[On sinoauricular block in the effort electrocardiogram in cardiovascular diseases].
D002318:Cardiovascular Diseases; D004562:Electrocardiography; D006327:Heart Block; D006801:Humans; D005082:Physical Exertion; D012214:Rheumatic Heart Disease; D012848:Sinoatrial Block
ELECTROCARDIOGRAPHY; EXERTION; HEART BLOCK; RHEUMATIC HEART DISEASE