A Patient Who Is a Candidate for an Implantable Cardioverter

A patient who is a candidate for an implantable cardioverter defibrillator (ICD) asks the nurse about the purpose of this device. What would be the nurses best response?

A) To detect and treat dysrhythmias such as ventricular fibrillation and ventricular tachycardia
B) To detect and treat bradycardia, which is an excessively slow heart rate
C) To detect and treat atrial fibrillation, in which your heart beats too quickly and inefficiently
D) To shock your heart if you have a heart attack at home