IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-12-32556 Original Research Paper ROLE OF NONINVASIVE SPHYGMOMANOMETER IN TRANSRADIAL CORONARY ANGIOGRAPHY COMPLICATED BY CATHETER KNOT PRAKASH CHAND SHAHI Dr. December 2020 9 12 01 02 ABSTRACT