Atrial flutter is a tachyarrhythmia. It is usually seen in individuals with ischemic heart disease. It is never seen in normal individuals. The ECG findings in case of atrial flutter are: - Flutter waves attributing to saw-tooth appearance of baseline - Atrial rate of approximately 250-350 bpm - 2:1 block Reference: https://ecgwaves.com/topic/atrial-flutter-ecg-treatment-management/ Image via: https://litfl.com/atrial-flutter-ecg-library/