19 results
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Gram Stain - Bacteria ... Anaerobic, Curved • Cocci ... : Anaerobes Gram ... Catalase- • Cocci ... #Stain #Bacteria
Gram Negative Bacteria - Identification Algorithm
- Rods (Bacilli)
- Cocci (Diplococci)
- Coccobacilli
- HACEK Group

By Dr. Colleen S.
Gram Negative Bacteria ... Rods (Bacilli) - Cocci ... Emory_MedMicro #Gram ... #Negative #Bacteria ... Microbiology #GNR #Cocci
Gram Positive Bacteria - Identification Algorithm
Cocci 
  - Catalase +
     -
Gram Positive Bacteria ... Identification Algorithm Cocci ... #GramPositive #Bacteria ... Microbiology #GPC #Cocci
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-positive ... cocci in clumps ... Gram-negative rods ... monocytes; no bacteria ... Few PMNs; no bacteria
Gram Positive Cocci - Bacteria Identification Algorithm
Catalase(+)
 - Coag(+): Staphylococcus aureus
 - Coag(-)
Gram Positive Cocci ... - Bacteria Identification ... #GramPositive #cocci ... #microbiology #bacteria
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Pre-transplant: • Common bacteria ... Staphylococci (skin), Gram-negative ... Engraftment: • Common bacteria ... Staphylococci (skin), Gram-negative ... diagnosis #causes #infectiousdiseases
Guide to Interpretation of Positive Blood Cultures

I arrange the potential Gram stain results that one can
the potential Gram ... (+) cocci, Gram( ... rods, Gram(–) cocci ... Gram(+) cocci are ... ‘Shape’ of the bacteria
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... Enterococci - Gram-negative ... #Endocarditis #Bacteria ... #Differential #InfectiousDiseases
Antibiotic Stewardship: Shorter is Better 
CAP 
HAP 
VAP 
Intra-abd 
Gram Neg Bacteremia 
AECB 
Cellulitis 
Osteo 
Septic
Intra-abd Gram ... Neg Bacteremia ... #Stewardship #InfectiousDiseases
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
lobes (unlike bacterial ... space) • ElA for Cocci ... Immunodiffusion for Cocci ... & Blood & CSF (Cocci ... Diagnosis #workup #infectiousdiseases