Definition of perforation in English:

perforation

noun ˌpəːfəˈreɪʃnˌpərfəˈreɪʃ(ə)n

1A hole made by boring or piercing.
the perforations allow water to enter the well
小孔使得水能流进井里。
Example sentencesExamples
- The perforations allow light and view to pass through.
- The weight of the metal drum is sufficient to keep it at the depth required and the perforations allow the water to pass through the drum.
- Sometimes the result is a perforation - a hole in the eardrum - but this often heals by itself within two months.
- All had vivid memories of the bottles with cardboard tops and the perforation in the middle to be pushed open to allow for the straw.
- Or she runs them through her sewing machine, without using a needle, and the perforations that emerge give them a hand-made look.
- At the end of the day, the election workers put the cards into a sorter that counts the number of perforations for each candidate.
- They're not made to be touched by human hands and every time that we tug and we touched and we pulled one, what would happen is that you would end up with a perforation where there was none before.
- Such mating pairs are joined by a membrane, perforations in which allow exchange of cytoplasmic factors for several hours before any nuclear exchange.
- They look like a giant teabag with the leaves missing: a mass of stretchy, white tissue with thousands of perforations.
- The screen has millions of tiny perforations across it to allow sound to escape from speakers placed behind.
- The pipes have perforations so some drained water can leak back into the soil as it flows the length of the pipe into a stream.
- The light, which is inside the spire and shines though 12,000 perforations, is visible from many points around the city.
- In addition, many children suffer from poor eyesight, cuts and perforations on their hands and twisted fingers.
- Moreover, it has been observed that within this group the diameter of such perforations on the inner wall vary amongst species, thus allowing for the distinction of three separate subgroups.
- None of my other perforations had caused the loss of movement.
- In retrospect, I could have tried some montage of a tea packet with the skull and crossbones, or maybe picked something out from the perforations in a tea-bag.
- But we saw pictures earlier today through that glass window of the officials there holding up the cards one-by-one, trying to look through the perforations to see if they could see the light.
- Doctors also discovered a small perforation in her bowel, which led to severe complications, an inquest heard.
- They say that among the telltale signs found by FBI experts were a series of perfectly symmetrical round perforations in some of the stainless steel kitchen equipment in the dining hall.
- When a perforation in the moving roll uncovered a slot in the bar, suction would draw the air through the port, forcing the wooden finger down.
Synonyms
piercing, puncturing, puncture, riddling, stabbing, prick, pricking, probing, goring, spiking, sticking, impaling, impalement, transfixing, transfixion, boring, drilling, lancing, tapping
1. 1.1 A small hole or row of small holes punched in a sheet of paper, e.g. of postage stamps, so that a part can be torn off easily.
  齿孔，孔眼线
  memos are produced in a continuous strip divided by perforations so that the forms can be detached
  Example sentencesExamples
  You notice the thin vermilion perimeter of the crypt image, the slight shadow at the edges of each piece of paper, the delicacy of the perforations, the gently authoritative physicality of each of the forms.
  I have also attempted to make business cards but abandoned it on account of not being able to get them to print inside the perforations whatever way I put them in the printer.
  But you need not tear along perforations as with snapshots produced by competitors.
  Separate the ballot paper and the security form by tearing along the perforations.
  Many souvenir sheets have a single image with the image bled outside the perforations, making the whole sheet rather than just the stamp the collectible item.
  And I was appalled to read an article about how scientists had worked for years using geographical patterns in a toilet roll's perforations to make it softer than soft.
  Use the perforations on the form to separate the declaration of identity, the European voting form and the council voting form.
  Classical collectors are more interested in the technical details of the stamp, such as its perforation, paper, and details of design.
  The cracks form perpendicularly to the cooling surface (the top of the flow) unless there are elongated vesicles, which act like the perforations in postage stamps, bending the cracks round them.
  Carefully tear along perforations, separating the two ballot papers and the declaration of identity.
  Paper would come in boxes of paper that were all connected via top and bottom with perforations, and the sides of the paper had the tractor guides which could be removed via perforations.
  He compares this to the paper perforations which prevent tearing across a postage stamp.
  You're supposed to shoot around the star to make your own perforation - that's how you win.
  But the bank is incapable of producing cheque books that detach smoothly along the perforation.
  Synonyms
  hole, gap, aperture, space, orifice, vent, slot, window, crack, slit, gash, split, fissure, cleft, crevice, cut, incision, rent, cavity, cranny, groove, chink, eye, mouth
2. 1.2mass noun The action or state of perforating or being perforated.
  穿孔，打孔；穿透；穿入
  there was evidence of intestinal perforation
  有肠穿孔的迹象。
  Example sentencesExamples
  In 5 cases, there was gross and microscopic evidence of perforation.
  The liver, spleen, kidneys, and pancreas all looked normal, and no evidence of intestinal obstruction or perforation was detected.
  In adults, the unusual occurrence of retropharyngeal abscesses may be associated with perforation of the posterior wall by foreign bodies or instrumentation.
  Operations for complications such as strangulation or perforation, should they occur, are relatively straightforward and have a high success rate.
  The authors quote a 2.6% perforation rate for endoscopy.
  An inquest recorded a verdict of death by misadventure after hearing she died of acute peritonitis, caused by the perforation of her bowel during the operation.
  The most common organ to perforate in a newborn (aside from perforations caused by necrotizing enterocolitis) is spontaneous perforation of the stomach.
  Instead of the respiratory improvement, the patient died 15 days later of abdominal sepsis after intestinal perforation.
  The laparoscopic technique is favored among surgeons as safer overall, but inadvertent perforations do occur.
  In addition, although airway perforation can be a serious complication of laser therapy in a normal host, it may be devastating in the immunocompromised patient.
  Plain-film abdominal radiographs are most useful when intestinal obstruction or perforation of a viscus in the abdomen is a concern.
  It usually allows rapid diagnosis of tympanic membrane perforations.
  These complications may be minimized by passing all arthroscopic instruments through sturdy metallic sheaths to prevent multiple attempts at hip joint penetrance and perforations of the hip capsule.
  The overall rate of oesophageal perforation after flexible endoscopy involving oesophageal instrumentation, biopsy, or dilatation is 2.6%.
  There has been a single report of esophageal perforation with this procedure for the last 30 years.
  This seizure was followed by perforation of his large bowel and a subsequent fatal arrhythmia.
  A polymicrobial culture raises the suspicion for intestinal perforation or abscess formation.
  Gastrointestinal perforation is a possible side effect of using this drug.
  The most serious side effects include gastrointestinal bleeding and perforation, renal dysfunction, and platelet dysfunction.
  The authors report a case of esophageal perforation after sequential double-lung transplantation for bronchiectasis.

