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Peds Clerkship > ID > Flashcards

ID Flashcards

1
Q

Gonococcal conjunctivitis:
Timing?
tx?
associated s/s?

A 
day 2-5

Tx topical erythromycin + IV ceftriaxone

can cause corneal ulceration
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2
Q

Chlamydia conjunctivitis:
Timing?
tx?
associated s/s?

A

day 5-14

Tx PO erythromycin

can cause chlamydial pneumonia (“staccato cough” + eosinophilia)

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3
Q

Haemophilus ducreyi: presentation?

A

painful chancre + LAD

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4
Q 
Lymphogranuloma venereum:
organism?
presentation?
dx?
tx?
A

Chlamydia trachomatis,
L1-L3 serotypes

1° – transient, painless ulcer
2° – painful LAD
3° – anogenital syndrome (proctocolitis, rectal strictures, rectovaginal fistulas, genital elephantiasis)

Dx complement fixation
Tx doxycycline

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5
Q

Condylomataa acuminata: organism?

A

HPV 6/11

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6
Q

Neonatal pneumonia:
MCC?
presentation?
tx?

A

MCC GBS

presents as respiratory distress, fever/hypothermia, leukocytosis/leukopenia w/ left-shift

Tx ampicillin + gentamicin

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7
Q

Neonatal meningitis:
MCC?
presentation?
tx?

A

MCC GBS

presents as fever, irritability, AMS, ±bulging fontanelle, and may not have meningeal signs;

Tx ABCs then LP then ceftriaxone + vancomycin

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8
Q

Meningitis + subdural effusions:

A

common, benign finding

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9
Q

Listeria meningitis: due to …

A

maternal ingestion of lunch meats or unpasteurized dairy products

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10
Q

Meningococcal meningitis: Tx?

A

penicillin

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11
Q

Acute bacterial sinusitis:
organism?
tx?

A

Strep pneumo > H. flu > Moraxella catarrhalis superinfx of viral URI

amoxicillin

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12
Q

Otitis media:
organism?
tx?

A

Strep pneumo > H. flu > Moraxella catarrhalis

Tx amoxicillin

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13
Q

Otitis externa: Tx?

A

cipro drops

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14
Q

Shigellosis:
dx?
tx?

A

watery/bloody diarrhea, fever, tonic-clonic seizures can precede GI sx (Ekiri syndrome)

Dx stool cx

Tx IV fluids + ceftriaxone

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15
Q

Arcanobacterium haemolyticum:

A

strep throat/scarlet fever-like presentation but throat cx grows out Arcanobacterium instead

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16
Q

Toxic shock syndrome:

tx?

A

due to S. aureus TSST, often found in tampons; presents w/ septic shock, diffuse maculopapular rash
(desquamation of palms/soles is late finding), strawberry tongue;

Tx admit + stabilize + IV nafcillin (prevents recurrence)

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17
Q

Staph food poisoning: timeline?

A

ingestion of preformed S. aureus enterotoxin → diarrhea, vomiting, abdominal cramps within 6 hrs

18
Q

Leptospirosis:
organism?
presentation?
possible complication?

A

due to Leptospira interrogans

presents as fever/chills, sore throat, myalgias, headache, cervical LAD, scleral injection,
photophobia

can lead to meningitis (but most infx are subclinical)

19
Q

Weil disease:

A

leptospirosis + renal failure + liver failure

20
Q

Dacryocystitis:

tx?

A

infx of medial canthus of eye

Tx warm compresses + abx drops

21
Q

Orbital vs. preseptal cellulitis:

A

consider preseptal w/ eyelid discoloration

consider orbital w/ proptosis, limited eye movement, pain w/ movement, or loss of vision

22
Q

RMSF:organsm?
presentation?
possible lab abn?
tx?

A

due to Rickettsia rickettsii from Dermacentor ticks

causes fever/chills and rash that starts on hands/feet and moves inward

can result in pancytopenia + hyponatremia

Tx doxycycline (regardless of age)

23
Q

Lyme disease:
organism?
1’ vs 2’ vs 3’?
tx?

A

due to Borrelia burgdorferi from Ixodes ticks

1° Lyme = erythema chronicum migrans
2° Lyme = bilateral Bell palsy + AV block
3° Lyme = chronic arthritis

Tx amoxicillin (9 y/o)

24
Q

Lyme disease + hemolytic anemia:
organism?
dx?
tx?

A

due to Babesia microtii also from Ixodes ticks

Dx RBC smear

Tx clindamycin + quinine

25
Q

Tularemia:
organism?
presentation?
tx?

A

“rabbit fever” due to Francisella tularensis

MC presentation is ulceroglandular syndrome (nonhealing ulcer + ascending LAD)

Tx streptomycin

26
Q

Pseudomonas:

G (+/-), ___ase+

A

G– oxidase+ rod

commonly found in burns, tennis shoe puncture wounds, swimming pools, hot tubs, cystic fibrosis

27
Q

HUS: tx?

A

Tx TPN + peritoneal dialysis (do not use abx)

28
Q

Lymphadenitis:
organism?
presentation?
tx?

A

Staph aureus infx → swollen, tender, erythematous LN

Tx dicloxacillin

29
Q

Cat scratch disease:
organism?
presentation?
tx?

A

Bartonella henselae infx from cats (flea vector)

Parinaud oculoglandular syndrome (nonpainful conjunctivitis + preauricular LAD)

Tx azithromycin

30
Q

Typhoid fever:
organism?
presentation?
dx?

A

Salmonella typhi

fever, diarrhea, HSM, abdominal pain w/ “rose spot” rash

Dx ↑fecal leukocytes + stool cx

31
Q

Tinea capitis:

tx?

A

due to Trichophyton tonsurans; presents as boggy scalp lesion w/ hair loss; Dx KOH prep, Tx PO griseofulvin

32
Q

Viral meningitis:
organism?
dx?
tx?

A

due to enterovirus infx (echo, coxsackie)

Dx CSF shows ↑lymphocytes + normal glucose

Tx supportive care

33
Q

“Amoxicillin rash”:

A

rash s/p amoxicillin in a misdiagnosed “strep throat” is pathognomonic for EBV infx

34
Q

Rabies: give post-exposure ppx for…

A

any bat exposure

35
Q

Rubeola (measles):
presentation/timeline?
tx?

A

cough, coryza (head cold), conjunctivitis, Koplik spots, then diffuse maculopapular rash

Tx vitamin A

36
Q

Rubella:

presentation/timeline?

A

diffuse maculopapular rash (starts on face and migrates down) w/ low-grade fever, marked LAD, sore throat, ±arthralgias

37
Q

Roseola:
organism?
presentation/timeline?

A

due to HHV-6

high-grade fever for 3 days, then diffuse maculopapular rash

38
Q

Rotavirus MC occurs during which season?

A

winter

39
Q

Cutaneous larva migrans:
organism?
presentation?
tx?

A

due to Toxocara canis/cati

presents as itchy lesion on bottom of foot after playing around barefoot

Tx ivermectin

40
Q

Visceral larva migrans:
organism?
presentation?
tx?

A

due to Toxocara canis/cati

presents w/ fever + HSM + eosinophilia

Tx ivermectin

41
Q

Ascariasis:
organism?
presentation?

A

due to Ascaris lumbricoides; presents w/ eosinophilia + intestinal obstruction

42
Q

Trichinellosis:

presentation?

A

**found in undercooked pork

triad of periorbital edema, myositis, eosinophilia; may have nonspecific splinter hemorrhages

Peds Clerkship (13 decks)

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