Complications of myocardial infarction

• Cardiopulmonary arrest

• Continuing chest pain — may be ischaemic or pericarditic in origin

• Hypotension — apart from cardiogenic shock consider hypovolaemia (e.g. post-diuretics) and a thrombolysis reaction

• Tachyarrhythmias/bradyarrhythmias

• Valve dysfunction — predominantly mitral

• Pericardial tamponade (rare)

• Ventricular septal defect (unusual, often presents 2-5 days post-infarct)

• Complications of thrombolytic therapy—arrhythmias, bleeding, anaphylactoid reaction

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