Origin

Late Middle English: from medieval Latin perforatio(n-), from the verb perforare (see perforate).

Definition of perforation in US English:

perforation

nounˌpərfəˈreɪʃ(ə)nˌpərfəˈrāSH(ə)n

1A hole made by boring or piercing; an aperture passing through or into something.
孔，孔眼
the perforations allow water to enter the well
小孔使得水能流进井里。
Example sentencesExamples
- The pipes have perforations so some drained water can leak back into the soil as it flows the length of the pipe into a stream.
- Such mating pairs are joined by a membrane, perforations in which allow exchange of cytoplasmic factors for several hours before any nuclear exchange.
- They're not made to be touched by human hands and every time that we tug and we touched and we pulled one, what would happen is that you would end up with a perforation where there was none before.
- All had vivid memories of the bottles with cardboard tops and the perforation in the middle to be pushed open to allow for the straw.
- The screen has millions of tiny perforations across it to allow sound to escape from speakers placed behind.
- The weight of the metal drum is sufficient to keep it at the depth required and the perforations allow the water to pass through the drum.
- But we saw pictures earlier today through that glass window of the officials there holding up the cards one-by-one, trying to look through the perforations to see if they could see the light.
- They look like a giant teabag with the leaves missing: a mass of stretchy, white tissue with thousands of perforations.
- Moreover, it has been observed that within this group the diameter of such perforations on the inner wall vary amongst species, thus allowing for the distinction of three separate subgroups.
- In addition, many children suffer from poor eyesight, cuts and perforations on their hands and twisted fingers.
- They say that among the telltale signs found by FBI experts were a series of perfectly symmetrical round perforations in some of the stainless steel kitchen equipment in the dining hall.
- When a perforation in the moving roll uncovered a slot in the bar, suction would draw the air through the port, forcing the wooden finger down.
- Doctors also discovered a small perforation in her bowel, which led to severe complications, an inquest heard.
- In retrospect, I could have tried some montage of a tea packet with the skull and crossbones, or maybe picked something out from the perforations in a tea-bag.
- Sometimes the result is a perforation - a hole in the eardrum - but this often heals by itself within two months.
- Or she runs them through her sewing machine, without using a needle, and the perforations that emerge give them a hand-made look.
- At the end of the day, the election workers put the cards into a sorter that counts the number of perforations for each candidate.
- The light, which is inside the spire and shines though 12,000 perforations, is visible from many points around the city.
- None of my other perforations had caused the loss of movement.
- The perforations allow light and view to pass through.
Synonyms
piercing, puncturing, puncture, riddling, stabbing, prick, pricking, probing, goring, spiking, sticking, impaling, impalement, transfixing, transfixion, boring, drilling, lancing, tapping
1. 1.1 A small hole or row of small holes punched in a sheet of paper, e.g. of postage stamps, so that a part can be torn off easily.
  齿孔，孔眼线
  Example sentencesExamples
  The cracks form perpendicularly to the cooling surface (the top of the flow) unless there are elongated vesicles, which act like the perforations in postage stamps, bending the cracks round them.
  You're supposed to shoot around the star to make your own perforation - that's how you win.
  I have also attempted to make business cards but abandoned it on account of not being able to get them to print inside the perforations whatever way I put them in the printer.
  Classical collectors are more interested in the technical details of the stamp, such as its perforation, paper, and details of design.
