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ID Flashcards

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1
Q

When do diarrheal s/sx occur with toxigenic bacteria vs invasive bacteria? Which has systemic symptoms?

A 
Toxigenic= abrupt
Invasive = gradual with systemic s/sx
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2
Q

What is the classic food association for: staph aureus

A

Eggs/mayo

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3
Q

What is the classic food association for: bacillus cereus

A

Fried rice

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4
Q

What is the classic food association for: travel’s diarra

A

ETEC

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5
Q

What is the classic food association for: clostridium perfringens

A

Meat/poultry

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6
Q

What is the classic food association for: scromboid

what sort of rxn occurs?

A

Dark meat fish

histamine rxn

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7
Q

What is the classic food association for: ciguatera

what sort of rxn occurs

A

Carnivorous fish

Neuropathy

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8
Q

What is the classic food association for: salmonella

A

undercooked eggs/chicken

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9
Q

What are the s/sx of shigella?

A

Febrile, dysentery

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10
Q

What is the classic food association for: campylobacter

A

chicken

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11
Q

What is the classic food association for: yersinia

A

Farm animals

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12
Q

Which causes of diarrhea get abx?

A

Invasive causes–with systemic s/sx

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13
Q

When should you never give abx for diarrhea?

A

If kids or elderly with hematochezia (concern for HUS)

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14
Q

What is the classic food association for: vibrio parahaemolyticus?

A

Undercooked seafood

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15
Q

What is the classic food association for: EIEC

A

raw ground beef

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16
Q

Are there any sensory symptoms with botulinum?

A

No-pure motor

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17
Q

What are the D’s for the s/sx of botulinum poisoning?

A 
Diplopia
Dilated pupils
Dry mouth
Dysarthria
Dysphoria
Descending paralysis
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18
Q

Are there autonomic s/sx with MG?

A

No

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19
Q

How do the s/sx of tick paralysis differ from botulinum?

A

Ascending paralysis without bulbar s/sx

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20
Q

How does LGV present?

A

Vesicular lesion over the genitals with inguinal LAD

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21
Q

What are the classic skin lesions with disseminated gonnococcus?

A

Gunmetal gray small pustules

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22
Q

Who gets PEP for meningococcemia? What is the treatment?

A
  • If close enough to get droplets

- Rifampin, cipro, ceftriaxone (1 of these)

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23
Q

Who gets infected by MAC and what is the manifestation of this?

A

AIDS or immunosuppressed pts

Lung disease, bone marrow suppression

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24
Q

Who gets infected by mycobacterium marinum and what is the manifestation of this?

A

Skin infections in fisherman, fish handlers

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25
What are the physical manifestations of infx with Mycobacterium kansasii?
Lung disease
26
What are the physical manifestations of infx with Mycobacterium ulcerans?
Skin ulcers
27
What is the Ghon complex associated with TB? Ranke complex?
- Calcified primary TB complex | - above + calcified hilar lymph nodes
28
Which TB drug causes orange body secretions?
Rifampin
29
Which TB drug causes optic neuritis?
Ethambutol
30
Diffuse erythroderma + fever + hypotension in an ill appearing young menstruating female = ?
STSS
31
What is the classic vector for histoplasmosis? Where is it classically seen?
bird or bat poop in the mississippi river valley
32
What is the treatment for toxoplasmosis?
Pyrimethamine
33
Which type of malarial parasite causes severe infection and can lead to encephalopathy/cerebral edema?
Falciparum
34
What are the stains that are used to diagnose malaria?
Giemsa or wright stain | Thick and thin smears
35
What is ehrlichiosis?
Tick borne illness that causes flu-like illness +/- rash
36
What is the treatment for ehrlichiosis?
Doxycyline
37
What are the s/sx of hantavirus infection?
ARDS picture | Thrombocytopenia
38
What is the treatment for hantavirus?
Supportive care
39
At what CD4 count does TB become a concern?
less than 500
40
At what CD4 count does PCP pneumonia become a concern?
Less than 200
41
At what CD4 count does Toxoplasmosis become a concern?
Less than 100
42
At what CD4 count does MAC become a concern?
Less than 50
43
At what CD4 count does Cryptococcus become a concern?
Less than 100
44
What infections become a concern when CD4 count falls below 500?
TB
45
What infections become a concern when CD4 count falls below 200?
PCP pneumonia | Histoplasmosis
46
What infections become a concern when CD4 count falls below 100?
Toxoplasmosis | Cryptococcus
47
What infections become a concern when CD4 count falls below 50?
MAC
48
When should PEP start for HIV
Within 72 hours of exposure
49
What are the classic symptoms of PCP pneumonia?
DOE | Dry cough
50
At what PaO2 level are steroids indicated for PCP pneumonia?
Less than 70
51
What are the first and second line agent for PCP pneumonia?
Bactrim | Pentamadine
52
What is the major side effect of pentamidine?
Hypoglycemia
53
What lab test is elevated with PCP pneumonia?
LDH
54
Do rabbits carry rabies? Rodents?
Negative
55
How does the rahs begin and spread with roseola?
Trnk then goes to head and neck
56
What are the three Cs of measles prodrome?
Cough Coryza Conjunctivitis
57
How does the rash spread and progress for measles?
Head down
58
What happens to the color of the rash with measles?
Turns from red to brown
59
What are the three types of anthrax disease?
Cutaneous Gastrointestinal Pulmonary
60
What is the treatment for anthrax?
Doxy or cipro
61
What are the s/sx of cutaneous anthrax?
Black eschar that forms
62
What type of pneumonia can develop with anthrax?
Mediastinitis
63
Can anthrax be transmitted from person to person?
No--must inhale spores

Hippos (23 decks)

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