Carcinoid of heart involves?
Ans. (a) Valvular endocardium of right atrium(Ref: Robbins 9th/pg 562; Heart 2004; 90:1224-1228 doi: 10.1136/hrt.2004.040329)Carcinoid heart disease Q typically causes abnormalities of the right side of the heart. QPreferential right heart involvement Q is most likely related to inactivation of the vasoactive substances by the lungs QThe two key investigations for the diagnosis of carcinoid heart disease are 24 hour urinary excretion of 5-hydroxyindole acetic acid (5-HIAA) and transthoracic echocardiography.
Valvular endocardium of right atrium
Valvular endocardium of left atrium
Mural endocardium
Myocardium
C.V.S