SYSTOLIC AORTIC REGURGITATION DURING VENOARTERIAL ECMO SUPPORT. CICU CHALLENGE 002. (+)

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 Male 55yo, familial DCM, with ICD. Admitted to ER with arrhytmic storm and shock. #ECMO  iniciated. 3h later, arterial line without pulsatility. TOE performed. 

¿How can this systolic AR be explained?

Fig: Systolic aortic regurgitation 

Expanded and detailed answer in this video: 

Tags: systole, systolic, aortic regurgitation, insufficiency, ecmo, venoarterial ecmo, va-ecmo, arrhythmic storm, defibrillator, pulsatility, ecocardiography, dynamics, left ventricle, LV, aorta, diastole, pressure.