<prompt> A Myocardial infarcted patients presented with nausea, vomiting, epigastric pain, with bradycardia. ECG records first degree heart block infraction. Most common involvment isLeft anterior descending arteryRight coronary arteryOblique arteryLeft circumflex coronary artery  <response>: Right coronary artery 315- CMDT-08 320- Harsh Mohan 5th 1533-H17th Belching or vomiting and bradycardia is usually associated with Inferior wall infarction1.Stenosis of the left anteriorMost common 40-50, region of infarction descending coronary arteryis Anterior part of the left ventricleincluding the apex and the anterior 23 of interventricular septum2.Stenosis of the right coronary artery30 - 40 - Involves Posterior InferiorBmd the posterior 13 of the interventricular septum3.Stenosis of the left circumflex15-20 - Involves lateral wall of the left coronary arteryVentricle 