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Management of Non-STEMI and suspected Acute Coronary Syndrome.

1. Patients presenting with ACS are at high risk of subsequent events and if ischaemic sounding chest pain is associated with either a raised troponin, dynamic ECG changes or other high risk features, inpatient coronary angiography should be arranged within 72 hours. 2. Patients with either ongoing chest pain and ECG changes despite medical treatment, ventricular arrythmias, or cardiogenic shock / haemodynamic compromise require emergency coronary angiography. 3. For patients with suspected ACS but no high risk features (Table 4) a non invasive test for myocardial ischaemia prior to discharge is recommended 4. In patients with renal impairment (creatinine .220) and chronically elevated troponin in whom an acute coronary syndrome is suspected additional cardiac markers such as CK or CK-MB as well as consecutive troponin measurements on admission and 12 hours are helpful to identify whether the patient sustained acute cardiac damage.