title: Transthoracic echocardiography during cardiac arrest due to massive pulmonary embolism.
authors.forename: P
authors.initials: P
authors.lastname: Knowles
mesh_terms: D004452:Echocardiography; D006323:Heart Arrest / Q000188:drug therapy*; D006801:Humans; D011655:Pulmonary Embolism / Q000150:complications; D015912:Thrombolytic Therapy