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10.9 First Aid for the Wards: Peds
Part 2
100
Medical
Professional
10/09/2012

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Cards

Term
How should you treat a fever in an infant less than 28 days old?
Definition
should be hospitalized for a full sepsis workup; treated with amp and gent or amp and cefotaxime while awaiting culture results; acyclovir if HSV is suspected
Term
How do you manage a fever in an infant from 28 to 90 days old without a source?
Definition
if they are toxic, they need a full workup for sepsis and started on IV abx; for nontoxic appearing low risk infants, outpt management is reasonable with either full workup and ceftriaxone 50-75 mg/kg IM and reevaluate in 24 hrs; or UA/urine culture only with no antibiotics and reeval in 24 hrs
Term
What are the most common organisms responsible for neonatal sepsis?
Definition
GBS, gram negative bacilli, and listeria
Term
What is the most common cause of bacteremia in children 3 to 36 months of age?
Definition
S. peumoniae
Term
How do you manage toxic appearing children with fever who are 3 to 36 months of age?
Definition
full sepsis workup, hospitalized, started on IV abxs empirically until cultures return negative at 48 hrs
Term
How should you treat children 3 to 36 months of agewith fever less than 39 C who are not toxic appearing?
Definition
give the child acetaminophen 15 mg/kg q 4 hrs and return to the office if the fever persists for more than 48 hours or if the clinical condition deteriorates
Term
A febrile 3-36 month old child with temp >39, should recieve antibiotics if...
Definition
absolute band count >1500, PMN >10,000, or WBC >15,000 should be given empiric ceftriaxone 50 mg/kg IM
Term
FOr children, when do you need a catheterized urine sample to send for culture versus just a clean catch?
Definition
if circumcised male under 6 months of age; uncircumcised less than 12; female less than 2
Term
What is teh dosing of acetaminophen for discomfort associated with fever?
Definition
15 mg/kg q 4 hrs
Term
What are common viruses that cause meningoencephalitis?
Definition
enteroviruses, mumps, measles, HSV, VZV, arboviruses, EBV, rabies, and adenovirus
Term
What is Kernig's sign?
Definition
flesion of the hip to 90 degrees with subsequent pain on extension of the leg
Term
What is Brudzinski's sign?
Definition
involuntary flexion of the knewwsand hips following flexion of the neck while supine
Term
When should you obtain a CT before getting an LP?
Definition
if there are focal neurologic findings or papilledema
Term
What opening pressure on LP indicates bacterial meningitis?
Definition
>180 mmHg
Term
What are the most common bacterial pathogens in neonates with meningitis?
Definition
GBS, Ecoli, listeria, HSV
Term
How do you empirically treat meningitis in neonates?
Definition
ambicillin (200 mg/kg) x 14-21 days for GBS and listeria; cefotaxime (100-150 mg/kg) for > 2 weeks after CSF sterilization for gram negative organisms; add acyclovir for suspected HSV
Term
What are the most common pacterial pathogens for infants 1-2 months with meningitis?
Definition
S. pneumoniae, N. meningitidis, BGS
Term
What is the empirical treatment for meningitis in infants 1-3 months of age?
Definition
cefotaxime (200 mg/kg) or ceftriaxone (100 mg/kg) and ampicilline (200 mg/kg) x 7-10 days for uncomplicated Hib or N. meningitidis; cefotaxime (200mg/kg) and vancomycin (40-60 mg/kg) x 10-14 days for S. pneumoniae
Term
What are the most common bacterial pathogens in children 3 months to 18 years?
Definition
N. menigitidis, S. pneumoniae, H. influenzae
Term
How do you empirically treat meningitis in children 3 months to 18 years?
Definition
cefotaxime (200 mg/kg) or ceftriaxone (100 mg/kg) and ampicillin (200 mg/kg) x 7-10 days for uncomplicated Hib or N. meningitidis; cefotaxime (200 mg/kg) and vancomycin (40-60 mg/kg) x 10-14 days for S. pneumoniae
Term
What is paradoxical irritation?
