![]() In the case of ST-elevation myocardial infarction (STEMI) this is caused predominantly by complete atherothrombotic occlusion of a coronary artery. DefinitionĪcute myocardial infarction is myocardial cell death that occurs because of a prolonged mismatch between perfusion and demand. Survivors of acute MI should receive cardiac rehabilitation and be closely followed up to ensure adequate modification of risk factors and optimisation of (and adherence to) pharmacotherapy for secondary prevention, and to monitor for the development of post MI complications and/or residual angina symptoms. Primary percutaneous coronary intervention (PCI) is the best management option for most patients, with fibrinolysis reserved for those without access to timely primary PCI. Immediate and prompt reperfusion can prevent or minimise myocardial damage and improve the chances of survival and recovery. Make a clinical diagnosis of STEMI and start immediate treatment when a patient presents with symptoms suggestive of myocardial ischaemia and has persistent ST-segment elevation in at least 2 anatomically contiguous ECG leads.Ī rise in cardiac-specific troponins confirms the diagnosis but do not wait for laboratory results before starting treatment. ![]() ![]() Give a loading dose of aspirin as soon as possible to any patient with suspected acute coronary syndrome. Examination is variable, and findings range from normal to a critically unwell patient in cardiogenic shock. ST-elevation myocardial infarction (STEMI) presents with central chest pain that is classically heavy in nature, like a sensation of pressure or squeezing. ![]()
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