<prompt> The treatment of choice in a patient with Massive Pulmonary Embolism in Shock is-Thrombolytic TherapyLow Molecular Weight HeparinAggressive fluid resuscitationDiuretic Therapy  <response>: 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 