Some Other General Micro Stuff Flashcards
Dominant Skin Flora
S. epidermidis
Dominant Nose Flora
S. epidermidis, colonized by S. aureus
Dominant Oropharynx Flora
Viridans group streptococci
Dental Plaque Bacteria
S. Mutans
Dominant Colon Flora
B. fragilis>E. coli
Dominant Vaginal Flora
Lactobacillus, colonized by E. coli and group B strep
Dominant Vaginal Flora
Lactobacillus, colonized by E. coli and group B strep
Food Poisoning from Rice
B. cereus
Food Poisoning from Improperly Canned Foods
C. botulinum
Food Poisoning from Reheated Meat Dishes
C. perfringens
Food Poisoning from Undercooked Meat
E. coli O157:H7
Food Poisoning from Poultry, Meat, Eggs
Salmonella
Food Poisoning from Meats, Mayonnaise, Custard
S. aureus (preformed toxin)
Food Poisoning from Contaminated Seafood
V. parahaemolyticus and V. vulnificus
Food Poisoning from Contaminated Seafood
V. parahaemolyticus and V. vulnificus
Bugs Causing Bloody Diarrhea
Campylobacter E. histolytica EHEC EIEC Salmonella Shigella Y. enterocolitica
Bugs Causing Watery Diarrhea
C. difficile C. perfringens (also causes gas gangrene) ETEC (traveler's diarrhea) Protozoa (giardia and cryptosporidium) V. cholerae Viruses (rotavirus, norovirus)
Pneumonia in Neonates
Group B streptococci
E. coli
Pneumonia in Children (>4 weeks)
Viruses (RSV) Mycoplasma C. trachomatis C. pneumoniae S. pneumoniae
Pneumonia in Adults 18-40
Mycoplasma
C. pneumoniae
S. pneumoniae
Pneumonia in Adults 40-65
S. pneumoniae H. influenze Anaerobes Viruses Mycoplasma
Pneumonia in Elderly
S pneumoniae Influenza virus Anaerobes H influenzae Gram negative rods
Meningitis in Newborn
Listeria
E. coli
Group B strep
Meningitis in Children (6mo-6yr)
S. pneumoniae
N. meningitidis
H. influenzae B
Enteroviruses
Meningitis from 6-60 years
S pneumoniae
N meningitidis
Enteroviruses
HSV
Meningitis 60+
S. pneumoniae
Gram negative rods
Listeria
Empirical Treatment for Meningitis
Ceftriaxone and vancomycin (add ampicillin if Listeria suspected)
Viral Causes of Meningitis
Enteroviruses HSV2 (HSV1=encephalitis) HIV West Nile VZV
Osteomyelitis Most Common, Sexually Active, Diabetics/IV drugs, Sickle Cell, Prosthetic Joint, Vertebral involvement, cat and dog bites
Most common: S. aureus
Sexually active: Neisseria gonorrhoeae (septic arthritis more common)
Diabetics/IV drugs: Pseudomonas aeruginosa, Serratia
Sickle cell: salmonella
Prosthetic joint: S aureus/S epidermidis
Cat and dog bites: Pasteurella multocida
UTI Bugs
E. Coli (leading cause)
S. Saprophyticus (2nd leading cause; in sexually active women)
Klebsiella pneumoniae (3rd leading cause–associated with catheters)
Serratia
Enterobacter
Proteus mirabilis (urease + and produces struvite stones), Pseudomonas aeruginosa
Pneumonia in Alcoholic/IV Drug User
S. pneumoniae
Klebsiella
Staphylococcus
Pneumonia in CF
Pseudomonas
S. aureus
S. pneumoniae
Atypical Pneumonia
Mycoplasma
Legionella
Chlamydia
ToRCHeS Infections (mother to fetus)
Toxoplasma gondii Rubella CMV HIV Syphilis
Red Rashes of Childhood
Coxsackievirus type A (Hand-foot-mouth disease)
HHV-6 (Roseola: several days of high fever followed by a macular body rash)
Measles virus (descending rash preceded by cough, coryza, conjunctivitis, and koplik spots)
Parvovirus B19 (Slapped cheek rash)
Rubella (Descending fine truncal rash with postauricular lymphadenopathy)
Streptococcus pyogenes (scarlet fever: “sandpaper like rash”)
VZV (Chickenpox: vesicular rash on trunk spreading to face and extremities)
Red Rashes of Childhood
Coxsackievirus type A (Hand-foot-mouth disease)
HHV-6 (Roseola: several days of high fever followed by a macular body rash)
Measles virus (descending rash preceded by cough, coryza, conjunctivitis, and koplik spots)
Parvovirus B19 (Slapped cheek rash)
Rubella (Descending fine truncal rash with postauricular lymphadenopathy)
Streptococcus pyogenes (scarlet fever: “sandpaper like rash”)
VZV (Chickenpox: vesicular rash on trunk spreading to face and extremities)
Two Most Common Causes of Nosocomial Infections
E. coli (UTI from catheter)
S. aureus (wound infection)
Seven Other Nosocomial Infections (Not E. coli or S. aureus)
C. albicans (hyperalimentation) CMV/RSV (newborn nursery) P. mirabilis (catheter) HBV (renal dialysis unit) Legionella (water aerosols) P. aeruginosa (respiratory therapy equipment)
