Carvallo's sign representing a Diastolic Murmur that increases on inspiration is seen in
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.
Tricuspid stenosis
Tricuspid regurgitation
Mitral stenosis
Aoic regurgitation
C.V.S