This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
Carvallo's sign representing a Diastolic Murmur that increases on inspiration is seen in 
Select and explain. 
A. Tricuspid stenosis, B. Tricuspid regurgitation, C. Mitral stenosis, D. Aoic regurgitation
A: Tricuspid stenosis
Answer: A: Tricuspid stenosis 
Explanation: Ref Harrison 19 th ed pg 1548 prominent RV pulsation along the left parasternal region and a blowing holosystolic murmur along the lower left sternal margin, which may be intensified during inspiration (Carvallo's sign) and reduced during expiration or the strain phase of the Valsalva maneuver, are characteristic findings.