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First Aid for the Wards Pediatrics
Part 4
107
Medical
Professional
10/17/2012

Additional Medical Flashcards

 


 

Cards

Term
What are torus fractures?
Definition
involve "buckling" of the cortex with compression of the bone
Term
What is a greenstick fracture?
Definition
incomplete fractures that break one side of a bone and bend the other
Term
What is the weakest part of a child's skeletal system?
Definition
epiphyseal plate
Term
How are epiphyseal fractures classified? why are they classified?
Definition
by the salter-harris system; classification determines prognosis
Term
What is another term for asthma?
Definition
reactive airway disease
Term
What is asthma?
Definition
a bronchial disorder characterized by inflammation, reversible smooth muscle constriction and mucus production
Term
How many children are affected by asthma?
Definition
6%
Term
Name some primary triggers of asthma?
Definition
irritants such as cigarette smoke, air pollution and ozone
Term
What are some allergic triggers of asthma?
Definition
pollens, dust mites, pets, and cockroaches
Term
What are some asthma triggers that are neither primary irritants or allergens?
Definition
exercise, cold weather, respiratory infections, drugs (aspirin, beta blockers), stress, foods, and food additives
Term
What disease concurrent with asthma can make the asthma worse?
Definition
GERD and sinusitis
Term
Salter harris classification I=
Definition
through the growth plate
Term
What is salter harris classification II?
Definition
through the metaphysis and growth plate
Term
What is salter harris class III?
Definition
through growth plate and epiphysis into joint
Term
What is salter harris class IV?
Definition
through metaphysis growth plate, and epiphysis into joint
Term
What is salter harris class V?
Definition
crush of growht plate
Term
Which salter harris classification may be missed on xray?
Definition
V
Term
What is the allergic triad?
Definition
asthma, atopic dermatitis, and allergic rhinitis
Term
Chest percussion on asthmatic pts will sound...
Definition
hyperresonant
Term
T/F Asthma can occur without overt wheezing?
Definition
true (cough variant asthma produces chronic cough)
Term
What are some key indicators of asthma severity?
Definition
frequent ER visits, a history of intubation, hospitalizations, steroid use
Term
What is status asthmaticus?
Definition
severe asthma attacks that may not be responsive to standard treatments; life threatening condition that may lead to respiratory acidosis and respiratory arrest; pts usually need to be hospitalized and mechanically ventillated
Term
What is changed on a pts PFTs when they have asthma?
Definition
decreased vital capacity, increased functional residual capacity, increased residual volume, decreased FEV1, decreased peak expiratory flow, and reversal of pulmonary abnomralities by inhalation of aerosolized albuterol
Term
What is peak flow monitoring?
Definition
measures how fast a patient can forcibly expire air after a maximal inhalation
Term
What is a "bad" peak flow?
Definition
reduction of 50-80% indicate mild to moderate obstruction; anything <30% indicate severe obstruction
Term
What do you see on CXR of asthma?
Definition
nonspecific findings but may find hyperinflation, depressed diaphragm, and atelectasis
Term
What do you see on CBC of an asthmatic?
Definition
eosinophilia
Term
At what PCO2 should you be worried in an asthmatic with tachypnea?
Definition
PCO2 should be well below 40 if they are tachypnic; anything more and you need to be worried about respiratory failure
Term
How do you give in haled medications to children of different ages?
Definition
less than 1 need a nebulizer; from 1-4 can use a spacer with a face mask and children >4 can use a metered dose inhaler (MDI) with a spacer
Term
What is acute therapy for asthma?
Definition
bronchodilators (nebulized albuterol 0.15 mg/kg in 2-3 cc NS or MDI two puffs q 1-6 hr PRN); a five day pulse of PO prednisone or IV methylprednisolone (solumedrol) is highly effective but takes 4-6 hours to have an effect
Term
What is chronic therapy for asthma?
Definition
