Polymorphic ventricular tachycardia is an abnormal heart rhythm where the bottom chambers of your heart beat too quickly. People with severe cases may experience sudden cardiac arrest. Conditions that ...

Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a heart rhythm problem, or arrhythmia. If you have it, your heartbeat is faster and irregular at times. When this happens, it’s harder ...

Ventricular tachycardia is a type of arrhythmia, or irregular heart rhythm. Sometimes called VT or V-tach, it’s an unusually fast heartbeat that starts in the lower part of your heart called the ...

There are only a few sinus rhythm QRS complexes available to examine on this ECG. Using lead V1 an incomplete right bundle branch block is seen. A prolonged QT interval is present that extends all the ...

An independently validated risk score may help predict adverse events in patients with frequent premature ventricular contractions (PVCs), new research suggests. Over the past decade, there has been ...

Background: A 25-year-old woman experienced three episodes of syncope over the course of 2 years. The attacks all occurred just after she had sat down, and two were accompanied by convulsions. She had ...

Monomorphic ventricular tachycardia is an irregular heartbeat where the bottom chambers of your heart beat quicker than usual. It can cause symptoms such as shortness of breath, dizziness, or fatigue.

Why has an otherwise healthy woman in her late 60s had repeated episodes of fainting and dizziness for the past several weeks? The woman presented to the emergency department immediately after one ...

Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT) is a rare genetic ventricular tachycardia which can result in sudden cardiac death and/or syncope in young individuals with structurally ...

Ventricular tachycardia (VT) is a heart condition that begins in the lower chambers of the heart. It causes the heart to beat very quickly at a rate of over 100 beats per minute. Symptoms of VT ...