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Tool ATool B

Centor Score

Infectious Disease

Calculate the Modified Centor (McIsaac) Score for streptococcal pharyngitis probability. Score 0–1: no testing needed. Score 2–3: rapid strep test. Score 4–5: treat empirically with antibiotics.

Formula

Score = Exudates + Nodes + Fever + No Cough + Age modifier. Range −1 to 5.

Inputs

Tonsillar exudates or swelling
Tender anterior cervical lymph nodes
Temperature > 38°C (100.4°F)
Absence of cough
Patient age

FAQs: 3

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CURB-65 Score

Emergency

Calculate the CURB-65 score to assess pneumonia severity and determine the need for hospitalization or ICU admission.

Formula

CURB-65 = Confusion(1) + BUN>19(1) + RR≥30(1) + BP low(1) + Age≥65(1)

Inputs

Confusion (new disorientation)
BUN > 19 mg/dL (> 7 mmol/L)
Respiratory Rate ≥ 30/min
BP: SBP < 90 or DBP ≤ 60 mmHg
Age ≥ 65

FAQs: 15

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Compare Medical Tools

Side-by-side comparison helps you choose the right calculator for a specific clinical question.

Centor Score

Infectious Disease

Formula

Score = Exudates + Nodes + Fever + No Cough + Age modifier. Range −1 to 5.

Inputs

Tonsillar exudates or swelling
Tender anterior cervical lymph nodes
Temperature > 38°C (100.4°F)
Absence of cough
Patient age

FAQs: 3

Open tool

CURB-65 Score

Emergency

Calculate the CURB-65 score to assess pneumonia severity and determine the need for hospitalization or ICU admission.

Formula

CURB-65 = Confusion(1) + BUN>19(1) + RR≥30(1) + BP low(1) + Age≥65(1)

Inputs

Confusion (new disorientation)
BUN > 19 mg/dL (> 7 mmol/L)
Respiratory Rate ≥ 30/min
BP: SBP < 90 or DBP ≤ 60 mmHg
Age ≥ 65

FAQs: 15

Open tool