Clinical Prediction Rule for Pulmonary Infiltrates

Annals of Internal Medicine. 1990;113:664-670

Clinical Predictors

 Temperature greater than 37.8 deg C
 Pulse greater than 100 beats/min
 Rales
 Decreased breath sounds
 Absence of asthma

Pneumonia Prevalance

 5%         10%       15%
 20%       25%       30%
 35%       40%       45%		       
 %
Defined as definite or probable pneumonia
according to radiographic evidence

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