Electrocardiogram - Summary of recommendations and evidence
All patients with suspected NSTE-ACS should undergo ECG. Ideally, an ECG should be performed within 10 minutes of the patient's arrival at the hospital.	I	B
The ECG should be repeated at least once within 6 hours in non-diagnostic cases.	I	C
The ECG should be repeated in case of symptom recurrence.	I	C
The V3R-V4R, and V7-V9 leads should be recorded in patients who remain symptomatic and have a non-diagnostic 12-lead ECG.	I	C