<prompt> In JVP y descent is absent and X wave is prominent? Thiscsuggests:Restictive cardiomyopathyCardiac tamponadeConstrictive pericarditisRight Ventricular Failure  <response>: Ans. b Cardiac tamponadeRef.: Harrison 19th ed. 1573JVP FindingsJVP WavesFindingsConstrictive pericarditisFindingsCardiac tamponadeX waveProminentProminentY waveProminentAbsent 