ATRIAL PARASYTSTOLE.
D001145:Arrhythmias, Cardiac; D003933:Diagnosis; D004562:Electrocardiography; D005853:Geriatrics; D006325:Heart Atria; D006326:Heart Auscultation; D006801:Humans; D007008:Hypokalemia
ARRHYTHMIA; DIAGNOSIS; ELECTROCARDIOGRAPHY; GERIATRICS; HEART AUSCULTATION; HYPOKALEMIA