title: A medical mystery--palpitations.
authors: Marwan M
authors: MM
authors: Refaat
authors: Bernard
authors: B
authors: Abi-Saleh
authors: Maurice
authors: M
authors: Khoury
mesh_terms: D000328:Adult; D018880:Atrial Premature Complexes / Q000150:complications* / Q000175:diagnosis*; D002037:Bundle-Branch Block / Q000150:complications* / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography / Q000379:methods*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000175:diagnosis*