title: On the value of apex cardiography for timing intracardiac events.
mesh_terms: D000680:Amyl Nitrite; D000818:Animals; D001013:Aorta, Thoracic / Q000502:physiology*; D006328:Cardiac Catheterization; D004285:Dogs; D005260:Female; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D007545:Isoproterenol; D007702:Kinetocardiography; D008297:Male; D008365:Manometry; D008722:Methods; D008943:Mitral Valve / Q000502:physiology; D009638:Norepinephrine; D010138:Pacemaker, Artificial; D010656:Phenylephrine; D011433:Propranolol; D013997:Time Factors; D014159:Transducers; D016276:Ventricular Function
chemical_list: D010656:Phenylephrine; D000680:Amyl Nitrite; D011433:Propranolol; D007545:Isoproterenol; D009638:Norepinephrine