68 y.o. male presents via EMS in full cardiac arrest. This was a witnessed arrest per medics and the patient was in ventricular fibrillation on EMS arrival. After several minutes of ACLS the rhythm changed to a narrow QRS complex with a rate in the 50’s. Upon arrival to the ED one of the residents state they feel a faint pulse and they want to continue the resuscitation. You perform a bedside echo.
