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Implantable cardioverter-defibrillators (ICDs)

An implantable cardioverter-defibrillator (ICD) - a pager-sized device that's implanted into your chest - may reduce your risk of dying if the lower chambers of your heart (ventricles) go into a dangerous rhythm and stop beating effectively (cardiac arrest). You may need an implantable cardioverter-defibrillator if you have a dangerously fast heartbeat (ventricular tachycardia) or a chaotic heartbeat that makes it so your heart can't supply enough blood to the rest of your body (ventricular fibrillation).Implantable cardioverter-defibrillators work by detecting and stopping abnormal heartbeats (arrhythmias). An implantable cardioverter-defibrillator continuously monitors your heartbeat and delivers extra beats or electrical shocks to restore a normal heart rhythm when necessary. An ICD differs from a pacemaker - another implantable device sometimes used to treat less dangerous heart rhythms, such as those that occur in the upper chambers of your heart (atria).

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  • Cardiac ablation

  • Cardiac catheterization

  • Cardioversion

  • Chelation therapy for heart disease

  • Cholesterol test

  • Coronary angiogram

  • Coronary angioplasty and stents

  • CT coronary angiogram

  • Echocardiogram

  • Electrocardiogram (ECG or EKG)

  • Holter monitor

  • Nuclear stress test

  • Pacemaker

  • Stress test

  • Tilt table test

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