Definition
sign of meningitis in infants 0-3 months where they are less irritable when not held
Term
At what age do children start to have nuchal rigidity as a sign of meningitis? kernigs and brudzinski's sign?
Definition
nuchal rigidity after 18 months; kernig's sign and brudzinski's sign after 24 months
Term
What does the WBC count show in meningitis?
Definition
usually increased in bacterial meningitis but is often unremarkable in aseptic meningitis
Term
Is an EEG useful in evaluating a patient withseizures?
Definition
changes rae usually nonspecific and are characterized by generalized slowing; focal slowing in the temporal area is characteristic of HSV infections
Term
A patient who feels better after the LP may have _____.
Definition
aseptic meningitis
Term
What is the cell count/glucose/protein of a normal LP?
Definition
glucose 40-80; protein 20-50; WBCs 0-6; PMNs 0; RBCs 0-2
Term
What is the glucose/protein/cell count of a bacterial meningitis LP?
Definition
glucose <30; protein >100; WBC > 1000; PMN >50; RBCs/uL 0-10
Term
What is the glucose/protein/cell count in HSV CSF?
Definition
glucose >30; protein >75; WBC 10-1000; PMN <50; RBC 10-500
Term
What is the glucose/protein and cell count in a CSF of a viral meningitis (other than HSV)?
Definition
glucose= >30; protein 50-100; WBC= 100-500; PMN <20; RBC 0-2
Term
What is the glucose/protein/cell count of a TB infected CSF?
Definition
glucose 20-40; protein 100-500; WBC 10-500; PMN <20; RBCs 0-2
Term
Besides abxs what other supportive care should be given to children with meningitis?
Definition
strict fluid balance in the light of the risk of SIADH; rehydrate with isotonic fluid until the patient is euvolemic, then switch to 2/3 maintenence fluid; frequent urine specific gravity measurement; daily weight and head circumference; neurologic assessment/seizure precaution; isolation may be necssary
Term
What complication is common with Hib meningitis?
Definition
subdural effusion
Term
When is dexamethasone indicated for treatment of meningitis?
Definition
if it is Hib meningitis you should administer dexamethasone before or at thetime of antibiotic administration
Term
What is the most common cause of pediatric pneumonia?
Definition
viruses such as RSV, influenza, PIV, adenovirus; S pneumo is the most common bacterial agent
Term
What organisms that causes pneumonia is asssociated with large pleural effusions?
Definition
S. aureus
Term
How can you start to differentiate viral vs. bacterial pneumonia based on symptoms?
Definition
bacterial is more likely to have a high grade fever and dyspnea
Term
What is the definition of pneumonia?
Definition
inflammation of lung parenchyma that may be either infectious or noninfectious
Term
What is different on CBC between bacterial vs viral pneumonia?
Definition
bacteria= leukocytosis with left shift; viral= normal or increased with a lymphocyte predominance
Term
Describe the presentation of C. trachomatis pneumonia in newborns?
Definition
afebrile; conjunctivitis and a staccato cough
Term
An adolescent with pneumonia due to mycoplasma may present with...
Definition
prolonged cough; afebrile
Term
What would aspiration pneumonia lok like on CXR?
Definition
right middle or upper lobe infiltrates
Term
How do you work up patients you suspect of having pneumonia?
Definition
viral nasal wash or nasal swab for respiratory pathogens; CXR if ill appearing, require hospitalization or worsen on abx,
Term
What should you look out for on CBC of a newborn you suspect of having pneumonia?
Definition
if the white count is less than 5000, they might have sepsis
Term
When do you hospitalize for pneumonia?
Definition
if they are under 2 months; if they are over 2 months with respiratory distress, hypoxia, inability to take oral meds, failure to respond to abx, immunosuprpession, underlying cardiopulmonary disease, or evidence of empyema on CXR
Term
How long do you treat pneumonia in children that are hospitalized?
Definition
treat with IV abx until afebrile and then give oral antibiotics to complete a total of 7-10 days of treatment
Term
What are the most common causes of pneumonia in infants <6 weeks?
