Venus Hum

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ramyar Ghandriz MD[2]

Synonyms and keywords:Nun's murmur, Bruit de diable

Pathology

• Venous hum is a benign phenomena, which is caused by blood flow over jugular veins.
• At rest approximately 20% of Cardiac out put pass through internal carotid and vertebral bodies.
• It may result in a continuous humming noise.
• Typically it is heard in upper chest near clavicle.
• It can be differentiated from cardiac murmurs only by placing a finger on jugular vein which abolish or change the murmur however cardiac born murmurs will not change by this maneuver.
• the murmur is also position dependent and can change in intensity if the patient lies in supine form or turn their head to one side.

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