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 Complete heart block – CHB No Comments | Aug 4, 2018 Torsades des pointes No Comments | Jul 6, 2008 Can supraventricular tachycardia weaken the heart muscle? No Comments | Apr 1, 2013 PMVT 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