As a medical professional with expertise in cardiology, I can provide you with information on ventricular tachycardia (Vtach). Ventricular tachycardia is a type of
supraventricular tachycardia where the heart rate is very fast due to three or more consecutive ventricular premature complexes (PVCs).
To determine if a patient has Vtach, healthcare providers look for a series of three or more PVCs in a row. It's important to note that the presence of PVCs alone is not necessarily indicative of a serious condition, but when they occur in rapid succession, it can be a sign of a potentially serious heart rhythm disturbance.
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