EXPLODING BACTERIA
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SIRS Criteria
Temp >38°C (100.4°F) or <36°C (96.8°F)
HR >90 beats/min
RR >20 breaths/min or PaCO₂ <32 mmHg
WBC >12k or <4k or >10% bands
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Fever & Infection
9 tools · free, no login
COPD Exacerbation: Does the Patient Need ABX?
Decides whether an acute COPD exacerbation needs antibiotics — and whether they must cover
Pseudomonas
— using severity and the Anthonisen criteria.
CURB-65
Estimates the mortality of community-acquired pneumonia (CAP) and suggests inpatient vs. outpatient treatment. PSI is favored over CURB-65 by ATS/IDSA, but PSI is cumbersome to use — so many prefer CURB-65.
DRIP — Drug Resistance in Pneumonia
Attempts to predict the risk of drug-resistant organisms (DRPs) in community-acquired pneumonia (CAP).
IDSA/ATS ICU Criteria for CAP
Helps determine the need for the ICU in patients with community-acquired pneumonia (CAP), as outlined by the American Thoracic Society (ATS) / IDSA. Meeting ≥3 minor criteria suggests ICU-level care.
LP Safety: CT Before Lumbar Puncture?
Decides whether it's safe to perform a lumbar puncture now — screening for absolute contraindications, herniation risk that mandates CT first, and correctable bleeding risks.
MASCC Score for Febrile Neutropenia
Identifies low-risk febrile neutropenia patients who may be safely managed with oral antibiotics as outpatients — unusually, a
higher
score is better (low-risk ≥21).
Modified Centor Score for Strep Pharyngitis
Estimates the probability of Group A Strep in acute pharyngitis (McIsaac age-adjusted) — guiding who to test and who to leave alone.
Orbital vs Periorbital Cellulitis
Differentiates sight-threatening orbital (postseptal) cellulitis from periorbital (preseptal) cellulitis — using hard signs to decide who needs CT orbits and admission.
Pneumonia Severity Index (PSI)
Helps determine risk of mortality from Community-Acquired Pneumonia (CAP) and guides home vs. admit; PSI is favored over CURB-65 by ATS/IDSA but is cumbersome to use, resulting in many preferring CURB-65.
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