title: Clinical studies on apexcardiogram. 3. Effects of low oxygen inhalation and various pharmacological tests on the apex beat in cardiac patients.
mesh_terms: D000680:Amyl Nitrite; D004071:Digitalis Glycosides; D004562:Electrocardiography; D005080:Exercise Test; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D007545:Isoproterenol; D007702:Kinetocardiography; D008297:Male; D008875:Middle Aged; D005996:Nitroglycerin; D010100:Oxygen; D011433:Propranolol
chemical_list: D004071:Digitalis Glycosides; D000680:Amyl Nitrite; D011433:Propranolol; D005996:Nitroglycerin; D007545:Isoproterenol; D010100:Oxygen