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a low, steady, prolonged sound.
venous hum a continuous blowing, singing, or humming murmur heard on auscultation over the right jugular vein in the sitting or erect position; it is an innocent sign that is obliterated on assumption of the recumbent position or on exerting pressure over the vein.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
brief or continuous noise originating from the neck veins that may be confused with cardiac murmurs, particularly with the continuous murmur of patent ductus arteriosus.
Farlex Partner Medical Dictionary © Farlex 2012
venous humA low-pitched hum in the neck, caused by jugular vein turbulence, with an altered or more intense flow pattern, that mimics the machinery murmur of patent ductus arteriosus; VH may be abolished by light lateral neck pressure; it may be innocent or seen in hyperthyroidism. See Machinery murmur.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
ve·nous hum(vē'nŭs hŭm)
Brief or continuous noise originating from the neck veins that may be confused with cardiac murmurs, particularly with the continuous murmur of patent ductus arteriosus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012