Is the tricuspid component of S1 (T1) audible at the apex?
No. It is only audible over the lower left sternal border (LLSB). T1, however, may become audible at the apex in case of (1) thickening of the tricuspid valve leaflets (i.e., early tricuspid stenosis) or (2) right ventricular pressure overload (such as pulmonary hypertension or atrial septal defect).
No. It is only audible over the lower left sternal border (LLSB). T1, however, may become audible at the apex in case of (1) thickening of the tricuspid valve leaflets (i.e., early tricuspid stenosis) or (2) right ventricular pressure overload (such as pulmonary hypertension or atrial septal defect).