What is the modified Wells score?
Table of Contents
DVT: deep vein thrombosis; PE: pulmonary embolism….
Clinical symptoms of DVT (leg swelling, pain with palpation) | 3.0 |
---|---|
Low | <2.0 |
Simplified clinical probability assessment (Modified Wells criteria) | |
PE likely | >4.0 |
PE unlikely | ≤4.0 |
What is the Wells criteria for DVT?
Table 1 Wells criteria for the prediction of deep vein thrombosis (DVT) a
Clinical Characteristic | Score |
---|---|
Localized tenderness along the distribution of the deep venous system | 1 |
Entire leg swelling | 1 |
Calf swelling at least 3 cm larger than that on the asymptomatic side (measured 10 cm below tibial tuberosity) | 1 |
Is Wells criteria for DVT or PE?

The Wells’ Criteria risk stratifies patients for pulmonary embolism (PE), and has been validated in both inpatient and emergency department settings. Its score is often used in conjunctiion with d-dimer testing to evaluate for PE.
How many points do you need on the Wells criteria for DVT to be considered a high probability?
Wells score was used to define each patient’s probability of developing DVT, patients were assigned a score and then categorized: -2 to 0 points: low probability, 1 to 2 points as moderate probability, and 3 to 8 points as high probability.
What is 2 level Wells score?
two level Wells score for DVT

Factor | Points |
---|---|
collateral superficial veins (non-varicose) | 1 |
pitting oedema (confined to symptomatic leg) | 1 |
swelling of entire leg | 1 |
localised tenderness along distribution of deep venous system | 1 |
What is Wells criteria for PE?
The Wells criteria for pulmonary embolism is a risk stratification score and clinical decision rule to estimate the probability for acute pulmonary embolism (PE) in patients in which history and examination suggests acute PE is a diagnostic possibility.
What are Wells criteria?
When do you use Wells criteria?
The Wells’ DVT Criteria can be used in the outpatient and emergency department setting. By risk stratifying to low risk (Wells’ Score <2) and a negative d-dimer the clinician can exclude the need for ultrasound (US) to rule out DVT. The Wells’ Deep Vein Thrombosis (DVT) Criteria risk stratify patients for DVT.
When do you get a Wells score?
Wells on use of his scores for MDCalc: The model should be applied only after a history and physical suggests that venous thromboembolism is a diagnostic possibility. it should not be applied to all patients with chest pain or dyspnea or to all patients with leg pain or swelling.
When do you use Wells score?
The Wells criteria is a clinical scoring process used in the diagnosis of acute pulmonary embolism (PE) and deep vein thrombosis (DVT). Medical Protection regularly pays out significant compensation to patients when their GP misses the diagnosis of lower limb DVT (deep vein thrombosis).
How accurate is Wells score for PE?
Wells score >4 had a sensitivity of 40%, specificity of 87%, positive predictive value of 59%, and negative predictive value of 77% to predict risk of PE. Conclusions: In this population of critically ill patients, Wells and revised Geneva scores were not reliable predictors of PE.
What is the minimum Wells score for a patient to be classified as likely of having a pulmonary embolism?
Pulmonary Embolism Pretest probability can be defined based on the calculated score from the modified Wells score (Table 61.3). PE has ultimately been classified as “unlikely” if the clinical decision score was 4 or less and “likely” with a score of more than 4 points.