Microbiology Flashcards
How do you know it’s an anaerobe?
Gas, bad odor
What makes an adequate sputum sample?
25 leukocytes per low power field
What bug causes acute bacterial endocarditis?
Strep viridians (attacks damaged valves)
How do you diagnosed Rheumatic Fever?
Need at least 2 “SPECC”
Subcutaneous nodules Polyarthritis Erythema Marginatum (red margins) Chorea (Sydenham's) Carditis (MS>AS>TS) "MAT"
What are the only Gram - diplococci?
Neisseria
What is the only Gram + diplococci?
Streo pneumo
What bugs cause heart block onfections?
“Dont TeLL Chaga”
Diphtheria Typhoid fever (salmonella typhii) Legionella Lyme disease Chagas disease (Whipple's)
What are the IgA protease bugs?
Strep pneumo
H. influenza
Neisseria catt
What do the IgA protease bugs cause?
Sinusitis, otitis media, pneumonia, bronchitis
What are the simple Gram-bugs?
“simple HE”
H-influenza
E.coli
What are the atypical (no cell wall) bacteria?
"CLUMsy" Chlamydia Legionella Ureaplasma Mycoplasma
What is the only Gram + endotoxin?
Listeria
What are the Gram - exotoxins?
H influenza, Bordetella Pertussis
What are the spore forming Gram + bacteria?
Bacillus anthracis, Clostridium botulinum
What bugs cause walking pneumonia?
"Come My Love for a walk? 0-2 mo: Chlamydia pn 10-30 y: Mycoplasma pn >40 y: Legionella pn AIDS/Premies: Pneumo Jirovecii
What causes Cryoglobulinemia?
"I AM HE" Influenza Adenovirus Mycoplasma Hep B, C EBV
What are the Silver Stainers?
"HaLV-C=Comma" H. pylori Listeria Vibrio Campylobacter
What bacteria cause diarrhea
“CBS”
Clostridium
Bacillus cereus
Staph aureus
What are the Gram - capsules?
“Some Killers Have Pretty Nice Capsules”
Salmonella Klebsiella H influenza B Pseudomonas Neisseria Citrobacter
What is the Gram + Capsule?
Strep Pneumo
What are the Urease + bugs?
"Urease PPUNCH" Proteus Pseudomonas Ureoplasma Nocardia Cryptococcus H Pylori
What bugs cause Monocytosis?
"STELS" Syphilis TB EBV Listeria Salmonella
What are the big Mama Anaerobes?
Bacteroides fragilis
Strep Bovis
C. septicum
What bugs disrupt G proteins?
Pertussis: inhibits Gi
Cholera: Stimulates Gs
E. coli: Stimulates Gs
What bacterias causes UTIs and prostatitis?
E.coli
Proteus
Klebsiella
Pseudomonas
What bug is associated w/cat scratch?
Bartonella henselae
What bug is associated w/cat saliva?
Pasturella multocida
WHat bug is associated w/ cat pee?
Toxoplasmosis
What bug is associated w/cat caca?
Toxocara cati
What disease are caused by the Ixodes Tick?
Lyme disease -bull’s eye lessions
Babesiosis - hemolytic anemia
Ehrlichiosis - puncture near eye
What bug causes hospital abscesses?
Day 1-3: Staph aureus - lots of O2
Day 4-7: Strep viridans: no enzymes
Day >7: Anaerobes - PMNs
What kind of patients does Staph and Pseudomonas like to attack?
DM
Cystic fibrosis pt
Burns pts
Neutropenic pts
What disease have granulomas?
TB Sarcoidosis Syphilis Histiocytosis X The -ellas
What disease provide malaria protection?
Sickle cell: AAs
G-6PD: Mediterraneans
What bug causes multiple liver abscesses?
Entamoeba histolytica
What bug causes multiple cerebral abscesses?
Citrobacter
What has multiple lung aneurysms?
Osler-Weber-Rendu
What bugs cause Loeffler syndrome?
"NASSA" Necator americanus Ancylostoma duodenale Schistosomiasis Strongyloides Ascaris lumbricoides
What is the symptom of Loeffler syndrome?
Pulmonary eosinophilia
What is PIE syndrome?
Pulmonary Infiltrate w/ Eosinophilia
What disease have PIE syndrome?
Aspergillus, Loeffler’s, Churg-Strauss
What disease does Coxsackie A cause?
Hand-foot-mooth disease
What disease does Coxsackie B cause?
Endocarditis, DM type 1
What bugs cause Meningitis?
0-2mo: “baby BEL”
Group B strep
E coli
Listeria
> 2mo: Strep pneumo
10-21y/o: N. meningitidis
What are the CSF lab vales for Meningitis?
PMNs-> bacteria
T cells/MP->nonbacterial
Normal glucose -> viral
What does the Hep B Core Ag tell you?
Gone before pt has symptoms (2 mo)
What does the core Ab tell you?
Past infection