A63-year-old man with an automatic implanted cardioverter defibrillator (icd) receives a low energy shock to reestablish normal rhythm when sustained tachycardia or fibrillation is detected.

Ventricular

When a patient with an automatic implanted cardioverter defibrillator (icd) receives a low energy shock, it means that a ventricular tachycardia was detected. Here the patient experience a pulse of more than 100 beats per minute with at least three irregular heartbeats in a row, so a low energy shock is needed to re-establish normal heart rhythm.

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