This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pulmonary Embolism, Subject name: Medicine
[{'content': 'The treatment of choice in a patient with Massive Pulmonary Embolism in Shock is- \nSelect and explain. \nA. Thrombolytic Therapy, B. Low Molecular Weight Heparin, C. Aggressive fluid resuscitation, D. Diuretic Therapy', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Thrombolytic Therapy Treatment of patients with pulmonary embolism based on risk stratification Patient with Dulmonary embolism | | | Low risk (Small PE) o Normotension Plus o Normal right ventricular function Intermediate risk (Submassive PE) o Normotension Plus o Right ventrucular dysfunction (RV hvpokinesia on echocardiogram) High risk (Massive PE) o Hypotension Plus o R V dysfunction | | | o Treatment of choice is anticoagulation o Treatment is controversial o Treatment of choice is Thrombolysis (or Embolectomy)", 'role': 'assistant'}]