An Individual Presents with Symptoms Consistent with Pulmonary Embolism

An individual presents with symptoms consistent with pulmonary embolism. What approach should the doctor use to treat the individual?

A) inject the patient with ethylene diamine tetraacetic acid
B) start the patient on citrate phosphate dextrose
C) administer an intramuscular injection of anticoagulants to the patient
D) administer heparin to the patient orally
E) inject the patient with thrombolytic agents