| http://www.w3.org/ns/prov#value | - Sustained VT is almost always caused by a scar on the heart (usually after a heart attack or other damage to the heart) which allows an electrical impulse to travel around the scar, causing a reentry ventricular tachycardia which can not break the same way a supraventricular tachycardia can, because the AV node is not involved.
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