[Sick sinus node syndrome. Report of 2 cases].
D001919:Bradycardia / Q000503:physiopathology; D014355:Chagas Disease / Q000150:complications / Q000503:physiopathology; D002932:Cineangiography; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012849:Sinoatrial Node / Q000503:physiopathology
Síndrome do nódulo sinusal doente. Relato de dois casos