The Patient's Initial Laboratory Results Are as Follows

The patient's initial laboratory results are as follows:
While in the emergency department, the patient has an episode of coughing and shortness of breath.  He brings up approximately 600 mL of blood.  His blood pressure is 105/61 mm Hg and pulse is 122/min.  He is intubated, and fresh blood fills the endotracheal tube.  Which of the following is the most appropriate next step in management of this patient?

A) Bronchoscopy
B) CT scan of the chest with contrast
C) Fresh frozen plasma infusion
D) Pulmonary arteriography
E) Urgent thoracotomy

Correct Answer:

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