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What are the three types of ICD therapy pulses?

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Low-energy pacing therapy. These are minor and usually for slight arrhythmias. They’re usually painless or may feel like fluttering in your chest.

Cardioversion therapy. These high-energy pulses are for slightly more irregular heart beat problems. They may feel like someone is thumping your chest.

Defibrillation therapy. The strongest kind of high-energy pulses are for very serious rhythm problems with your heart. If your ICD starts defibrillation therapy, you may feel severe chest pain.

SOURCES:

National Heart, Lung, and Blood Institute: “What Is an Implantable Cardioverter Defibrillator?”

Mayo Clinic: “Implantable cardioverter-defibrillators (ICDs)”

University of Iowa Hospitals & Clinics: “Pacemakers and Defibrillators: Frequently Asked Questions”

Reviewed by James Beckerman on March 2, 2019

SOURCES:

National Heart, Lung, and Blood Institute: “What Is an Implantable Cardioverter Defibrillator?”

Mayo Clinic: “Implantable cardioverter-defibrillators (ICDs)”

University of Iowa Hospitals & Clinics: “Pacemakers and Defibrillators: Frequently Asked Questions”

Reviewed by James Beckerman on March 2, 2019

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How quickly can an ICD work?

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