<prompt> Becks triad is seen inConstrictive pericarditisRestrictive cardiomyopathyCardiac tamponadeHOCM  <response>: Components of Becks Triad Hypotension with a Narrowed Pulse Pressure Jugular Venous Distention Muffled hea Sounds it is a pathognomic feature of cardiac tamponade Ref Harrison 20th edition pg 1546 