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 3 Baseline ECG from patient 2 demonstrating atrial fibrillation with fibrillatory waves in lead V1. The arrow indicates fibrillatory waves.






