Fever Flashcards
The Shaw study found that what variables were more predictive of UTI in a febrile child (boys younger than 1 and girls younger than 2)?
- Caucasian race
- Females
- Uncircumcised boys
- History of UTI
- Malodorous urine
- “Toxic appearing” child
- Lack of a possible source for the fever
- Higher fever
Interestingly, what features did not correlate with higher rate of UTI in Shaw’s study?
- Length of fever
- GI symptoms
- Poor feeding
- Exposure to ill contacts
From the Shaw study’s results:
“Our study supports… our current clinical practice of obtaining _________________.”
urine cultures on febrile infants without a definite
source of fever on examination
In a nutshell, what did Hsiao’s study show?
Hsiao’s study showed that infants age 8 weeks to 6 months with fevers had a 10% incidence of serious bacterial illness – defined as bacteriuria or bacteremia – and that almost 40% had positive viral direct fluorescent antibodies (DFAs).
Urine cultures are considered positive if _____________.
there are greater than 10,000 CFUs per mL
Which viruses are most common for positive DFAs in a febrile infant?
- RSV (19.1%)
* Influenza A (12.3%)
In Hsiao’s study, what correlated with higher rate of SBI?
•Increased duration of fever
What did not correlate with increased risk of SBI in Hsiao’s study?
•Height of fever
One of the big takeaways is that young patients with URIs may __________________.
also have UTIs; as such, the authors advocate that providers keep UTI in mind as a possible additional diagnosis when bronchiolitis is diagnosed
What are four common causes of tachycardia in children?
- Fever
- Fear/anxiety
- Dehydration
- Pain
What’s the formula that gives 5th percentile for SBP in children?
(2 x age in years) + 70
To what childhood illnesses does secondhand smoke predispose children?
- URIs
- Asthma
- OM
In Hsiao’s study, what percent of positive blood cultures were true positive?
About 1.5% of febrile kids had a TP blood culture and about 5.6% of kids had a FP blood culture.
What formula tells you what size tube to use?
- Uncuffed: age/4 + 3
* Cuffed: age/4 + 4
____________ is the first-line agent for pediatric shock.
Dopamine