<prompt> Comment on the diagnosisPrinzmetal anginaMyocardial infarctionPulmonary embolismHyperkalemia  <response>: ECG shows hea rate of 70min with T wave inversion noted in leads V1 to V4. Indicates possible Myocardial ischemia. Choice A and D are ruled out as there is no ST elevation. Pulmonary embolism leads to S1Q3T3 pattern McGinn-White Sign 