Definition
GBS, C. trachomatis, S. aureus, gram neg enterics, RSV, CMV, HSV enterovirus
Term
What should you use for empiric coverage of infants less than 6 weeks with pneumonia/
Definition
amp and gent or amp and cefotaxime; add PO erythromycin for suspected C. trachomatis; add IV acyclovir for suspected HSV
Term
What organisms should you suspect in infants 6 weeks to 6 months?
Definition
RSV, S. pneumoniae, Hib, GAS, C trachomatis, S. aureus
Term
C. trachomatis can cause pneumonia in children of what age typically?
Definition
less than 3 months of age
Term
What is empiric treatment for pneumonia in children 6 wks to 6 months?
Definition
supportive care for suspected viral pneumonia; mild to moderate illness PO amoxicillin or cefuroxime; severe illness= IV cefuroxime or ceftriaxone
Term
What is the likely organism for children 6 months of age to school age with pneumonia?
Definition
RSV, PIV, influenza, adenovirus, S. pnumoniae
Term
At what age are children susceptible to RSV?
Definition
until two years of age
Term
What are the most likely organisms to cause pneumonia in school age children?
Definition
M. pneumoniae, S. pneumoniae and adenovirus
Term
How do you empirically treat pneumonia in school age children?
Definition
mild to moderate= PO azithromycin if mycoplasma is suspected; severe ilness= IV cefuroxime or ceftriaxone with PO azithromycin; vancomycin may be added after 24-48 hours if the child has not improved and there is suspicion of drug-resistant S. pneumoniae
Term
What are the three most common bacterial pathogens that cause acute otitis media?
Definition
S. pneumo, nontypeable H flu, and m. catarrhalis
Term
Why are children at greater risk of otitis media?
Definition
angle of entry, short length and decreased tone of eustachian tube
Term
How common is acute otitis media?
Definition
75% of children will have at least 3 episodes by age 2
Term
What conditions predispose children to acute otitis media?
Definition
viral URIs, bottle feeding, pacifier use, passive exposure to tobacco smoke, day care, immunodeficiency, trisomy 21, hypothyroidism, and cleft palate
Term
T/F Breast feeding decreases the risk of AOM>
Definition
true
Term
T/F An erythematous tympanic membrane suggests AOM.
Definition
false; could be due to crying
Term
What is the term for inflammation of the ear drum with normal tympanic membrane mobility?
Definition
myringitis
Term
A diagnosis of acute otitis media requires...
Definition
a history of acute onset of signs and symptoms; the presence of middle ear effusions; signs and symptoms of middle ear inflammation
Term
T/F You should always treat AOM with antibiotics.
Definition
false; you can observe/give symptomatic tx for 48-72 hrs for children >2 yoa with nonsevere illness as wellas for those 6 months to two years of age with an uncertain diagnosis (missing at least one of three requirements above) and mild symptoms
Term
How do you treat AOM?
Definition
amoxicillin 80-90 mg/kg/day X 7-10 days; ghigh dose amoxicillin/clavulanate (augmentin) for pts whofail to improve on amoxicillin alone in 2-3 days or those with severe illness; IM ceftriaxone if they fail to respond to augmentin
Term
WHen should tympanostomy tube be placed in children with AOM?
Definition
if they have > 3 infections in 6 months or 4 infections in a year; can get tympanostomy tubes or a myringotomy
Term
What are the complications associated with AOM?
Definition
hearing loss with risk of language delay, tympanic membrane perforation, tympanosclerosis, cholesteatoma, chronic otitis media, mastoiditis
Term
What is cholesteatoma?
Definition
growth of desquamated stratified squamous epithelium in the inner ear
Term
At what age is strep pharyngitis very rare in kids?
Definition
<5 yoa
Term
What are the two categories of complications of streptococcal pharyngitis?
Definition
suppurative vs nonsuppurative
Term
What are suppurative complications of strep pharyngitis?
Definition
peritonsillar and retropharyngeal abscesses
Term
What are the nonsuppurative complications of strep pharyngitis?
Definition
acute rheumatic fever, postinfectious glomerulonephritis
Term
Treatment for strep pharyngitis can prevent all complications except for...
Definition
postinfectious glomerulonephritis
Term
What is scarlet fever?
