If the initial electrocardiogram (ECG) is not diagnostic or if the patient remains symptomatic and there is clinical suspicion for ACS, serial ECGs, initially at 15-30 minute intervals ...

Prinzmetal’s angina — also known as variant angina or ... Coronary vasospasm can cause ST elevation on the ECG, but only during symptoms. Once the vasospasm resolves, the ECG changes will ...

The diagnosis of unstable angina and non-STEMI is primarily based on the clinical presentation supported by the ECG and laboratory assessment of specific cardiac enzymes. The ECG may show multiple ...

Ambulatory ECG (AECG) recording may be helpful in recognizing ... is indicated for patients suspected of Prinzmetal's variant angina, in whom the simultaneous recording of ST-segment elevation ...

ST elevation myocardial infarction (30%), non ST elevation myocardial infarction (25%), or unstable angina (38%). These types are named according to the appearance of the electrocardiogram (ECG ...