20 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... biopsy only if serology ... endoscopy only if: • Negative ... Gastrointestinal #Evaluation #workup ... #diagnosis #gastroenterology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
BCNIE Diagnostic ... factors: - Serology ... #Endocarditis #diagnosis ... #differential #workup ... #infectiousdiseases
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
testing (TST) False-negative ... because false-negative ... sample = 95% • A negative ... #Workup #TB #Latent ... LatentTB #ActiveTB #InfectiousDiseases
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE) - Diagnosis ... • Immunologic Workup ... pANCA anti-MPO - Negative ... Erythematosus #Diagnosis ... Management #Summary #rheumatology
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
joint) - 5 points Serology ... at least 1): Negative ... RF, negative anti ... Rheumatoid #Arthritis #diagnosis ... Classification #rheumatology
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Gonococcal Infection - Diagnosis ... spread of the Gram-negative ... Laboratory Diagnosis ... typically part of the workup ... #Microbiology #InfectiousDiseases
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
is required for diagnosis ... : Serial negative ... Frequent false-negative ... : + (Negative blood ... #Endocarditis #comparison
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
Tularemia - Diagnosis ... fastidious gram-negative ... underlying conditions Diagnosis ... : Serology (preferred ... management #treatment #infectiousdiseases
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... pANCA anti-MPO - Negative ... druginduced #lupus #sle #comparison ... #table #rheumatology ... #diagnosis #management
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
Coccidiomycosis - Diagnosis ... Diagnosis: • Mildly ... Culture (ElA may be negative ... #Coccidioides #Diagnosis ... #workup #infectiousdiseases