![]() Electrophysiological testing and mapping.Other tests your doctor may order to diagnose an SVT include: This device can record episodes during your normal day to day activities. If you do not have an episode during the clinic visit or EKG, you will likely wear a portable EKG. An EKG will measure your heart’s electrical activity and can record SVT episodes. If SVT is suspected, your doctor will likely perform an electrocardiogram (EKG, ECG). Your doctor can diagnose supraventricular tachycardia by doing a physical exam, taking a full medical history, and performing diagnostic tests.ĭuring the clinic visit, your doctor will determine if anything is triggering your abnormally fast heart rate, how long it lasts, and if it starts and stops suddenly. In rare cases, untreated supraventricular tachycardia may cause cardiac arrest. If you have coexisting medical conditions and do not treat supraventricular tachycardia, the condition may weaken your heart and lead to heart failure. Supraventricular tachycardia complications Pulse rate greater than 200 beats a minute.Symptoms in infants or young children may include: In some people, symptoms may appear suddenly and last anywhere from a couple of minutes to a few days. Symptoms of supraventricular tachycardia differ from person to person. Thyroid conditions - people with overactive or underactive thyroid glands are more likely to experience a supraventricular tachycardia.Recreational drug use - people taking illegal drugs such as crystal meth or cocaine are more likely to experience a supraventricular tachycardia.Diabetes - people who have uncontrolled diabetes are more likely to develop supraventricular tachycardia.Drugs and supplements - taking OTC cold medications and prescription medications may increase your risk of developing a supraventricular tachycardia.Anxiety, physical fatigue, or emotional stress.Congenital heart disease - people born with a congenital heart defect may experience supraventricular tachycardia episodes.Coronary artery disease or other heart conditions - if you have another heart condition or have had heart surgery previously, you are at greater risk for supraventricular tachycardia.Age - while supraventricular tachycardia is the most common type of arrhythmia in children, middle-aged and older people are more likely to experience some types of supraventricular tachycardia. ![]() Pregnancy - women who are pregnant are at greater risk of developing supraventricular tachycardia.Gender - women are more likely to develop supraventricular tachycardia.Risk factors that increase your likelihood of experiencing supraventricular tachycardia include: Supraventricular tachycardia is a common type of irregular heartbeat in infants and children. Supraventricular tachycardia risk factors Recreational drug use such as cocaine or Crystal meth.Certain medications such as decongestants, herbal diet medications, asthma medications.In other cases, there is not a noticeable trigger.Ĭonditions or factors that may lead to a supraventricular tachycardia include: In some cases, triggers such as psychological stress, lack of sleep, or physical activity can cause a supraventricular tachycardia. Most people can go about their daily lives with supraventricular tachycardia without any treatment, while others need medications or lifestyle changes to manage the fast heart rate. When this occurs, you may feel like you have a racing heart because your heart's electrical impulses are not working correctly. While a normal heart rate is 60 to 100 beats a minute, if you sustain a heart rate of over 100 beats per minute, it is called tachycardia. It includes a variety of heart rhythm disorders that start in the ventricles of the atria or AV node. Supraventricular tachycardia is an abnormally fast heartbeat.
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