Pediatrics 6, 8 Flashcards Preview

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Flashcards in Pediatrics 6, 8 Deck (53)
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1

When is a lymph node a concerned finding

- greater than 2 cm
- firm, immobile nodes
- signs of systemic illness

2

Erythema infectiosum?

- fifth disease
- parvovirus B19

3

what is a rapid specific test for infectious mononucleosis

heterophile antibody test (monospot)

4

Bordetella pertussis patients can develop what?

lymphocytosis

5

what are the 3 phases of Bordetella pertussis

1. catarrhal
2. paroxysmal
3. convalescent

6

what happens in the paroxysmal phase of Bordetella pertussis

- paroxysms of coughing
- posttussive emesis

7

who should receive post exposure prophylaxis with varicella exposure

all nonimmune, asymptomatic, healthy patient age 1 year or greater

8

Most common cause of osteomyelitis in both infants and children

Staphylococcus aureus

9

frequent cause of osteomyelitis in patients with sickle cell anemia

Salmonella

10

Most common pathogen for acute, unilateral cervical lymphadenitis in children is?

Staph aureus

11

bilateral subacute-chronic lymphadenopathy along with systemic symptoms such as fever, pharyngitis, and hepatosplenomegaly

Epstein-Barr virus

12

Who accord salmonella enteritidis

reptiles

13

Most common causes of acute bacterial rhinosinusitis

- streptococcus pneumoniae
- Haemophilus influenzae

14

Treatment of choice for bacterial rhinosinusitis

Amoxicillin-Clavulanic acid

15

when do antistreptolysin O antibodies peak?

month after streptococcal infection

16

how do you confirm strep in a child

-rapid streptococcal antigen testing
- throat culture

17

The most common predisposing factor for acute bacterial sinusitis is

viral upper respiratory infection

18

what should be suspected in any ill patients, especially those with a febrile paroxysms, who have traveled to an endemic-tropical region? and what should be ordered

- malaria
- thick and thin blood smears

19

Fever, toxicity, pharyntitis, sandpaper-like rash, circumoral pallor and strawberry tongue

Scarlet fever

20

what is herpangina and what causes it

throat infection
- Coxsackie A

21

Patients with croup and stridor at rest ( moderate to severe croup) should be treated how

- corticosteroids and nebulizer epinephrine

22

Pain with extra ocular movements, visual impairment, and ophthalmoplegia

orbital cellulitis

23

Dangerous complications of orbital cellulitis

- orbital abscess
- intracranial infection
- cavernous sinus venous thrombosis

24

Difference between perceptual cellulitis and orbital cellulitis

preseptal: infection of eyelid anterior to orbital septum
orbital: infection of posterior to the orbital septum

25

Most common cause of viral meningitis

non-polop enteroviruses
- echoviruses
- coxsackievirus

26

what is the most appropriate way to limit the risk of infection in household contacts with someone with Bordetella pertussis

prophylaxis is recommended for all close contacts despite vaccination, give macrolide

27

children who present with fever, dysphagia, inability to extend neck, muffled voice and lateral x-ray showing a widened prevertebral space

retropharyngeal abscess

28

most common pathogen isolated in infants and young children with cystic fibrosis

Staphylococcus aureus

29

most common cause of cystic fibrosis pneumonia in adults and contributes to life-threatening decline in pulmonary function

Pseudomonas aeruginosa

30

complications associated with orbital cellulitis and not perceptual cellulitis

- diplopia
- decreased visual acuity
- ophthalmoplegia