Infectious Diseases

Pneumonia Severity Index (PORT/PSI)

Risk-stratifies CAP patients into five classes for site-of-care decisions

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Input Parameters

Age

years

Sex

Nursing home resident

Neoplastic disease

Liver disease

Congestive heart failure

Cerebrovascular disease

Renal disease

Altered mental status

Respiratory rate ≥ 30/min

Systolic BP < 90 mmHg

Temperature < 35°C or ≥ 40°C

Heart rate ≥ 125/min

Arterial pH < 7.35

BUN ≥ 30 mg/dL (urea ≥ 11 mmol/L)

Serum sodium < 130 mmol/L

Glucose ≥ 250 mg/dL (13.9 mmol/L)

Hematocrit < 30%

PaO₂ < 60 mmHg or SpO₂ < 90%

Pleural effusion on CXR

Clinical Note (Optional)

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Duke Criteria for Infective Endocarditis

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MRSA Risk Stratification

Predicts likelihood of MRSA infection to guide empiric antibiotic selection

UTI Severity & Treatment Guide

Classifies UTI severity and recommends empiric antibiotics based on risk factors