Respiratory calculator
CURB-65 Score
Severity assessment for community-acquired pneumonia.
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Calculator outputs support, but do not replace, clinical judgement. Check the underlying criteria and local guidance before acting on a result.
Use the result safely
First confirm that the score applies to this patient, setting and decision. Enter values with their stated units, record when they were measured and recalculate if a result looks inconsistent with the clinical picture. A risk band is one input to a decision, not a diagnosis or a treatment order. Consider information the tool does not capture, including comorbidity, pregnancy, frailty, medicines and local pathways. In urgent illness, do not delay assessment or escalation while completing a score. For exam revision, learn what each variable represents and where the tool is validated instead of memorising a threshold without context.
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