Cardiology / Vascular

Wells' DVT Criteria

Clinical probability score for Deep Vein Thrombosis.

Active Cancer

Paralysis or recent immobilization

Bedridden >3 days or major surgery

Localized tenderness

Entire leg swollen

Calf swelling ≥ 3cm

Pitting edema

Collateral superficial veins

Alternative diagnosis likely

Mnemonics

🇬🇧 Cancer · Alt unlikely · Leg swollen · Local tenderness — "CALL"
🇷🇺 Опухоль · Альтернатива мала · Отёк · Боль — "ООАБ"
🇺🇿 Saraton · Alternativa · Shish · Og'riq — "SASO"

Clinical Significance

Recommendation: A score of 0 suggests DVT is unlikely; a score of 1-2 suggests moderate probability; a score of ≥ 3 suggests high probability.