Lancisi's sign
Encyclopedia
Lancisi's sign is a clinical sign
in which a large venous wave, or Giant V wave, is visible in the jugular vein
in patients with tricuspid regurgitation. It is caused by blood flowing backwards into the jugular vein through the incompetent tricuspid valve
during ventricular systole
.
The sign is named after Giovanni Maria Lancisi
.
Medical sign
A medical sign is an objective indication of some medical fact or characteristic that may be detected by a physician during a physical examination of a patient....
in which a large venous wave, or Giant V wave, is visible in the jugular vein
Jugular vein
The jugular veins are veins that bring deoxygenated blood from the head back to the heart via the superior vena cava.-Internal and external:There are two sets of jugular veins: external and internal....
in patients with tricuspid regurgitation. It is caused by blood flowing backwards into the jugular vein through the incompetent tricuspid valve
Tricuspid valve
The tricuspid valve, or right atrioventricular valve, is on the right dorsal side of the mammalian heart, between the right atrium and the right ventricle. The normal tricuspid valve usually has three leaflets and three papillary muscles. They are connected to the papillary muscles by the chordae...
during ventricular systole
Systole (medicine)
Systole is the contraction of the heart. Used alone, it usually means the contraction of the left ventricle.In all mammals, the heart has 4 chambers. The left and right ventricles pump together. The atria and ventricles pump in sequence...
.
The sign is named after Giovanni Maria Lancisi
Giovanni Maria Lancisi
Giovanni Maria Lancisi was an Italian physician, epidemiologist and anatomist who made a correlation between the presence of mosquitoes and the prevalence of malaria...
.