title: Observations on atrial tachycardia with block.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004071:Digitalis Glycosides / Q000506:poisoning; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria; D006327:Heart Block / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000175:diagnosis*
chemical_list: D004071:Digitalis Glycosides