30 results
Fusarium on Culture and Microscopy
Collecting a sample for culture from the eye is never fun, but
on Culture and Microscopy ... & reverse) 2) microscopic ... Eye infections are ... Fusarium #Culture #Microscopy ... #clinical #microbiology
Moraxella catarrhalis on culture and microscopy
Only 1-5% of adults are colonized with this Gram neg diplococci
on culture and microscopy ... Neissseria spp. negative ... ) - Gram negative ... catarrhalis #culture #microscopy ... #clinical #microbiology
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... testing (TST) False-negative ... TB AFB smear microscopy ... because false-negative ... sample = 95% • A negative
Clinical Manifestations of Human Herpes Viruses (HHV)

Herpes simplex virus 1	HSV-1	Frequently subclinical (80-90%) Oral lesions (10-20%) congenital
Clinical Manifestations ... 20%) congenital infection ... #Viruses #HHV #Microbiology ... #Diagnosis #Comparison
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... overlook severe infections ... likelihood of negative ... clinical outcomes ... neutrophil #WBC #CBC #hematology
Acinetobacter baumanii on culture and microscopy
 - MacConkey agar - Lactose Negative
 - gram negative (often
on culture and microscopy ... agar - Lactose Negative ... - gram negative ... Acinetobacter #baumanii #clinical ... #microscopy #microbiology
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
• India ink - "Negative ... Fungal #Stains #microbiology ... #microscopy #staining ... fungi #fungus #comparison
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
high index of clinical ... serology: Serial negative ... Frequent false-negative ... large infarct - Infectious ... #Endocarditis #comparison
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Polyclonal - Viral Infection ... Clinical Presentation ... for anti-C3d and negative ... hemolytic #anemia #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... e.g., HIV), EBV infection ... Autoimmune diseases • Clinical ... Etiology: - Infections ... #NonHodgkins #comparison