| Lp | lipoprotein; sound pressure level |
|---|---|
| LSD | laryngeal sound discrimination; least significant difference; least significant digit; low-sodium di... |
| LSV | lateral sacral vein; left subclavian vein; longitudinal sound velocity |
| M1 | mitral first [sound]; myeloblast; slight dullness |
| P2 | pulmonic second sound |
| 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) |
| xiphisternal crunching sound | See: Hamman's sign. (05 Mar 2000) |
| hippocratic succussion sound | A splashing sound elicited by shaking a patient with hydro-or pyopneumothorax, the physician's ear being applied to the chest. (05 Mar 2000) |
| second heart sound | The second sound heard on auscultation of the heart; signifies the beginning of diastole and is due to closure of the semilunar valves. Synonym: second sound. (05 Mar 2000) |
| second sound | The second sound heard on auscultation of the heart; signifies the beginning of diastole and is due to closure of the semilunar valves. Synonym: second sound. (05 Mar 2000) |
| Simpson uterine sound | A slender flexible metal rod used to calibrate or dilate the cervical canal, or to hold the uterus in various positions during gynecologic surgery. (05 Mar 2000) |
| Sims uterine sound | A slender flexible sound with a small projection about 7 cm from its tip, used to estimate the size and caliber of the uterine cavity. (05 Mar 2000) |