title: Relation of the electrocardiogram to hemodynamic alterations in pulmonary embolism.
mesh_terms: D000328:Adult; D000368:Aged; D000792:Angiography; D001794:Blood Pressure; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006325:Heart Atria / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000503:physiopathology*; D012129:Respiratory Function Tests; D014655:Vascular Resistance