<s>[INST] My boyfriend is 21. He recently landed his first job and as part of routine, he had to undergo ECG, drug test and the whole works. His ECG report stated consider inferior ischemia. I googled it of course and it seems to be disturbing, I also came across some articles where theyve said just consider inferior ischemia can be misleading and that sometimes its probably nothing. My bf is due for an appointment with a cardiologist next week, but I wanted to know what the situation could be. His blood sugar level and cholesterol level is normal. Please help. [/INST] Hello! Myocardial ischemia is caused by coronary artery disease. Coronary arteries are the blood vessels of the heart muscle, if they are partially occluded cause ischemia, and if they are totally occluded cause infarction. Untreated ischemia leads to infarction. Nowadays, coronary artery disease, myocardial ischemia and infarction are more frequent in young adults (younger than 45) than before. The causes which may lead to ischemia are atheromas coronary disease (hypertrigliceridemia, low HDL, with risk factors smoking, obesity and lack of physic activity), non-atheromatous coronary disease (congenital coronary anomalies, artery dissection, heart valve infection), hypercoagulable states (antiphospholipid syn Chat Doctor.  </s>