45 results
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... hemoptysis, diarrhea Diagnosis ... first line of treatment ... #microbiology #diagnosis ... #infectiousdiseases
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
fastidious gram-negative ... : Serology (preferred ... Culture & GS, PCR Treatment ... #management #treatment ... #infectiousdiseases
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
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
Coccidiomycosis - Diagnosis ... Diagnosis: • Mildly ... trend response to treatment ... Culture (ElA may be negative ... #workup #infectiousdiseases
Phimosis 
Inability to retract the foreskin - Can be normal up to 3 years old -
after age 4 Treatment ... #Paraphimosis #Comparison ... #Diagnosis #Urology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... disease) - May be negative ... Reflects response to treatment ... Laboratory #Tests #Diagnosis ... #Workup #Table
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
infections • Gram-negative ... fusiform gram-negative ... Treatment: • 50% ... microbiology #zoonotic #infectiousdiseases ... #treatment
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