<prompt> KussmauPs sign is a feature of pericarditis with which of the following?Cardiac tamponadeConstrictive pericarditisRestrictive cardiomyopathyPericardial effusion  <response>: Ans. b Constrictive pericarditis. Ref. Harrison, Medicine, 18thCh. 239CONSTRICTIVE PERICARDITIS THICK, CALCIFIED PERICARDIUM Prominent X and Y descent Freidrichs sign prominent Y descent Kussmauls sign Low voltage ECG Electrical alternans Small RV size Absent pulsus paradoxus 