Overview
Definition
Blockage of a pulmonary artery, usually by a blood clot originating from the legs.
Epidemiology
Incidence increases with age; high mortality if untreated.
Etiology & Risk Factors
- Deep vein thrombosis (Virchow's triad)
Clinical Symptoms
- Sudden dyspnea
- Pleuritic chest pain
- Hemoptysis
- Tachycardia
Clinical Approach
Diagnosis
- CT Pulmonary Angiogram
- D-dimer
Management
- Anticoagulation (DOACs, Heparin)
- Thrombolysis (if massive)
Complications
- Pulmonary hypertension
- Right heart failure
- Death