5 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB AFB smear microscopy ... Mycobacterial culture ... Liquid and solid cultures ... Mycobacterial culture ... LatentTB #ActiveTB #InfectiousDiseases
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
Fluorochrome that binds ... preparation from culture ... #microbiology #microscopy
Fever of Unknown Origin (FUO) Diagnostic Algorithm
STEP 1 Perform a comprehensive history and complete physical examination.
STEP
urinalysis with microscopy ... releasing assay, blood cultures ... Diagnosis #Algorithm #infectiousdiseases
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
function • Blood culture ... dipstick test, microscopic ... examination, culture ... Differential #Diagnosis #InfectiousDiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
• Confirmed by culture ... Aspergillosis Pathophysiology ... Diagnosis: • Culture ... positive blood cultures ... ) #Mycoses #InfectiousDiseases