Geneva rule in the clinical prediction of pulmonary embolus (PE)
Wells et al developed a simple clinical model which was able to predict the possibility of a patient having a PE.
It contained 7 variables with a total score of 12.5 points
- predisposing factors
- previous DVT or PE - 1.5 points
- recent surgery or immobilization - 1.5 points
- cancer - 1 point
- symptoms
- haemoptysis - 1 point
- clinical signs
- heart rate >100 beats/min - 1.5 points
- clinical signs of DVT - 3 points
- clinical judgement
- alternative diagnosis less likely than PE - 3 points
The clinical probability can be divided according to the points scored into:
- three-category scheme
- low 0-1 points
- intermediate 2-6 points
- high 7 or more points
- two-category scheme
- PE unlikely 0-4 points
- PE likely >4 points
Reference:
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