Infections Flashcards

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1
Q

regional LAN with scattered, discrete lesions. They are painful, tender and have crust on them

A

non-bullous impetigo

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2
Q

dark brown bullae with a negative nikolsky sign

A

bullous impetigo

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3
Q

For MRSA use doxy. If critically ill and with MRSA use Vanco or linezolid

A

impetigo

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4
Q

systemic treatment for this includes dicloxacillin, augmentin and keflex.

what would you do for a PCN allergy in this disease?

A

impetigo

PCN allergy = macrolide

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5
Q

For MSSA use Keflex, for MRSA use Doxy or Bactrim

A

folliculitis

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6
Q

Acute, deep seated, red, hot, tender nodule or abscess

A

furuncle

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7
Q

Nodule with cavitation after drainage in any hair bearing region

A

furuncle

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8
Q

treat with bactrim, doxy or clinda and a warm compress

A

furuncle (ABX only if red/hot/tender)

also for carbuncles!

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9
Q

Deeper connection of interconnected furuncles

A

Carbuncle

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10
Q

MC found on the nape of the neck, back and thighs

A

carbuncle

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11
Q

for a carbuncle that is rapidly growing and has toxic s/s what is the treatment

A

admission with vancomycin

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12
Q

Rapid progression of infection with extensive necrosis of soft tissues and overlying skin

A

necrotizing fasciitis

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13
Q

caused by GABHS, pseudomonas, and clostridium

A

necrotizing fasciitis

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14
Q

malnutrition, DM, ETOH abuse, Liver dx, CKD are all risk factors for what?

A

necrotizing fasciitis

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15
Q

presents with cyanosis, muscle weakness, skin pallor and hyperesthesia as well as foul smelling exudates and pain out of proportion to exam

A

necrotizing fasciitis

remember this can also have vescicles, bullae, or eschar!!

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16
Q

a rapidly progressing wound that can be erythematous with pallor and gas crepitus.

A

necrotizing fasciitis

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17
Q

clinda, carbapenems, unasyn, and vanc for MRSA is used for what?

A

necrotizing fasciitis.

depends on culture and gram stain!

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18
Q

Acute, superficial infection of the dermis and dermal lymphatic vessels

A

erysipelas

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19
Q

if a patient has an indwelling device and is being treated for an abscessed folliculitis what type of therapy must they undergo

A

abx therapy

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20
Q

MC in young children or older adults. Usually d/t GABHS

A

erysipelas

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21
Q

pt presents with a prodrome of fever and chills. On her arm is multiple lesions that are painful and hot to the touch. they are described as edematous plaques with sharp borders. She believes it originated from a small bite from her cat. what is the treatment for this patient?

A

erysipelas secondary to cat bite: treat with augmentin

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22
Q

Acute infection of the dermis and subcutaneous tissue

A

cellulitis

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23
Q

pasteurella multocida is associated with which disease and what exposure?

A

cellulitis in exposure for cats/dogs

24
Q

which disease is aeromonas associated with and what exposure is it related to

A

cellulitis and freshwater exposure.

25
Q

A patient presents and she has a prodrome of fever/chills. she reports an erythematous area on her leg which on is painful, hot to the touch and has indistinct borders. What is the diagnosis? if they got admitted, what would IV management be in this patient?

A

cellulitis

MRSA: vanco 1st, dapto 2nd
MSSA: cefazolin, clinda, nafcillin

26
Q

PVD, tinea pedis, and lymphatic drainage are all risks for what disease

A

cellulitis

also anything that breaks the skin like IVDU, piercings, bites, ect (and immunocomp)

27
Q

MRSA: vanco 1st, dapto 2nd
MSSA: cefazolin, clinda, nafcillin

A

inpatient IV management for cellulitis/erysipelas

28
Q

MRSA: clinda 1st, amox + bactrim or doxy

what is this for and what would the treatment be for MSSA?

A

oral management for cellulitis/erysipelas

MSSA: keflex, nafcilin, clinda

29
Q

what is eikenella and how do we treat it

A

bacteria found often with human bites (ew). we can treat it with augmentin!

30
Q

if im fishing w my dad in a texas river and get a small cut but decide to clean it out w the water and develope cellulitis what ABX would you treat me with

A

cipro

(take a “cip” of freshwater - viv)

31
Q

if i go scuba diving at the beach and cut myself and wash it out with water from the beach and develop cellulitis what would you treat me with

A

doxy!

salt at the dock(xy)

32
Q

etiologies include GAS, staph and HSV!

also mycobacterium marinum

A

lymphangitis

33
Q

Dicloxacillin or 1st gen cephalo (keflex)
MRSA: clinda or bactrim

A

lymphangitis

34
Q

steroid or antibiotic use as well as hyperhidrosis are risk factors for what

A

cutaneous candidiasis

35
Q

satellite lesions that are macerated and pruritic

A

cutaneous candidiasis

36
Q

if a patient has mild folliculitis what is the treatment?

A

warm compresses with a BPO wash.

ABX only indicated for moderate-severe folliculitis!

37
Q

Inflammation of the Glans penis

A

balanitis

38
Q

Unique group of fungi capable of infecting non-viable keratinized cutaneous structures (stratum corneum, nails, hair)

A

dermatophyte

39
Q

MC dermatophyte

A

trichophyton

40
Q

when do you use a woods lamp and what would it show? what would a KOH prep show in this scenario?

A

for dermatophyte testing, it would show microsporum

KOH = hyphae and spores

41
Q

when do you use topical allylamines and what are the topical allylamines

A

tx of tineas and systemic tx of dermatophytes
naftifine and terbinafine

42
Q

an infection outside of the hair shaft that leaves a gray patch with a scaly appearance

A

ectothrix

43
Q

an infection within the hair shaft that leaves a black dot appearance

A

endothrix

44
Q

alopecia with scaling and pruiritis. adenopathy is present.

A

non-inflammatory tinea capitis

45
Q

alopecia that is painful and tender is likely what dianosis

A

inflammatory tinea capitis

46
Q

what is the MCC of endothrix

A

T tonsurans or violaceum

47
Q

a large mass on a patients head with boddy, purulent inflamed nodules and plaques.

what is this and what is the MCC

A

kerion.

T verrucosum and mengatophytes

48
Q

Perifollicular erythema and matting of hair that is malodours and leaves scarring

A

favus

49
Q

can treat with PO terbinafine or griseofulvin

A

tinea capitis

along with ketoconazole shampoo

50
Q

Large scaling, well-demarcated plaques, Central clearing, Papules/pustules at margins. found in inguinal folds and thighs. what is this and how do you treat it

A

tinea cruris (jock itch)

tx with topical ketoconazole or econazole. if that fails use PO griseofulvin.

51
Q

if ring worm is very large or if it fails topical treatment, what is the next step in treatment and how long do you treat it

A

terbinafine orally for 4 weeks

52
Q

where is interdigital tinea pedis MC

A

between 4th and 5th toe

53
Q

Extension of interdigital tinea pedis onto plantar and lateral foot, presenting with a secondary bacterial infection

A

ulcerative tinea pedis

54
Q

which tinea is NOT a dermatophyte infection

A

tinea versicolor

55
Q

KOH showing Hyphae and budding yeast spaghetti and meatballs

A

tinea versicolor

56
Q

tx with selenium sulfide or zinc pyrithion and ketoconasole

A

tinea versicolor

57
Q

do you need a nap now?

A

so does rhys