Internal Medicine

Wells' Criteria for DVT

Calculates the pre-test probability of Deep Vein Thrombosis.

Parameters

Wells' Criteria for DVT Result

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FormulaSum of clinical points.

Clinical Pearls

Helps to rule out DVT in combination with a D-dimer test in low or moderate probability patients, safely reducing the need for ultrasound.

Normal Values / Reference

A score of < 1 is considered "Low Risk" and when combined with a negative highly sensitive D-dimer, effectively rules out DVT.

Limitations

Not validated in pregnant patients or pediatric populations.