Evidence for myocardial infarction:
(1) myocardial damage on ECG
(2) history of elevated serum troponin concentration
(3) new onset of cardiac arrhythmias
(4) myocardial scar at autopsy
Clinical findings that can be associated with silent myocardial infarction:
(1) nausea and/or vomiting
(2) unexplained fatigue
(3) heartburn
(4) shortness of breath (dyspnea)
(5) discomfort in chest, neck or jaw
(6) signs of heart failure
Sometimes the patient is totally asymptomatic.
