The patient was instructed in implantable cardioverter defibrillator the moods and feelings when the device delivers a countershock, a blow, thump, or kick in the chest. The patient was advised that someone touching the patient will not feel the shock or will feel only a tingle. The patient was taught not to wear close-fitting, restrictive clothing like belts and girdles. The patient was reviewed to evade strong magnets and magnetic fields as a radio or TV transmitting towers, spark plugs or running motor like lawn mower or car, handheld airport detectors, microwave ovens, hair dryers.