Definition
strep pharyngitis with fever and a characteristic erythematous sandpaper-like rash on the neck or trunk that later spreads to theextremities
Term
What are the symptoms of strep pharyngitis?
Definition
sore throat, high fever, headache, malaise, occasional abdominal pain, absence of URI symptoms,
Term
What are the findings on physical exam of strep pharyngitis?
Definition
tender cervical LAD, enlarged hyperemic tonsils with exudates, erythematous pharynx, palatalpetechiae maybe present
Term
How do you determine if a pt has strep throat?
Definition
positive throat culture or antigen detection test (rapid strep test)
Term
How do you treat strep throat?
Definition
penicillin VK PO X 10 days or azithromycin (for penicillin allergic patients) x 5 days to prevent rheumatic fever
Term
How accurate is the rapid strep test?
Definition
the sensitivity ranges from 80-90% but specificity is >95%
Term
What is the major criteria for acute rheumatic fever?
Definition
jones critera= migratory polyarthritis of > 2 joints; new murmur (mitral or aortic insufficiency or Carey Coombs murmur) or symptoms of CHF, nodules over the scalp, joints or spine; erythema marginatum; sydenham's chorea
Term
What is erythema marginatum?
Definition
a circinate, erythematous maculopapular rash on the trunk and extremities indicative of rheumatic fever
Term
What is Syndenham's chorea?
Definition
emotional instability and involuntary movement; one of the major criteria of acute rheumatic fever
Term
How long after strep infection does post infectious glomerulonephritis show up?
Definition
within 1 to 2 weeks
Term
What are the signs of post infectious glomerulonephritis?
Definition
hematuria, proteinuria, decreased urination, hypertension, pulmonary edema and peripheral edema; C3 levels maybe low
Term
What is the prognosis of post infectious glomerulonephritis?
Definition
typically self limited and does not recur
Term
How longafter strep throat infection before you get acute rheumatic fever?
Definition
2-6 weeks
Term
How do you treat postinfectious glomerulonephritis?
Definition
penicillin, antiinflammatory medications and supportive therapy; given the high rate of recurrence, indefinate daily prophylactic penicillin should be started
Term
What tests should be ordered for a child with flank pain and a fever?
Definition
CXR, UA, and urine culture; because flank pain can be due to pylo or lower lobe pneumonia
Term
Name some common UTI pathogens.
Definition
S. saprophyticus, e coli, enterobacter, klebsiella, serratia, proteas, pseudomonas
Term
Where do the bacteria come from in UTIs of infants?
Definition
hematogenous seeding of the kidneys
Term
What are the symptoms of cystitis?
Definition
increased frequency and urgency, dysuria, incontinence, and suprapubic tenderness, hematuria, and a low grade fever
Term
What are the symptoms of pyelonephritis?
Definition
high fevers, chills, flank pain, nausea, vomiting, CVA tenderness (related to flank pain), and dehydration
Term
What is considered a positive urine culture?
Definition
more than 10^5 colonies/mL are obtained from a midstream clean catch; more than 10^4 from an "in and out" cath; any from a suprapubic tap
Term
When should you suspect a positive urine culture is due to contamination?
Definition
if the culture contains diphtheroid bacilli, Staph or multiple organisms
Term
What are teh symptoms of newborns with UTI?
Definition
fever, hypothermia, poor feeding, vomiting, jaundice, TFF, sepsis, apnea, diarrhea
Term
What is the treatment for uncomplicated cystitis?
Definition
five to ten days of TMP-SMX or cephalexin
Term
What is thetreatment for pyelonephritis or neonates with cystitis?
Definition
amp and gent or cefuroxime
Term
When do you give prophylactic antibiotic therapy for cystitis and what do you give?
Definition
give TMP-SMX or nitrofurantoin; if prior or undergoing a VCUG, reflux of any grade in infancy and earlychildhood, reflux of grades III-V in children over 5 yoa; pts with more than 3 UTIs per year
Term
When is the apgar score taken?
Definition
at 1 and 5 minutes
Term
What is a VCUG?
Definition
voiding cystourethrogram
Term
What is grade I reflux?
Definition
ureter only is affected
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