Case Presentation: A 65-year-old male presented with sharp severe chest pain, worsened with respiratory movements. One day prior to admission, patient had catheter ablation due to persistent atrial fibrillation. He had no other medical history. Initial echocardiogram was normal and pericarditis treatment was started. Two days later, patient’s symptoms worsened: nausea and odynophagia. Repeat bedside [...]

Case Presentation: Introduction: Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia. In the past decade, catheter ablation of AF has evolved from an investigational procedure to a frequent therapeutic one. Phrenic nerve injury (PNI) is a complication of ablation that internists should be familiar with, due to its increasing incidence. Case: A 77-year-old [...]