title: PARTIAL OR INCOMPLETE INTER-ATRIAL OR INTRA-ATRIAL BLOCK.
mesh_terms: D004562:Electrocardiography; D005853:Geriatrics; D006325:Heart Atria; D006327:Heart Block; D009203:Myocardial Infarction
keywords: ELECTROCARDIOGRAPHY; GERIATRICS; HEART BLOCK; MYOCARDIAL INFARCT