1/4/2024 0 Comments Instal Heart Box free![]() ![]() An ICD delivers an electrical shock to the heart during a life threatening heart rhythm. Implantable Cardioverter Defibrillator (ICD)Īn implantable cardioverter defibrillator (ICD) is a device similar to a pacemaker. cardiac arrest – when the heart stops pumping blood around your body.heart block – when your heart beats irregularly because the electrical signals that control your heartbeat are not transmitted properly.damage to part of the electrical circuit called the sinus node – which can cause an abnormally slow heartbeat (bradycardia), an abnormally fast heartbeat (supraventricular tachycardia), or sometimes a combination of both.These signals can become disrupted for several reasons, which can lead to a number of potentially dangerous heart conditions, such as: The heart is essentially a pump, made of muscle, which is controlled by electrical signals. Doctors describe this as rate responsive. This allows them to speed up the discharge rate when you are active. Most pacemakers have a special sensor that recognises body movement or your breathing rate. ![]() If the pacemaker senses that your heart has missed a beat or is beating too slowly, it sends signals at a steady rate. If it senses that your heart is beating normally by itself, it does not send out any signals. This means that they can be programmed to adjust the discharge rate in response to your body's needs. The rate at which these electrical pulses are sent out is called the discharge rate.Īlmost all modern pacemakers work on demand.
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