| CAO | chronic airway obstruction; coronary artery obstruction |
|---|---|
| SAO | small airway obstruction; splanchnic artery occlusion; subvalvular aortic obstruction |
| FBAO | foreign-body airway obstruction |
| PAO | peak acid output; peripheral airway obstruction; plasma amine oxidase; polyamine oxidase; pulmonary ... |
| UAO | upper airway obstruction |
| UAO | Upper Airway Obstruction |
|---|---|
| CAO | chronic airway obstruction |
| BUO | Bilateral ureteral obstruction |
| BOO | Bladder Outlet Obstruction |
| CRVO | Central retinal vein obstruction |
| airway obstruction | Any hindrance to the passage of air into and out of the lungs. (12 Dec 1998) |
|---|---|
| airway | 1. Any part of the respiratory tract through which air passes during breathing. 2. In anaesthesia or resuscitation, a device for correcting obstruction to breathing, especially an oropharyngeal and nasopharyngeal airway, endotracheal airway, or tracheotomy tube. (05 Mar 2000) |
| airway pattern | Chest radiographic appearance of thickened bronchial walls, bronchiectasis, bronchiolitis, or acinar consolidation. (05 Mar 2000) |
| airway resistance | The opposition of the tracheobronchial tree to air flow: the mouth-to-alveoli pressure difference divided by the air flow. (12 Dec 1998) |
| anatomical airway | The volume of the conducting airways from the external environment (at the nose and mouth) down to the level at which inspired gas exchanges oxygen and carbon dioxide with pulmonary capillary blood; formerly presumed to extend down to the beginning of alveolar epithelium in the respiratory bronchioles, but more recent evidence indicates that effective gas exchange extends some distance up the thicker-walled conducting airways because of rapid longitudinal mixing. Compare: alveolar dead space, physiologic dead space. Synonym: anatomical airway. (05 Mar 2000) |
| respiratory airway | That part of the airway where interchange of gases occurs; it includes respiratory bronchioles, alveolar ducts, sacs, and alveoli. (05 Mar 2000) |
| conducting airway | The airway from the nasal cavity to a terminal bronchiole. (05 Mar 2000) |
| continuous positive airway pressure | A technique of respiratory therapy, in either spontaneously breathing or mechanically ventilated patients, in which airway pressure is maintained above atmospheric pressure throughout the respiratory cycle by pressurization of the ventilatory circuit. (05 Mar 2000) |
| upper airway | The portion of the respiratory tract that extends from the nares or mouth to and including the larynx. (05 Mar 2000) |
| lower airway | The portion of the respiratory tract that extends from the subglottis to and including the terminal bronchioles. (05 Mar 2000) |
| adynamic ileus simulating bowel obstruction | <radiology> Chronic idiopathic intestinal pseudo-obstrction, pelvic surgery, urinary retention, pancreatitis, acute intermittent porphyria, ceroidosis, neonatal adynamic ileus (12 Dec 1998) |
| bile duct obstruction, extrahepatic | Impairment of bile flow through the hepatic, cystic, or common bile ducts or vater's ampulla. This is sometimes called surgical jaundice. (12 Dec 1998) |
| biliary obstruction | <gastroenterology, surgery> A blockage of the bile ducts can occur by a stone, tumour, pancreas (pancreatic tumour or swelling), bile duct inflammation, bile duct cysts, trauma, bile duct stricture or enlarged lymph nodes in the area. When bile duct obstruction occurs, bile accumulates in the liver and jaundice develops due to the accumulation of bilirubin in the bloodstream. (27 Sep 1997) |
| bladder outlet obstruction | Any condition that results in the failure of urine to pass from the bladder and out the urethra. One of the most common causes of this in males is benign prostate enlargement. (27 Sep 1997) |
| bowel obstruction | A blockage of the bowel lumen prohibiting the passage of material. Common symptoms include constipation, abdominal swelling and abdominal pain. Treatment includes intravenous fluids, rest, nasogastric suction and surgery in select cases. (27 Sep 1997) |
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