"Dome and dart" P waves.
P waves with a "dome and dart" configuration have been observed in patients with congenital and acquired heart disease while having arrhythmias of left atrial origin. This report describes a patient who has dome and dart P waves that appear to be neither ectopic nor associated with structural heart disease.
D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans