Haematology · Emergency Medicine · Internal Medicine
Constans Score for Upper Extremity DVT calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
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0
Constans −1 to 0 — low probability UEDVT
Band: Constans −1 to 0 — low probability UEDVT
Interpretation. Constans −1 to 0 — low probability UEDVT
Suggested management. Low pretest probability of upper-extremity DVT.
Constans Score for Upper Extremity DVT: 0 — Constans −1 to 0 — low probability UEDVT. Interpretation: Constans −1 to 0 — low probability UEDVT What to do: Low pretest probability of upper-extremity DVT. Inputs: Venous material (e.g., catheter) present (+1): false; Localized pain (+1): false; Unilateral pitting edema (+1): false; Alternative diagnosis at least as likely (−1): false Source: Constans J et al. A clinical prediction score for upper extremity deep venous thrombosis. J Thromb Haemost. DOI: 10.1111/j.1538-7836.2007.02859.x. PMID: 18217155. Scope: +1 venous material (catheter), +1 localized pain, +1 unilateral pitting edema, −1 if another diagnosis is at least as plausible; low −1/0, intermediate 1, high 2–3. (2008)
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Clinical inputs
- Venous material (e.g., catheter) present (+1)
- Localized pain (+1)
- Unilateral pitting edema (+1)
- Alternative diagnosis at least as likely (−1)
Primary source
Constans J et al. A clinical prediction score for upper extremity deep venous thrombosis. J Thromb Haemost. DOI: 10.1111/j.1538-7836.2007.02859.x. PMID: 18217155. Scope: +1 venous material (catheter), +1 localized pain, +1 unilateral pitting edema, −1 if another diagnosis is at least as plausible; low −1/0, intermediate 1, high 2–3. (2008)
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