title: Pre-excitation and mitral valve prolapse.
mesh_terms: D000328:Adult; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006326:Heart Auscultation; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000175:diagnosis*