![]() ![]() Ventricular fibrillation is a type of arrhythmia that can cause sudden cardiac death. If you suddenly or frequently experience shortness of breath, weakness, dizziness, lightheadedness, fainting, or chest pain, seek urgent medical care. Coronary bypass surgery can improve blood flow to the heart. During this procedure, your doctor will make incisions to create scar tissue, which will interfere with stray electrical impulses that cause arrhythmias. If the device detects an abnormal heart rhythm, the ICD will shock the heart to restore the normal rhythm. An ICD may be used if you are at risk for extremely fast arrhythmias or heart conditions that increase your risk for a heart attack. Implantable cardioverter-defibrillator (ICD).If the device detects an irregular heart rate, it stimulates the heart and restores the rhythm. ![]() A pacemaker is a device that is implanted under the skin to control abnormal heart rhythms. During an ablation, your doctor will use heat or extreme cold to ablate a spot of the heart to correct the heart rhythm disturbance. During this procedure, an electrical shock is delivered to your heart. In many cases, antiarrhythmic medications can help control a person's heart rate or restore a normal heart rhythm. Some people can stop a supraventricular tachycardia arrhythmia by holding their breath, straining, dunking your face in ice water, or coughing. Your doctor may recommend changing your lifestyle, such as aiming for a healthy weight, exercising, eating healthy, managing stress, and quitting smoking. Treatments for arrhythmias include lifestyle changes, medications, cardioversion, ablation, or implanting devices that shock the heart into rhythm and surgery. EP testing will map the electrical impulses through the heart.
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