30 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... as a cause of a negative ... Sweet's Syndrome, hidradenitis ... Autoimmune: Crohn's disease ... Differential #Diagnosis #InfectiousDiseases
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
and Management Summary ... • Immunologic Workup ... pANCA anti-MPO - Negative ... life-threatening • Treatment ... Evolution: Chronic disease
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
and Management Summary ... fastidious gram-negative ... Culture & GS, PCR Treatment ... : • Severe Disease ... #infectiousdiseases
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
and Management Summary ... necrosis, Lyme disease ... viral arthritis Workup ... arthritis diagnosis Treatment ... staphylococcus, gram negative
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Listeriosis Summary ... Gastroenteritis → Invasive disease ... culture (Invasive disease ... diagnosis #management #infectiousdiseases ... #treatment #microbiology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
specificity - Falsely negative ... ) - May be negative ... HLA-DQ8 - High negative ... Reflects response to treatment ... Tests #Diagnosis #Workup
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Listeriosis Summary ... Gastroenteritis → Invasive disease ... culture (Invasive disease ... diagnosis #management #infectiousdiseases ... #treatment #microbiology
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
and Management Summary ... spread of the Gram-negative ... typically part of the workup ... #Microbiology #InfectiousDiseases
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... • Some false negative ... with response to treatment ... IgG4 #Related #Disease ... management #phenotypes #workup
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
intermediate risk of disease ... because false-negative ... sample = 95% • A negative ... Testing #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases