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ID Flashcards

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
Q

What are the physical manifestations of infx with Mycobacterium kansasii?

A

Lung disease

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26
Q

What are the physical manifestations of infx with Mycobacterium ulcerans?

A

Skin ulcers

27
Q

What is the Ghon complex associated with TB? Ranke complex?

A
  • Calcified primary TB complex

- above + calcified hilar lymph nodes

28
Q

Which TB drug causes orange body secretions?

A

Rifampin

29
Q

Which TB drug causes optic neuritis?

A

Ethambutol

30
Q

Diffuse erythroderma + fever + hypotension in an ill appearing young menstruating female = ?

A

STSS

31
Q

What is the classic vector for histoplasmosis? Where is it classically seen?

A

bird or bat poop in the mississippi river valley

32
Q

What is the treatment for toxoplasmosis?

A

Pyrimethamine

33
Q

Which type of malarial parasite causes severe infection and can lead to encephalopathy/cerebral edema?

A

Falciparum

34
Q

What are the stains that are used to diagnose malaria?

A

Giemsa or wright stain

Thick and thin smears

35
Q

What is ehrlichiosis?

A

Tick borne illness that causes flu-like illness +/- rash

36
Q

What is the treatment for ehrlichiosis?

A

Doxycyline

37
Q

What are the s/sx of hantavirus infection?

A

ARDS picture

Thrombocytopenia

38
Q

What is the treatment for hantavirus?

A

Supportive care

39
Q

At what CD4 count does TB become a concern?

A

less than 500

40
Q

At what CD4 count does PCP pneumonia become a concern?

A

Less than 200

41
Q

At what CD4 count does Toxoplasmosis become a concern?

A

Less than 100

42
Q

At what CD4 count does MAC become a concern?

A

Less than 50

43
Q

At what CD4 count does Cryptococcus become a concern?

A

Less than 100

44
Q

What infections become a concern when CD4 count falls below 500?

A

TB

45
Q

What infections become a concern when CD4 count falls below 200?

A

PCP pneumonia

Histoplasmosis

46
Q

What infections become a concern when CD4 count falls below 100?

A

Toxoplasmosis

Cryptococcus

47
Q

What infections become a concern when CD4 count falls below 50?

A

MAC

48
Q

When should PEP start for HIV

A

Within 72 hours of exposure

49
Q

What are the classic symptoms of PCP pneumonia?

A

DOE

Dry cough

50
Q

At what PaO2 level are steroids indicated for PCP pneumonia?

A

Less than 70

51
Q

What are the first and second line agent for PCP pneumonia?

A

Bactrim

Pentamadine

52
Q

What is the major side effect of pentamidine?

A

Hypoglycemia

53
Q

What lab test is elevated with PCP pneumonia?

A

LDH

54
Q

Do rabbits carry rabies? Rodents?

A

Negative

55
Q

How does the rahs begin and spread with roseola?

A

Trnk then goes to head and neck

56
Q

What are the three Cs of measles prodrome?

A

Cough
Coryza
Conjunctivitis

57
Q

How does the rash spread and progress for measles?

A

Head down

58
Q

What happens to the color of the rash with measles?

A

Turns from red to brown

59
Q

What are the three types of anthrax disease?

A

Cutaneous
Gastrointestinal
Pulmonary

60
Q

What is the treatment for anthrax?

A

Doxy or cipro

61
Q

What are the s/sx of cutaneous anthrax?

A

Black eschar that forms

62
Q

What type of pneumonia can develop with anthrax?

A

Mediastinitis

63
Q

Can anthrax be transmitted from person to person?

A

No–must inhale spores

Hippos (23 decks)

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