  Carefully tear along perforations, separating the two ballot papers and the declaration of identity.
  But the bank is incapable of producing cheque books that detach smoothly along the perforation.
  But you need not tear along perforations as with snapshots produced by competitors.
  Paper would come in boxes of paper that were all connected via top and bottom with perforations, and the sides of the paper had the tractor guides which could be removed via perforations.
  He compares this to the paper perforations which prevent tearing across a postage stamp.
  And I was appalled to read an article about how scientists had worked for years using geographical patterns in a toilet roll's perforations to make it softer than soft.
  Separate the ballot paper and the security form by tearing along the perforations.
  Many souvenir sheets have a single image with the image bled outside the perforations, making the whole sheet rather than just the stamp the collectible item.
  Use the perforations on the form to separate the declaration of identity, the European voting form and the council voting form.
  You notice the thin vermilion perimeter of the crypt image, the slight shadow at the edges of each piece of paper, the delicacy of the perforations, the gently authoritative physicality of each of the forms.
  Synonyms
  hole, gap, aperture, space, orifice, vent, slot, window, crack, slit, gash, split, fissure, cleft, crevice, cut, incision, rent, cavity, cranny, groove, chink, eye, mouth
2. 1.2 The action or state of perforating or being perforated.
  穿孔，打孔；穿透；穿入
  there was evidence of intestinal perforation
  有肠穿孔的迹象。
  Example sentencesExamples
  The liver, spleen, kidneys, and pancreas all looked normal, and no evidence of intestinal obstruction or perforation was detected.
  In 5 cases, there was gross and microscopic evidence of perforation.
  Gastrointestinal perforation is a possible side effect of using this drug.
  The authors report a case of esophageal perforation after sequential double-lung transplantation for bronchiectasis.
  The most common organ to perforate in a newborn (aside from perforations caused by necrotizing enterocolitis) is spontaneous perforation of the stomach.
  In adults, the unusual occurrence of retropharyngeal abscesses may be associated with perforation of the posterior wall by foreign bodies or instrumentation.
  These complications may be minimized by passing all arthroscopic instruments through sturdy metallic sheaths to prevent multiple attempts at hip joint penetrance and perforations of the hip capsule.
  A polymicrobial culture raises the suspicion for intestinal perforation or abscess formation.
  Plain-film abdominal radiographs are most useful when intestinal obstruction or perforation of a viscus in the abdomen is a concern.
  The laparoscopic technique is favored among surgeons as safer overall, but inadvertent perforations do occur.
  Instead of the respiratory improvement, the patient died 15 days later of abdominal sepsis after intestinal perforation.
  In addition, although airway perforation can be a serious complication of laser therapy in a normal host, it may be devastating in the immunocompromised patient.
  The most serious side effects include gastrointestinal bleeding and perforation, renal dysfunction, and platelet dysfunction.
  This seizure was followed by perforation of his large bowel and a subsequent fatal arrhythmia.
  It usually allows rapid diagnosis of tympanic membrane perforations.
  The authors quote a 2.6% perforation rate for endoscopy.
  An inquest recorded a verdict of death by misadventure after hearing she died of acute peritonitis, caused by the perforation of her bowel during the operation.
  The overall rate of oesophageal perforation after flexible endoscopy involving oesophageal instrumentation, biopsy, or dilatation is 2.6%.
  Operations for complications such as strangulation or perforation, should they occur, are relatively straightforward and have a high success rate.
  There has been a single report of esophageal perforation with this procedure for the last 30 years.

