Welcome to myrhythmdevice.org

The website for patients with implanted cardiac devices, their caregivers and families.

Get access to the information you need to make informed decisions when discussing the implant of a cardiac device with your physician, caregivers and family.

For patients and their caregivers and families

myrhythmdevice.org is a website specifically designed to offer patients and their caregivers and families information on cardiac devices.

The latest cardiac device information

Get access to up-to-date information on cardiac devices based on the latest Clinical Practice Guidelines from a neutral, trusted source.

Created by healthcare professionals, together with patients

Devised by healthcare professionals, the site combines medical information related to implant, follow-up and replacement procedures with tips for living with a cardiac device.

What is a cardiac device?

What is a cardiac device?

Cardiac devices are designed to help control or monitor irregular heartbeats in people with certain heart rhythm disorders and heart failure. There are many different conditions that can be treated using a cardiac device.


A pacemaker has two different functions. Firstly, it continuously observes the heart rhythm in order to detect abnormal rhythms (sensing). When heartbeats are too slow, the pacemaker stimulates the heart muscle by sending electrical signals which correct the slow heart rhythm (pacing). In other words, the pacemaker “senses” the heart rhythm continuously, but “paces” the heart only when needed.


An ICD is a device which can deliver therapies, being either shocks or high rate stimulations of the heart, for interrupting life-threatening ventricular arrhythmias. In addition, transvenous defibrillators have cardiac stimulation capabilities exactly the same as a pacemaker.

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