16 September 2026
: Case report
Electrocardiographic and Arrhythmic Manifestations of End-Stage Atrial Myopathy in Patients With Longstanding Persistent or Permanent Atrial Fibrillation: A 3-Patient Case Series
Unusual clinical course
Frans SerpaDOI: 10.12659/AJCR.953661
Am J Case Rep 2026; 27:e953661
Figure 2 Follow-up ECG from patient 1 demonstrating atrial tachycardia (AT) following prior atrial fibrillation. The arrow indicates low-amplitude AT.






