![]() If you have frequent episodes of SVT, your health care provider may prescribe medication to control your heart rate or restore a typical heart rhythm. These actions affect the vagus nerve, which helps control the heartbeat. Your health care provider may ask you to do these actions during an episode of SVT. Simple but specific actions such as coughing, bearing down as if having a bowel movement or putting an ice pack on the face can help slow down the heart rate. Don't attempt to do carotid sinus massage on your own. During this type of massage, the body releases chemicals that slow the heart rate. A health care provider applies gentle pressure on the neck where the carotid artery splits into two branches. However, if you have long or frequent episodes, your health care provider may recommend the following: Most people with supraventricular tachycardia (SVT) don't need treatment. ![]() An EP study allows a health care provider to see how electrical signals spread through the heart during each heartbeat. Sensors on the tips of the catheters record the heart's electrical patterns. One or more thin, flexible tubes (catheters) are guided through a blood vessel, usually in the groin, to various spots in the heart. Your provider observes how your heart and the nervous system that controls it respond to the change in angle. The table is then tilted as if you were standing up. Your heart rate and blood pressure are monitored as you lie flat on a table. Your health care provider may recommend this test if you've had fainting spells. If you can't exercise and your provider thinks heart disease may be causing your arrhythmia, you may receive a drug during the test to stimulate the heart in a way that's similar to exercise. During a stress test, you typically exercise on a treadmill or stationary bicycle while your heart activity is monitored. Supraventricular tachycardia may be triggered or worsened by stress or exercise. This device detects irregular heart rhythms and is implanted under the skin in the chest area. An echocardiogram can provide details about the heart and heart valves. ![]() Sound waves are used to create images of the heart in motion. An event recorder is typically worn for up to 30 days or until you have an arrhythmia or symptoms. This wearable ECG device is used to detect infrequent arrhythmias. This portable ECG device can be worn for a day or more to record the heart's activity during daily activities. It can show how fast or slow the heart is beating. An ECG measures the timing and duration of each electrical phase in the heartbeat. An ECG records the electrical activity of the heart.
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