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Uptodate Reference Title
Mechanism of pulsus paradoxus
Mechanism of pulsus paradoxus
Intracardiac pressure tracings from a patient who developed cardiac tamponade. During inspiration (thick yellow arrows), the pulmonary capillary wedge pressure (blue) drops below the left ventricle (LV) diastolic pressure (yellow), leading to underfilling of the LV and acute drop in LV stroke volume (thin yellow arrows) causing pulsus paradoxus.