| A1 | aortic first sound |
|---|---|
| A2 | aortic second sound |
| A2-OS | aortic second sound, opening snap |
| ACS | acrocallosal syndrome; acrocephalosyndactyly; acute chest syndrome; acute confusional state; Alcon C... |
| AES | acetone-extracted serum; American Electroencephalographic Society; American Encephalographic Society... |
| respiratory sound | A murmur, bruit, fremitus, rhonchus, or rale heard on auscultation over the lungs or any part of the respiratory tract. (05 Mar 2000) |
|---|---|
| percussion sound | Any sound elicited on percussing over one of the cavities of the body. (05 Mar 2000) |
| pericardial friction sound | A to-and-fro grating, rasping, or, rarely, creaking sound heard over the heart in some cases of pericarditis, due to rubbing of the inflamed pericardial surfaces as the heart contracts and relaxes; during normal sinus rhythm it is usually triphasic; during any rhythm it may be biphasic or uniphasic. Synonym: pericardial rub, pericardial friction rub. (05 Mar 2000) |
| Mercier's sound | A catheter the beak of which is short and bent almost at a right angle. (05 Mar 2000) |
| coconut sound | A sound like that produced when a cracked coconut is tapped; it is elicited by percussing the skull of a patient with osteitis deformans. (05 Mar 2000) |
| waterwheel sound | Sound made by cardiac motion inducing splashes in the presence of fluid and air within the pericardial sac. (05 Mar 2000) |
| water-whistle sound | A bubbling whistle heard on auscultation over a bronchial or pulmonary fistula. (05 Mar 2000) |
| pistol-shot femoral sound | A shotlike systolic sound heard over the femoral artery in high output states, especially aortic insufficiency; presumably due to sudden stretching of the elastic wall of the artery; pistol-shot sounds may also be heard over other relatively large arteries, e.g., brachial, radial. (05 Mar 2000) |
| pistol-shot sound | Sound created by lightly compressing an artery during aortic regurgitation; sometimes is audible without compression. (05 Mar 2000) |
| Winternitz' sound | A double-current catheter in which water at any desired temperature circulates. (05 Mar 2000) |
| muscle sound | A fine murmur heard on auscultation over the belly of a contracting muscle. (05 Mar 2000) |
| cracked-pot sound | A peculiar sound, resembling that heard on striking a cracked pot, elicited on percussing over a pulmonary cavity that commmunicates with a bronchial tube, when the patient's mouth is open. Synonym: cracked-pot sound. (05 Mar 2000) |
| posttussis suction sound | A sound produced by the falling back of a drop of mucus or pus into a pulmonary cavity after the latter has been emptied by coughing. (05 Mar 2000) |
| sail sound | A sound, likened to the snapping of a sail; the abnormal first heart sound in some patients with Ebstein's anomaly. (05 Mar 2000) |
| Santini's booming sound | A sonorous booming sound heard on auscultatory percussion of a hydatid cyst. (05 Mar 2000) |