<prompt> A 60 year old woman with fracture neck of femur presents to the emergency depament a few days after her injury with sudden onset breathlessness and chest pain. The most likely diagnosis is:Myocardial InfarctionDeep Vein ThrombosisPulmonary EmbolismPleuritis  <response>: Answer is C Pulmonary Embolism: Sudden onset of Dyspnea and Chest Pain following injury, surgery or immobilization strongly suggests a diagnosis of pulmonary thromboembolism. 