Initial choice of anticoagulation in PE
Case: A 34 year old female with no PMHX presents to the ED with unilateral right lower extremity swelling, dyspnea, and moderate pleuritic chest pain. Vitals: BP 130/65, HR 68, RR 20, SPO2 89% on room air, Temp 37.8. A CT finds evidence of PE bilaterally at the segmental level. BNP and troponin are both mildly elevated. Point of care cardiac ultrasound shows mild RV dilation. After interviewing the patient, you don’t identify any contraindications to anticoagulation. Pregnancy testing is negative. Her renal function is normal. You consider what is the preferred agent for anticoagulation in this patient.