(However, even people with sick sinus syndrome may have a normal heart beat during an office visit, especially if they are not having any symptoms at that time.) Your doctor might suspect you have sick sinus syndrome if he or she detects a very slow or irregular heart beat when examining you. Injuries can occur if you fall during a fainting episode. Over the long term, sick sinus syndrome can increase your risk for stroke and heart failure. the sensation of feeling the heart beat (palpitations).Therefore, it is very hard to diagnose sick sinus syndrome just on the basis of symptoms. When it does cause symptoms, they are very vague and can be attributed to many other disorders. Most of the time, sick sinus syndrome doesn't cause any symptoms. These include the following drugs, which are all prescribed for various heart problems: idiopathic degenerative disease (changes to the area of the heart around the sinus node that occur with aging)Ĭertain medications can make abnormal heart rhythms worse.What causes sick sinus syndrome is not completely understood, but we do know that disorders that cause scarring, degeneration, or damage to the heart can cause sick sinus syndrome. Of the three arrhythmias that fall under the term sick sinus syndrome, sinus bradycardia is the most common. The average age of a person with sick sinus syndrome is about 68. It is even less common in younger people. One study estimates that sick sinus syndrome occurs in about one in every 600 people with cardiovascular disease older than 65. How many people have it is hard to say because it often doesn't cause any symptoms and therefore many people may be living with it and not know it. Sick sinus syndrome is a relatively uncommon problem. In someone with sick sinus syndrome, these signals do not come at a steady pace. This group of specialized cells in the upper right chamber of the heart controls the heart's rhythm by sending electrical signals that tell the heart to beat. bradycardia-tachycardia, which causes alternating slow and fast heart rhythmsĪ problem with a part of the heart called the sinus node causes these arrhythmias.Types of tachycardias include atrial fibrillation, atrial flutter/tachycardia, and supraventricular tachycardia tachycardias, which cause fast heart rates, often followed by a very slow heart rate.
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