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Glossary of Terms

V-Fib - A lethal heart rhythm in which there is uncoordinated contraction of the cardiac muscle of the ventricles in the heart, making them tremble rather than contract properly.
V-Leads - the series of six standard unipolar leads in which the exploring electrode is attached to the chest, designated V1 to V6.
Ventricular Run - Consist of four or more consecutive Pre Ventricular Contractions (PVC).
VF - Lethal heart rhythm resulting in little to no vascular perfusion. The rhythm must be treated with immediate defibrillation.
VT - Ventricular Tachycardia is a fast and potentially lethal wide QRS complex rhythm originating from the ventricles.