Congenital Infections, Nosocomial-acquired, and community-acquired intro Flashcards Preview

Microbiology Exam 5 > Congenital Infections, Nosocomial-acquired, and community-acquired intro > Flashcards

Flashcards in Congenital Infections, Nosocomial-acquired, and community-acquired intro Deck (21):
1

Most Common agents if congenital infections

TORCH
TOxoplasmosa
Rubella
CMV
HSV 1 or 2

2

what is the test for common agents in congenital infections

TORCH
a test to detect a congenital infection through a series of test for specific IgM in chord blood

3

HSV infections can cause infections in neonates through:

skin, eyes, mouth
CNS disease
Disseminated disease with or without CNS disease

4

what is the leading cause of infection and morbidity in the neonate

CMV

5

what test do you use to test for syphilis

STORCH test

6

how often does CMV congenital infection occur

1 in 150 live births leading to permant disability of 1 in 750 live births in the US

7

what percentage of meningitis cases are nosocomial-acquired

50%

8

what is the most common etiology of hospital acquired meningitis

s. aureus
coagulase negative streptococci
non-pneumococcal streptococi
gram-negative rods

9

is the port of entry of viral infection in community acquired bacterial meningitis the brain?

NO

10

what is more common community acquired bacterial meningitis or viral meningitis

viral

11

what are the most common agents in bacterial meningitis of neonates

s. agalactiae
E. coli
K. pneumoniae

12

what is the most common cause of meningitis in infants and young children

n.meningitides
s. pneumoniae
mycobacterium tuberculosis

13

what is the most common etiology of meningitis in adolescents and elderly

n.meningitides
s. pneumoniae
>50= L. monocytogenes

14

what are the symptoms of meningitis in the young adult-> adult

irratibility
lethargy
fever
others:
headache, nuchal rigid, vomit, opisthotonos, eyeball pressure, photophobia

15

what is the greatest risk of meningitis and other invasive disease in neonate

low birth weight

16

define LBW,VLBW,ELBW

LBW < 1000g/ 2.2 lbs

17

what factors predisposes LBW,VLBW and ELBW to infant infections

1. impaired innate and adaptive immune functions
2. required nosocomial techniques and devices to keep them alive

18

About ½ of all deaths in the 2nd week of life of VLBW infants is due to?

sepsis

19

what material events can cause predisposing cause of neonatal meningitis

1. premature rupture of membrane for over 24 hrs
2. material infection
3. excessive manipulation or intrauterine device during delivery

20

what is the most common source of infection acquired in utero

infected chorioamniotic and amniotic fluid
infected blood
during parturition, aspiration of infected vaginal secretions

21

signs of neonatal meningitis which is different than other age groups

fever, lethargy, poor feeding, GI disturbance, Resp. abnormalities and cardiac abnormalities budging fontanelle