<prompt> A patient with DM of 4 yrs duration presents with dizziness and HR 52min, probable cause isHypoglycaemiaInferior wall MISick-sinus syndromeAutonomic dysfunction  <response>: An inferior wall myocardial infarction -- also known as IWMI, or inferior MI, or inferior ST segment elevation MI, or inferior STEMI -- occurs when inferior myocardial tissue supplied by the right coronary aery, or RCA, is injured due to thrombosis of that vessel . Ref Davidson 23rd edition pg 460 