title: MASSIVE PULMONARY EMBOLISM: 3. IMMEDIATE ELECTROCARDIOGRAPHIC CHANGES.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac; D004285:Dogs; D004562:Electrocardiography; D007022:Hypotension; D011655:Pulmonary Embolism; D012106:Research; D014882:Water-Electrolyte Balance
keywords: ARRHYTHMIA; DOGS; ELECTROCARDIOGRAPHY; EXPERIMENTAL LAB STUDY; HYPOTENSION; PULMONARY EMBOLISM; WATER-ELECTROLYTE BALANCE