Jugular venous valves and physical signs.
The presence of venous valves in the internal jugular and subclavian veins at the thoracic inlet has been well documented. Their presence helps explain several physical signs and hemodynamic findings. This lost page in the history of medicine should be returned to the book.
D000328:Adult; D001314:Auscultation; D002496:Central Venous Pressure; D002648:Child; D006439:Hemodynamics; D006801:Humans; D007601:Jugular Veins / Q000033:anatomy & histology* / Q000502:physiology; D014262:Tricuspid Valve Insufficiency / Q000175:diagnosis; D014264:Tricuspid Valve Stenosis / Q000175:diagnosis