WHATEVER

Virchow's triad 1. Trauma to endothelium

                             2. Stasis

                             3. Hypercoagubility

S/S: 1. Hypotension

             2. Tachycardia, EKG S1Q3T3

             3. Hypoxemia

             4. Secondary pulmonary hypertension

Lab: Plasma D-dimer increased

Diagnosis: CTA

                       Lung scan

                       Pulmonary angiography

Modified Wells' Pretest Probability Scoring of Pulmonary Embolism

       +3     PE as likely than other alternate disease

       +3     DVT clinical symptoms

       +1.5   HR>100bpm

       +1.5   prior DVT or PE

       +1.5   Bed rest > 3d

      +1       Hemoptysis

      +1       Malignancy

 Treatment:  LMWH is the drug of choice