McGill Case 225

This case report is kindly provided by Michael Rosengarten from McGill and is part of the McGill Cases. These cases come from the McGill EKG World Encyclopedia. Previous Case: McGill Case 224 | Next Case: McGill Case 226

This is a case of tachy/brady syndrome where the "tachy" is atrial fibrillation. These are nearly continuous recordings and show a long pause and a sinus beat which ends the sequence.