Origin

Late Middle English: from medieval Latin perforatio(n-), from the verb perforare (see perforate).

词汇	perforation
释义	Definition of perforation in English: perforation noun ˌpəːfəˈreɪʃnˌpərfəˈreɪʃ(ə)n 1A hole made by boring or piercing. the perforations allow water to enter the well 小孔使得水能流进井里。 Example sentencesExamples The perforations allow light and view to pass through. The weight of the metal drum is sufficient to keep it at the depth required and the perforations allow the water to pass through the drum. Sometimes the result is a perforation - a hole in the eardrum - but this often heals by itself within two months. All had vivid memories of the bottles with cardboard tops and the perforation in the middle to be pushed open to allow for the straw. Or she runs them through her sewing machine, without using a needle, and the perforations that emerge give them a hand-made look. At the end of the day, the election workers put the cards into a sorter that counts the number of perforations for each candidate. They're not made to be touched by human hands and every time that we tug and we touched and we pulled one, what would happen is that you would end up with a perforation where there was none before. Such mating pairs are joined by a membrane, perforations in which allow exchange of cytoplasmic factors for several hours before any nuclear exchange. They look like a giant teabag with the leaves missing: a mass of stretchy, white tissue with thousands of perforations. The screen has millions of tiny perforations across it to allow sound to escape from speakers placed behind. The pipes have perforations so some drained water can leak back into the soil as it flows the length of the pipe into a stream. The light, which is inside the spire and shines though 12,000 perforations, is visible from many points around the city. In addition, many children suffer from poor eyesight, cuts and perforations on their hands and twisted fingers. Moreover, it has been observed that within this group the diameter of such perforations on the inner wall vary amongst species, thus allowing for the distinction of three separate subgroups. None of my other perforations had caused the loss of movement. In retrospect, I could have tried some montage of a tea packet with the skull and crossbones, or maybe picked something out from the perforations in a tea-bag. But we saw pictures earlier today through that glass window of the officials there holding up the cards one-by-one, trying to look through the perforations to see if they could see the light. Doctors also discovered a small perforation in her bowel, which led to severe complications, an inquest heard. They say that among the telltale signs found by FBI experts were a series of perfectly symmetrical round perforations in some of the stainless steel kitchen equipment in the dining hall. When a perforation in the moving roll uncovered a slot in the bar, suction would draw the air through the port, forcing the wooden finger down. Synonyms piercing, puncturing, puncture, riddling, stabbing, prick, pricking, probing, goring, spiking, sticking, impaling, impalement, transfixing, transfixion, boring, drilling, lancing, tapping 1.1 A small hole or row of small holes punched in a sheet of paper, e.g. of postage stamps, so that a part can be torn off easily. 齿孔，孔眼线 memos are produced in a continuous strip divided by perforations so that the forms can be detached Example sentencesExamples You notice the thin vermilion perimeter of the crypt image, the slight shadow at the edges of each piece of paper, the delicacy of the perforations, the gently authoritative physicality of each of the forms. I have also attempted to make business cards but abandoned it on account of not being able to get them to print inside the perforations whatever way I put them in the printer. But you need not tear along perforations as with snapshots produced by competitors. Separate the ballot paper and the security form by tearing along the perforations. Many souvenir sheets have a single image with the image bled outside the perforations, making the whole sheet rather than just the stamp the collectible item. And I was appalled to read an article about how scientists had worked for years using geographical patterns in a toilet roll's perforations to make it softer than soft. Use the perforations on the form to separate the declaration of identity, the European voting form and the council voting form. Classical collectors are more interested in the technical details of the stamp, such as its perforation, paper, and details of design. The cracks form perpendicularly to the cooling surface (the top of the flow) unless there are elongated vesicles, which act like the perforations in postage stamps, bending the cracks round them. Carefully tear along perforations, separating the two ballot papers and the declaration of identity. Paper would come in boxes of paper that were all connected via top and bottom with perforations, and the sides of the paper had the tractor guides which could be removed via perforations. He compares this to the paper perforations which prevent tearing across a postage stamp. You're supposed to shoot around the star to make your own perforation - that's how you win. But the bank is incapable of producing cheque books that detach smoothly along the perforation. Synonyms hole, gap, aperture, space, orifice, vent, slot, window, crack, slit, gash, split, fissure, cleft, crevice, cut, incision, rent, cavity, cranny, groove, chink, eye, mouth 1.2mass noun The action or state of perforating or being perforated. 