Key Points Don’t trust the ECG machines automated interpretation. Confirm the rhythm yourself. Start with the ventricles (R–R pattern), then the atria (P waves), then the AV relationship (PR behavior/P:QRS)….
Key Points Treat the patient, not just the number or rhythm. If the strip explains hypotension, ischemic chest pain, shock, altered mentation, or hypoxia, manage instability (cardioversion/pacing) before granular analysis….