![]() ![]() Sick Sinus Syndrome: When the sinus node sends our electrical impulses too slowly or irregularly.Symptoms of bradycardia may include dizziness, extreme fatigue, shortness of breath or fainting spells.īradycardia is most commonly caused by one or both or the following: The most common condition requiring a pacemaker is bradycardia a heart rate that is too slow for the body's demands. For more information, see Remote Monitor Service under Post-operative Care below. Most devices now have the ability to remotely transmit information directly to your cardiologist through our Remote Monitoring Service. If your pacing requirements change, this is easily attended to in your cardiologist's rooms without the need for further hospitalisation. Your pacemaker stores information about your heart's rhythm and is completely programmable. In many heart rhythm disturbances, your heart may beat normally part of the time and therefore your pacemaker will only work when required. walking, gardening, exercising) and will slow down accordingly with rest or sleep. It will increase with physical activity (i.e. The pacemakers' circuitry interprets these changes and increases or decreases the pacing rate to meet your body's demands. Pacemakers have a special sensor that detects changes in your exercise state. It is through this electrode that the pacemaker monitors (or senses) the heart's electrical activity and is able to send out electrical impulses when the heart needs them. These leads are connected to the pulse generator and are extremely flexible and able to withstand twisting and bending caused by normal body movement and heartbeats.Īt the tip of the lead is a metal electrode. Pacing leads are insulated wires through which the electrical impulses travel. The pacemaker has two basic parts: Pulse GeneratorĪ pulse generator contains the battery and circuitry, functioning like a mini computer by controlling the timing of electrical impulses sent to the heart. A pacemaker works by supporting the heart's natural rhythm and restores regular electrical impulses to your heart when required. ![]()
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