穿孔，打孔；穿透；穿入 there was evidence of intestinal perforation 有肠穿孔的迹象。 Example sentencesExamples In 5 cases, there was gross and microscopic evidence of perforation. The liver, spleen, kidneys, and pancreas all looked normal, and no evidence of intestinal obstruction or perforation was detected. In adults, the unusual occurrence of retropharyngeal abscesses may be associated with perforation of the posterior wall by foreign bodies or instrumentation. Operations for complications such as strangulation or perforation, should they occur, are relatively straightforward and have a high success rate. The authors quote a 2.6% perforation rate for endoscopy. An inquest recorded a verdict of death by misadventure after hearing she died of acute peritonitis, caused by the perforation of her bowel during the operation. The most common organ to perforate in a newborn (aside from perforations caused by necrotizing enterocolitis) is spontaneous perforation of the stomach. Instead of the respiratory improvement, the patient died 15 days later of abdominal sepsis after intestinal perforation. The laparoscopic technique is favored among surgeons as safer overall, but inadvertent perforations do occur. In addition, although airway perforation can be a serious complication of laser therapy in a normal host, it may be devastating in the immunocompromised patient. Plain-film abdominal radiographs are most useful when intestinal obstruction or perforation of a viscus in the abdomen is a concern. It usually allows rapid diagnosis of tympanic membrane perforations. These complications may be minimized by passing all arthroscopic instruments through sturdy metallic sheaths to prevent multiple attempts at hip joint penetrance and perforations of the hip capsule. The overall rate of oesophageal perforation after flexible endoscopy involving oesophageal instrumentation, biopsy, or dilatation is 2.6%. There has been a single report of esophageal perforation with this procedure for the last 30 years. This seizure was followed by perforation of his large bowel and a subsequent fatal arrhythmia. A polymicrobial culture raises the suspicion for intestinal perforation or abscess formation. Gastrointestinal perforation is a possible side effect of using this drug. The most serious side effects include gastrointestinal bleeding and perforation, renal dysfunction, and platelet dysfunction. The authors report a case of esophageal perforation after sequential double-lung transplantation for bronchiectasis. Origin Late Middle English: from medieval Latin perforatio(n-), from the verb perforare (see perforate). Definition of perforation in US English: perforation nounˌpərfəˈreɪʃ(ə)nˌpərfəˈrāSH(ə)n 1A hole made by boring or piercing; an aperture passing through or into something. 孔，孔眼 the perforations allow water to enter the well 小孔使得水能流进井里。 Example sentencesExamples The pipes have perforations so some drained water can leak back into the soil as it flows the length of the pipe into a stream. Such mating pairs are joined by a membrane, perforations in which allow exchange of cytoplasmic factors for several hours before any nuclear exchange. They're not made to be touched by human hands and every time that we tug and we touched and we pulled one, what would happen is that you would end up with a perforation where there was none before. All had vivid memories of the bottles with cardboard tops and the perforation in the middle to be pushed open to allow for the straw. The screen has millions of tiny perforations across it to allow sound to escape from speakers placed behind. The weight of the metal drum is sufficient to keep it at the depth required and the perforations allow the water to pass through the drum. But we saw pictures earlier today through that glass window of the officials there holding up the cards one-by-one, trying to look through the perforations to see if they could see the light. They look like a giant teabag with the leaves missing: a mass of stretchy, white tissue with thousands of perforations. Moreover, it has been observed that within this group the diameter of such perforations on the inner wall vary amongst species, thus allowing for the distinction of three separate subgroups. In addition, many children suffer from poor eyesight, cuts and perforations on their hands and twisted fingers. They say that among the telltale signs found by FBI experts were a series of perfectly symmetrical round perforations in some of the stainless steel kitchen equipment in the dining hall. When a perforation in the moving roll uncovered a slot in the bar, suction would draw the air through the port, forcing the wooden finger down. Doctors also discovered a small perforation in her bowel, which led to severe complications, an inquest heard. In retrospect, I could have tried some montage of a tea packet with the skull and crossbones, or maybe picked something out from the perforations in a tea-bag. Sometimes the result is a perforation - a hole in the eardrum - but this often heals by itself within two months. Or she runs them through her sewing machine, without using a needle, and the perforations that emerge give them a hand-made look. At the end of the day, the election workers put the cards into a sorter that counts the number of perforations for each candidate. The light, which is inside the spire and shines though 12,000 perforations, is visible from many points around the city. None of my other perforations had caused the loss of movement. The perforations allow light and view to pass through. Synonyms piercing, puncturing, puncture, riddling, stabbing, prick, pricking, probing, goring, spiking, sticking, impaling, impalement, transfixing, transfixion, boring, drilling, lancing, tapping 1.1 A small hole or row of small holes punched in a sheet of paper, e.g. of postage stamps, so that a part can be torn off easily. 