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Echocardiography shows there was a heart attack in the past (attachments removed to protect the patient's identity). In diabetic patient, silent heart attack occurs, and it goes unnoticed. This is not a new heart attack as troponin I level is normal (negative) now. She has no symptoms of chest pain, so no need for angioplasty. Only medicines are needed now. If she has chest pain even after taking medicines, then angioplasty will be needed. Remember, angioplasty is only beneficial in case of a recent heart attack. Another indication of angioplasty is when the left ventricular function is low (in your mother's case, it is 45% lower than normal). Angioplasty is supposed to increase its function, but this can be predicted from echocardiography (in your mother's echocardiography, it seems unlikely that function will increase). If MPS (myocardial perfusion scanning) shows reversible ischemia, then angioplasty can be done to improve the heart's function. This ECG shows a second-degree AV (atrioventricular) block, but the heart rate is normal. If this ECG is persistent, then a pacemaker will be required. Sometimes block reverts back to normal. If it does not revert in few days, then a pacemaker should be implanted as she will be given cardiac medicines which slow the heart rate. Her kidney function is also decreased, probably due to diabetes, and it will deteriorate even more after angioplasty. I suggest keeping her on medicines and observe her for three to six months with follow-ups, nephrology consultations, diabetes control, and lifestyle modifications. Nowadays, many newer medicines are beneficial for diabetes, kidney function, and also for heart function. With these medicines, the heart's function usually improves over months. I hope this was helpful.