What are the 6 indications for performing an ECG?

The six indications for performing an ECG include: evaluating chest pain to rule out myocardial ischemia, assessing arrhythmias or palpitations, monitoring the heart's response to medications or treatments, diagnosing structural heart conditions, detecting electrolyte imbalances, and assessing preoperative cardiac risk. Additionally, it may be used in emergency settings to identify acute cardiac events.