20 results
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... • Immunologic Workup ... pANCA anti-MPO - Negative ... life-threatening • Treatment ... Evolution: Chronic disease
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
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... • Immunologic Workup ... pANCA anti-MPO - Negative ... life-threatening • Treatment ... Evolution: Chronic disease
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
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
fastidious gram-negative ... Culture & GS, PCR Treatment ... : • Severe Disease ... diagnosis #management #treatment ... #infectiousdiseases
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
infections • Gram-negative ... ), Malignancy, SLE ... fusiform gram-negative ... Treatment: • 50% ... microbiology #zoonotic #infectiousdiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
microbiological techniques Work-up ... See charts - ... exists Infectious Diseases ... #differential #workup ... #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
Hematuria in Post-Renal Transplant Patient
Prevalence up to 12% in the postrenal transplant patient
 • Bacterial: Escherichia
cell carcinoma (native ... , Busulfan • Disease ... Goodpasture's syndrome, SLE ... urine #management #treatment