齿孔，孔眼线 Example sentencesExamples The cracks form perpendicularly to the cooling surface (the top of the flow) unless there are elongated vesicles, which act like the perforations in postage stamps, bending the cracks round them. You're supposed to shoot around the star to make your own perforation - that's how you win. I have also attempted to make business cards but abandoned it on account of not being able to get them to print inside the perforations whatever way I put them in the printer. Classical collectors are more interested in the technical details of the stamp, such as its perforation, paper, and details of design. Carefully tear along perforations, separating the two ballot papers and the declaration of identity. But the bank is incapable of producing cheque books that detach smoothly along the perforation. But you need not tear along perforations as with snapshots produced by competitors. Paper would come in boxes of paper that were all connected via top and bottom with perforations, and the sides of the paper had the tractor guides which could be removed via perforations. He compares this to the paper perforations which prevent tearing across a postage stamp. And I was appalled to read an article about how scientists had worked for years using geographical patterns in a toilet roll's perforations to make it softer than soft. Separate the ballot paper and the security form by tearing along the perforations. Many souvenir sheets have a single image with the image bled outside the perforations, making the whole sheet rather than just the stamp the collectible item. Use the perforations on the form to separate the declaration of identity, the European voting form and the council voting form. You notice the thin vermilion perimeter of the crypt image, the slight shadow at the edges of each piece of paper, the delicacy of the perforations, the gently authoritative physicality of each of the forms. Synonyms hole, gap, aperture, space, orifice, vent, slot, window, crack, slit, gash, split, fissure, cleft, crevice, cut, incision, rent, cavity, cranny, groove, chink, eye, mouth 1.2 The action or state of perforating or being perforated. 穿孔，打孔；穿透；穿入 there was evidence of intestinal perforation 有肠穿孔的迹象。 Example sentencesExamples The liver, spleen, kidneys, and pancreas all looked normal, and no evidence of intestinal obstruction or perforation was detected. In 5 cases, there was gross and microscopic evidence of perforation. Gastrointestinal perforation is a possible side effect of using this drug. The authors report a case of esophageal perforation after sequential double-lung transplantation for bronchiectasis. The most common organ to perforate in a newborn (aside from perforations caused by necrotizing enterocolitis) is spontaneous perforation of the stomach. In adults, the unusual occurrence of retropharyngeal abscesses may be associated with perforation of the posterior wall by foreign bodies or instrumentation. These complications may be minimized by passing all arthroscopic instruments through sturdy metallic sheaths to prevent multiple attempts at hip joint penetrance and perforations of the hip capsule. A polymicrobial culture raises the suspicion for intestinal perforation or abscess formation. Plain-film abdominal radiographs are most useful when intestinal obstruction or perforation of a viscus in the abdomen is a concern. The laparoscopic technique is favored among surgeons as safer overall, but inadvertent perforations do occur. Instead of the respiratory improvement, the patient died 15 days later of abdominal sepsis after intestinal perforation. In addition, although airway perforation can be a serious complication of laser therapy in a normal host, it may be devastating in the immunocompromised patient. The most serious side effects include gastrointestinal bleeding and perforation, renal dysfunction, and platelet dysfunction. This seizure was followed by perforation of his large bowel and a subsequent fatal arrhythmia. It usually allows rapid diagnosis of tympanic membrane perforations. The authors quote a 2.6% perforation rate for endoscopy. An inquest recorded a verdict of death by misadventure after hearing she died of acute peritonitis, caused by the perforation of her bowel during the operation. The overall rate of oesophageal perforation after flexible endoscopy involving oesophageal instrumentation, biopsy, or dilatation is 2.6%. Operations for complications such as strangulation or perforation, should they occur, are relatively straightforward and have a high success rate. There has been a single report of esophageal perforation with this procedure for the last 30 years. Origin Late Middle English: from medieval Latin perforatio(n-), from the verb perforare (see perforate).
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