| PW | peristaltic wave; plantar wart; posterior wall [of the heart]; pressure wave; psychological warfare;... |
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| RAP | recurrent abdominal pain; regression-associated protein; renal artery pressure; resident assessment ... |
| RVP | red veterinary petrolatum; resting venous pressure; right ventricular pressure |
| SAP | sensory action potential; serum acid phosphatase; serum alkaline phosphatase; serum amyloid P; situs... |
| SBP | schizobipolar; serotonin-binding protein; spontaneous bacterial peritonitis; steroid-binding plasma ... |
| leak point pressure | Storage pressure in bladder at which leakage occurs passively, usually in patients with neuropathic bladder. (05 Mar 2000) |
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| left atrial pressure | <radiology> 15-20 mm Hg redistribution 20-25 interstitial oedema 25-30 airspace oedema (12 Dec 1998) |
| lower body negative pressure | External decompression applied to the lower body. It is used to study orthostatic intolerance and the effects of gravitation and acceleration, to produce simulated haemorrhage in physiologic research, to assess cardiovascular function, and to reduce abdominal stress during childbirth. (12 Dec 1998) |
| low-pressure | Having, employing, or exerting, a low degree of pressure. Low-pressure steam engine, a steam engine in which low steam is used; often applied to a condensing engine even when steam at high pressure is used. See Steam engine. Source: Websters Dictionary (01 Mar 1998) |