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Flashcards in peds100 Deck (29):
1

most common cause of bloody diarrhea in the US

campylobacter jejuni

2

what bacteria may cause mesenteric adenitis along w the gastroenteritis that may mimic acute appendicits

yersinia

3

endoscopy of a patient with diarrhea demonstrates pseudomembranes

c diff

4

antibiotics for ETEC

quinolones or sulfonimides

5

antibiotics for EPEC

oral sulfonamides or quinolones

6

shigella antibiotic

third gen ceph or fluoroquinolones

7

treatment for salmonella

not indic for uncomplicated gastroenteritis; treatment for invasive diseaes is third gen cef

8

treatment for campylobacter

oral erythromycin, but sx commonly resolve without treatment

9

treatment for yersinia

third gen ceph

10

treatment for c diff

oral or IV metronidazole; oral vanc is reserved for resistant cases

11

bacterial cause of watery diarrhea with massive water loss

vibrio cholerae

12

treatment for cholera?

abx not needed; replace fluid loss

13

classic electrolyte finding in diarrhea

non-anion gap hyperchloremic metabolic acidosis

14

how do you get met acidosis in diarrhea?

bicarb loss in the stool

15

most common cause of pediatric HIV

perinatal transmission accounts for 95%

16

most infants born with HIV are asymptomatic for how long?

first year of life

17

why would infants not be symptomatic initialy?

all babies have transplacentally acquired antibody that may persist for 18-24 mos

18

diagnosis of baby of an hiv pos mom

HIV-spec DNA pcr is performed at birht and monthly until 4 mos of age; if neg at 4 mos, baby is considered not infected but still followed until lose maternal antibody

19

management of babies born to HIV infected moms

ZDV for 6 weeks; bactrim for PCP prophylaxis until HIV DNA pcr is neg at 4 mos; no breastfeeding; urine CMV culture to detect coinfection with CMV

20

immunizations in kids with HIV

they should receive all the vaccines except live varicella; MMR is okay for all except most sick; annual optho exam; regular monitoring of T cell subsets and HIV RNA PCR to detect viral load

21

why yearly optho exams in HIV infected kids?

to assess for CMV retinitis

22

clinical features of PCP infection

fever, hypoxia, and interstitial infiltrates

23

prophylaxis against PCP with what?

oral TMP/SMX

24

treatment for PCP infectio

TMP/SMX, pentamide, or atovaquone

25

risk for MAC is highest when CD4 count falls below what

50 cells

26

characteristics of MAC infecton

fever, weight loss, night sweats, abdom pain, bone marrow suppression, and elevated liver enzymes

27

HIV puts you at risk for what malignancy?

lymphoma, esp B cell caused by EBV

28

primary cause of mono

EBV, but also toxo, CMV, and HIV

29

how is EBV transmitted

saliva