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Logan Step 1 High Yield > Gram (-) Bugs > Flashcards

Gram (-) Bugs Flashcards

1
Q

3 bugs to think of if ferment on MacConkey’s

A

Kleb
E.Coli
Serratia

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2
Q

Treat vs prophylaxis of close contacts for N.meningitis

A

Treat = ceftriaxone

Close contacts = rifampin

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3
Q

Does N.meningitis or gonorrhea have a polysaccharide capsule, ferment maltose, and a vaccine

A

Meningitis

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4
Q

N.meningitis pathophys

A 
Increase cap perm -> hypovolemia
Net vasoconstriction 
Adrenals get under profused 
TCP -> petechiae -> purpura as a sign of impending DIC
COMBO all = septic shock
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5
Q

Presentations of N.gonorrhea

A 
Gonorrhea - white, pus discharge 
PID 
Fitz Hugh Curtis = liver adhesions
*Septic arthritis 
*Neonatal conjunctivitis (within 1st few days of life) vs chlamydia - 1 wk after birth
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6
Q

4 diseases of H.influ

A

Epiglottitis
Meningitis
Otitis media
Pna

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7
Q

Culture H.influ

A

Chocolate agar + factor 5 and 10

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8
Q

Treat H.influ: mucosal vs meningitis vs prophylaxis

A

Treat w/ amoxicillin
Meningitis w/ ceftriaxone
- Rifampin for prophyaxis

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9
Q

Culture + stain legionella

A

Silver stain

Charcoal plate w/ iron + cysteine

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10
Q

2 major diseases from legionella + treat

A 
Legionnaires = bad pna, unilateral in 1 lobe
- Diarrhea
- Hyponatremia 
Pontiac fever = flu like
Macrolides or fluoro
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11
Q

PSEUDDO mnemonic for pseudomonas symptoms/causes

A 
Pna
Sepsis
(Otitis) Externa = swimmer's ear
UTIs
Drug use
Diabetes
Osteomyelitis
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12
Q

Pseudomonas skin rashes

A
  1. Hot tub folliculitis
  2. Ecthyma gangrenosum - IC pts, rapid cutaneous necrosis
  3. Burn victims
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13
Q

EColi virulence factor that is going to give you pna and neonatal meningitis

A

K capsule

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14
Q

EColi virulence factor that is going to give you cystitis and pyelonephritis

A

Fimbriae

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15
Q

What is the common virulence factor to all gram neg bacteria that can produce septic shock

A

LPS as an endotoxin

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16
Q

EIEC diarrhea type

A

Invasive - into mucosa

Bloody diarhea

17
Q

ETEC diarrhea type

A

T = travelers

EnteroToxins -> watery

18
Q

EPEC diarrhea type

A

Kids diarrhea

No toxins - flatter villi so less absorption

19
Q

EHEC diarrhea type

A

SHIGA TOXIN -> worry about HUS

Bloody diarrhea

20
Q

Triad of HUS

A 
Anemia
TCP
Acute renal failure 
Thrombi in endothelium -> mechanical hemolysis as blood flows through shearing
Use platelets to stop bleeding 
Decrease renal BF
21
Q

4 A’s of Klebsiella

A

Aspiration pna - currant red sputum
Abscess in lungs
Alcoholics aspirate GI flora
di-A-betics = IC

22
Q

Campylobacter transmission

A

Contaminated chicken

23
Q

Comma shaped bacteria w/ rice water diarrhea

A

Vibrio cholerae

24
Q

Yersinia transmission and symptoms

A

Pet feces

Bloody diarrhea

25
Treat H.pylori
2 antibiotics + PPI
26
3 spirochetes
Borrelia Leptospira Treponema

Logan Step 1 High Yield (7 decks)

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