If your heart rate is still irregular after getting a pacemaker, you may need medications or a catheter-based procedure called cardiac ablation to correct or control it. This type of pacemaker stimulates both lower heart chambers (the right and left ventricles) to make the heart beat more efficiently. Biventricular pacing, also called cardiac resynchronization therapy, is for people who have heart failure and heartbeat problems. Most people with sick sinus syndrome benefit from dual-chamber pacemakers. This type paces the right lower heart chamber (ventricle) and the right upper heart chamber (atrium) separately. This type usually carries electrical signals to the right lower heart chamber (ventricle) of the heart. The type of pacemaker you need depends on the type of irregular heart rhythm you have. If sick sinus syndrome symptoms are mild or infrequent, the decision to use a pacemaker will depend on the results of electrocardiograms (ECGs), your overall health and the risk of more-serious problems. The pacemaker stimulates (paces) the heart as needed to keep it beating regularly. A pacemaker is a small, battery-powered device that's implanted under the skin near the collarbone during a minor surgical procedure. Most people with sick sinus syndrome eventually need a permanent device to control the heart rhythm (pacemaker). It's used for continuous, long-term monitoring of the heart's electrical activity, particularly for people who have infrequent symptoms. This small device is implanted just under the skin of the chest. Ask your health care provider if this is an option for you. Some personal devices, such as smart watches, offer electrocardiogram monitoring. You typically press a button when symptoms occur. This portable device is intended to be worn for up to 30 days or until you have an irregular heartbeat or symptoms. A person wearing a monitor might also keep a diary of symptoms. It automatically records the heart's activity for 24 to 72 hours. This portable device can be worn for a day or more during daily activities. A health care provider can look for signal patterns to determine if sick sinus syndrome is present. An electrocardiogram (ECG) can tell how fast or slow the heart is beating. Wires attach the sensors to a computer, which displays or prints results. Sensors (electrodes) are attached to the chest and legs. This simple test measures the electrical activity of the heart. To determine whether symptoms are related to problems with the sinus node and heart function, a health care provider may use the following tests: You may not have symptoms at the time of the appointment. Symptoms of sick sinus syndrome - such as dizziness, shortness of breath and fainting - only occur when the heart is beating irregularly. These include digitalis, calcium channel blockers, beta-blockers, and antiarrhythmics.To diagnose sick sinus syndrome, a health care provider performs a physical exam and asks about symptoms and medical history. Some medicines can make abnormal heart rhythms worse, especially when doses are high. When there are periods of both slow and fast heart rates (rhythms) the condition often will be called tachy-brady syndrome. A period of fast heart rates is often followed by very slow heart rates. These include atrial fibrillation, atrial flutter, atrial tachycardia. Tachycardias (rapid heart rhythms) that start in the upper chambers of the heart may be part of the syndrome. Sinus bradycardia occurs more often than the other types of the condition. It is the most common reason people need to have an artificial pacemaker implanted. Sick sinus syndrome is uncommon, but not rare. However, these diseases may have nothing to do with the syndrome. In children, heart surgery on the upper chambers is a common cause of sick sinus syndrome.Ĭoronary heart disease, high blood pressure, and aortic and mitral valve diseases may occur with sick sinus syndrome. It is often due to scar-like damage to electrical pathways in the heart muscle tissue. Sick sinus syndrome most often occurs in people older than age 50.
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