35 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
LATENT TB • ... LTBI is diagnosed ... IGRA/QuantiFERON-TB ... age ACTIVE TB ... LatentTB #ActiveTB #InfectiousDiseases
Liver infections and imaging findings
 - Pyogenic Liver Abscess
 - Amebic Abscess
 - Cholangitic Microabscesses
Pyogenic Liver Abscess ... - Amebic Abscess ... lesions: Hepatic TB ... Differential #Ddx #Diagnosis ... #Microbiology
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Differential diagnosis ... of Skin + Eye infections ... tuberculosis, M. abscessus ... #dermatology #InfectiousDiseases ... #fungal #Microbiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Diagnosis: ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... #management #infectiousdiseases ... #treatment #microbiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Diagnosis: ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... #management #infectiousdiseases ... #treatment #microbiology
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
common route of infection ... +/- diarrhea Diagnosis ... #Hantavirus #diagnosis ... management #treatment #microbiology ... #infectiousdiseases
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... toxo IgG • CNS PCR ... including: M, avium, TB ... Syphilis • Pyogenic Abscess ... #differential #diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
for 4.6% of new infections ... emboli • Lung abscess ... Tuberculosis Diagnosis ... staining, NAA (PCR ... #Diagnosis #Management
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... tuberculomas, or abscesses ... of serum CrAg testing ... comparable to CSF testing ... opportunistic #InfectiousDiseases
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
- Diagnosis and ... susceptibility testing ... • Laboratory testing ... #Management #Microbiology ... #InfectiousDiseases