Emergency Medicine · Internal Medicine · Pulmonology
Pneumonia Severity Index (PSI/PORT) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
years
Allowed range: 18–130 years
Quick picks
/min
Allowed range: 0–100 /min
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mmHg
Allowed range: 0–300 mmHg
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°F
Allowed range: 68–113 °F
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/min
Allowed range: 0–300 /min
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Result
6 fields remaining
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Clinical inputs
- Age (years)Accepted range: 18 to 130
- Sex adjustment
- Nursing-home resident (+10)
- Neoplastic disease (+30)
- Liver disease (+20)
- Congestive heart failure (+10)
- Cerebrovascular disease (+10)
- Renal disease (+10)
- Altered mental status (+20)
- Respiratory rate (≥30/min) (+20)Accepted range: 0 to 100
- Systolic BP (mmHg)Accepted range: 0 to 300
- Temperature (<35°C or ≥40°C) (+15)Accepted range: 20 to 45
- Pulse (≥125/min) (+10)Accepted range: 0 to 300
- Arterial pH <7.35 (+30)
- BUN ≥30 mg/dL (+20)
- Sodium <130 mmol/L (+20)
- Glucose ≥250 mg/dL (+10)
- Hematocrit <30% (+10)
- PaO₂ <60 mmHg (+10)
- Pleural effusion (+10)
Primary source
Fine MJ et al. A prediction rule to identify low-risk patients with community-acquired pneumonia. N Engl J Med (1997)
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