17 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Patterns #Diagnosis #Comparison ... #Presentation #Pulmonary
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
failure • Severe pulmonary ... manifestations • MAT microscopic ... Leptospirosis #Leptospira #microbiology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... Diagnosis for Pulmonary ... polyangiitis, Microscopic ... polyangiitis) - ANCA-negative
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
Acinetobacter baumanii on culture and microscopy
 - MacConkey agar - Lactose Negative
 - gram negative (often
on culture and microscopy ... agar - Lactose Negative ... - gram negative ... baumanii #clinical #microscopy ... #microbiology #
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
testing (TST) False-negative ... TB AFB smear microscopy ... because false-negative ... sample = 95% • A negative ... used to exclude pulmonary
Cryptococcus vs Blastomyces
C.neoformans - C.gattii - Blastomyces dermatitidis

Dr. Sara Dong @swinndong

#Cryptococcus #Blastomyces #comparison #pathology #microscopy #diagnosis
#Blastomyces #comparison ... #pathology #microscopy ... #diagnosis #microbiology
The Relative Size of Particles
From the COVID-19 pandemic to the U.S. West Coast wildfires, some of
The Relative Size ... also the most microscopic ... a look at the relative ... #Particles #Relative ... bacteria #pollen #comparison
Strongyloides Stercoralis on sputum microscopy
As many suggested this was strongyloides stercoralis hyperinfection syndrome.
Infection is initiated by
Stercoralis on sputum microscopy ... bloodstream to the pulmonary ... Stercoralis #sputum #microscopy ... strongyloidiasis #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