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2️⃣ Wells' score for pulmonary embolism (PE) [
Online calculator (MD Calc)]
🔹Clinical
signs & symptoms of DVT (minimum of leg swelling & pain with palpation of deep vein): 3 points
🔹An
alternative diagnosis is less likely than PE: 1 point
🔹 Tachycardia > 100 beats/min: 1.5 point
🔹Immobilization or surgery in previous 4 weeks: 1.5 point
🔹Previous DVT/PE: 1.5 point
🔹Haemoptysis: 1 point
🔹Malignancy (on treatment, treated in the last 6 months or palliative): 1 point
⭐️ Clinical probability score: PE likely if ≥4 points, PE unlikely if ≤4 points
References:
1. CPG Prevention and Treatment of Venous Thrombosis 2013
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