NSVT Johnson Francis | July 6, 2008 | Electrical system of the heart | No Comments NSVT NSVT: Non-sustained Ventricular Tachycardia, lasting less than 30 seconds. Related Posts Ventricular Tachycardia (VT) No Comments | May 24, 2008 What is RSR deflection? No Comments | May 3, 2013 What are phantom shocks? No Comments | Apr 3, 2013 VPC No Comments | Jul 6, 2008 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal