Abnormal pulse Pulsus paradoxus 2023-12-28T15:12:28Z Pulsus paradoxus refers to a systolic pressure drop greater than 10mmHg during inspiration. Paradoxical pulse Pulsus paradoxus results from alterations in the mechanical forces imposed on the chambers of the heart and pulmonary vasculature and is often due to pericardial disease, particularly cardiac tamponade and to a lesser degree constrictive pericarditis. Paradoxical pulse volume Kussmaul pulse