53 results
Gram Negative Bacteria - Identification Algorithm
- Rods (Bacilli)
- Cocci (Diplococci)
- Coccobacilli
- HACEK Group

By Dr. Colleen S.
Gram Negative Bacteria ... Algorithm - Rods (Bacilli ... Gram #Negative #Bacteria ... Identification #Algorithm #Microbiology ... #GNR #Cocci #Bacilli
Gram Positive Bacteria - Identification Algorithm
Cocci 
  - Catalase +
     -
Gram Positive Bacteria ... Gamma-Hemolysis Rods (Bacilli ... #GramPositive #Bacteria ... Identification #Algorithm #Microbiology ... #GPC #Cocci #Bacilli
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Bechet's Micro: TB ... HepB, HepC Bacterial ... Nodosum #Mnemonic #Causes
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Pre-transplant: • Common bacteria ... Gram-negative bacilli ... Engraftment: • Common bacteria ... Gram-negative bacilli ... differential #diagnosis #causes
HACEK is the acronym commonly used to describe and help doctors to remember a group of
Gram-negative bacilli ... which can also cause ... endocarditis is caused ... by HACEK bacteria ... endocarditis is caused
Infographic of common causes of acute otitis media and resistance mechanisms of these bacteria. 
Streptococcus pneumoniae
Haemophilus
Infographic of common causes ... mechanisms of these bacteria ... PenicillinBindingProtein #Resistance #microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... • Most common cause ... of: CAP, Bacterial ... media • Important cause ... Pneumoniae #strep #microbiology
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
intracellular rod-shaped bacteria ... tuberculosis (MDR-TB ... Droplets that contain bacilli ... Response: • Most bacteria ... lung disease, bacteremia
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Typically from TB ... patients with TB ... extrapulmonary cases ... active pulmonary TB ... - Spread of bacilli
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Endocarditis #Sources #Causes ... #Bacteria #Etiology ... #Differential #Microbiology