11 results
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes of Relative ... Bradycardia • ... Babesiosis, Malaria, Leptospirosis ... #Dissociation #relative ... #bradycardia #differential
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Bradycardia - Note ... Babesiosis, Malaria, Leptospirosis ... #relative #bradycardia ... #Causes #differential
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... Grouped by gram negative ... other as well as never ... #Infections #Microbiology ... #Micro #Differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... • Leptospirosis ... Associated with Relative ... Bradycardia: ... #Patterns #Differential
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
fastidious gram-negative ... Ulceroglandular: Fever ... Serology (preferred), Culture ... & GS, PCR Treatment ... infectiousdiseases #microbiology
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
Positive effluent culture ... Note that fever ... Microbiology: • ... diverticulitis) Treatment ... polymicrobial Others • Culture
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
• Cellulitis: Fever ... microorganism (Culture ... Treatment: • 50% ... Capnocytophaga #canimorsus #microbiology ... diagnosis #management #treatment
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... • Coagulase-negative ... night sweats, fever ... Marantic (NTBE) Differential ... Persistent bacteremia/fevers
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... Hypercoagulable (APLAS) Microbiology ... night sweats, fever ... hematuria, + RF Treatment ... #Endocarditis #Differential

Haemophilus influenzae on culture and microscopy
Immunosuppressed patient, recently diagnosed with Flu A. Presents after initial improvement
influenzae on culture ... and microscopy ... improvement with fever ... requirements help differentiate ... #microbiology