rambling-medic: How do doctors look at ECGs and determine a patient has had a heart attack in the past? Well there is a pattern of evolution of a myocardial infarction seen on an ECG. A sign of an old infarct is the presence of pathological Q waves.
rambling-medic: How do doctors look at ECGs and determine a patient has had a heart attack in the past? Well there is a pattern of evolution of a myocardial infarction seen on an ECG. A sign of an old infarct is the presence of pathological Q waves.