Venous
31Venous catheter, central — A catheter (a tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central venous catheters have a diversity of uses.… …
32Venous lake — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 31384 ICD10 = ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj = derm eMedicineTopic = 451 MeshID = A venous lake is an asymptomatic, generally solitary, soft, compressible, dark blue to… …
33venous insufficiency — inadequacy of the venous valves and impairment of venous return from the lower limbs (venous stasis), usually characterized by edema, warmth, and erythema, particularly of the lower third of the extremity; chronic insufficiency leads to stasis… …
34Venous hum — Hum Hum, n. 1. A low monotonous noise, as of bees in flight, of a swiftly revolving top, of a wheel, or the like; a drone; a buzz. [1913 Webster] The shard borne beetle with his drowsy hums. Shak. [1913 Webster] 2. Any inarticulate and buzzing… …
35venous filling index — a measure of the rate of refilling of the veins, usually in the legs, expressed in milliliters per second; calculated by dividing 0.9 of the functional venous volume by the time needed to go from minimum volume (after patient has been supine with …
36venous occlusion — the blocking of venous return; it occurs naturally in the penis during an erection or it may be induced artificially in a part such as in the arm during venous occlusion plethysmography …
37venous stasis — cessation or impairment of venous flow, such as with venous insufficiency; see also stasis ulcer, under ulcer. Called also phlebostasis and venostasis …
38Venous catheterization — The insertion of a tiny tube (a catheter) into a peripheral or central vein to deliver fluids or medication. This is the most frequently used method for the administration of intravenous (IV) fluids and IV meds (medications). The most common… …
39venous claudication — intermittent claudication caused by venous stasis …
40venous return curve — a graphic representation of venous return as a function of atrial pressure; it measures the contributions of peripheral factors that affect the flow of blood from the veins to the heart. Multiple curves generated under varying conditions are… …
