What is criteria for Type 2 MI?

Rise/fall of TnC 99th percentile and evidence of imbalance O2 supply and demand unrelated to coronary athero-thrombus, and one of (symptoms of AMI, new ECG changes, pathological Q, loss of viable myocardium on imaging) It is atherosclerosis, vasospasm, non atherosclerotic dissection or imbalance O2 alone.