modified wells criteria for predicting pulmonary embolism ?
1-DVT (leg swelling ,pain on palpation of deep eins ) clinical signs and symptoms of dvt 3.00 points
2-alternative diagnosis less likely than PE 3.00 points
3-immobilization >3days - 72 hr 1.5 point
4- surgery within past 4 weeks 1.5 point
5-previous DVT-PE 1.5 point
6-heart rate >100 1.5 point
7-hemoptysis 1.0 point
8-malginancy (treatment or palliation within past 6 months) 1.0 point