Diagnostic prediction models for suspected pulmonary embolism: systematic review and independent external validation in primary care

British Medical Journal

Five diagnostic prediction models to rule out PE were evaluated for transportability to primary care in a cohort of 598 patients. Although efficiency was similar (43-48%), the three Wells rules performed better than the revised Geneva models for safety (failure rate 1.2% v 3.1%).

The CHA2DS2-VASc score for stroke risk stratification in patients with atrial fibrillation: a brief history

European Heart Journal

The CHA2DS2-VASc score is now recommended in many guidelines for stroke risk stratification in AF. The article discusses the evolution of this scoring system.

The above records have been identified by UKMi and feature in the NICE Medicines Awareness Service. Further details on this service can be found at:
http://www.evidence.nhs.uk/about-evidence-services/content-and-sources/medicines-information/new-medicines-awareness-services