<prompt> Pulsus paradoxus is present in all exceptEmphysemaPulmonary embolismHypovolemic shockHyperophy cardiomyopathy  <response>: Ref Harrison 19 th ed pg 1553 Pulsus paradoxus is a sign that is indicative of several conditions, including cardiac tamponade, chronic sleep apnea, croup, and obstructive lung disease e.g. asthma, COPD 