avoid triggers; give inhaled corticosteroids for prevention; leukotriene receptor antagonists; cromolyn sodium and theophyline are rarely used since advent of inhaled steroids
Term
What are the classifications of asthma severity?
Definition
step 1= mild intermittent; step 2= mild persistent; step 3= moderate persistent; step 4= severe persistent
Term
What is step 1: mild intermittent asthma?
Definition
symptoms occur < 2 times per week; asymptomatic between exacerbations; night symptoms less than 2 times per month; PEF or FEV1 >80% of predicted; no daily medications needed
Term
What is step 2: mild persistent asthma?
Definition
symptoms occur >2 times per week but <1x a day; exacerbations may affect activity; night symptoms >2x a month; PEF or FEV1 >80% of predicted; maintenence meds= lowdose inhaled steroid
Term
What is step 3: moderate persistent asthma?
Definition
dialy symptoms; two or more exacerbations per week, exacerbations limit activity; night symptoms >1x per wee; PEF or FEV1 60-80% of predicted; maintenece meds= medium dose inhaled corticosteroid or low to medium dose inhaled steroid and long acting bronchodilator; if neeeded, medium to high dose inhaled steroid and long acting bronchodilator
Term
What is step 4 severe persistent asthma?
Definition
continual symptoms; limited physical activity; frequent exacerbations; night symptoms frequent; PEF or FEV1 <60%; maintenance meds= daily inhaled high dose corticosteroid and long acting bronchodilator and PO steroids 2mg/kg/day
Term
What is broncolitis? What causes it?
Definition
an acute inflammatory illness of the small airways occurring in children <3 yoa; RSV is the primary agent although PIV (esp type 3), adenovirus and influenza, and rhinovirus have also been implicated
Term
When is bronchiolitis season?
Definition
late fall to early spring
Term
What are risk factors for severe bronchiolitis?
Definition
prematurity (less than 35 weeks), lowbirth weight, age <12 weeks, chronic pulmonary disease, CHD, and immunideficiency states
Term
What are the signs and symptoms of bronchiolitis?
Definition
rhinorrhea, sneezing, cough, and low grade fever followed afew days later by tachypnea and wheezing; signs of respiratory distress, including nasal falaring, retractions and intermittent cyanosis may be present; apnhea may be the presenting sign
Term
When do you get a CXR if you suspect bronchilitis?
Definition
only for ill or hypoxic patients or those with recurrent episodes of wheezing; will demonstrate hyperinflation (flate diaphragm, increased AP diameter)
Term
Howdo you diagnose RSV?
Definition
by nasopharyngeal washes by DFA or culture; although commonly tested for it rarely changes management because treatment is supportive; testing can be useful for disease surveillance and grouping of RSV positive pts in hospital wards to decrease transmisison
Term
When do you hospitalize a pt with bronchiolitis?
Definition
with resting rate of more than 50-60 breaths/min; hypoxemia, apnea, inability to toelrate oral feeding, chronic cardiopulmonary disease or an unrealiable home environment
Term
T/F Breast feeding decreases an infants chance of getting bronchiolitis.
Definition
true
Term
A "seal-like" bark is indicative of...
Definition
croup
Term
T/F Bronchodilators are not longer recommended for bronchiolitis.
Definition
true
Term
T/F inhaled steroids helps treat bronchiolitis.
Definition
alse
Term
What inhaled medication can be used in pts with bronchiolitis or are severely affected or high risk?
Definition
ribavirin aerosol
Term
When do you prophylax infants against RSV?
Definition
if they are under 2 and at high risk they can be given RSV IVIG or palivizumab (the later is preferred as ti is a monoclonal antibody and not a blood product)
Term
What is another name for viral croup?
Definition
laryngotracheobronchitis
Term
What is laryngotracheobronchitis?
Definition
acute inflamatory disease of the larynx, trachea, and bronchioles that especially affects the subglottic space
Term
What are the most common causes of croup
Definition
parainfluenza types 1 and 3 are the most common; other organisms include RSV, influenza virus, rubeola virus , adenovirus, and M. pneumoniae
Term
What are the signs and symptoms of croup?
Definition
inspiratory stridor that worsens with agitation; also characterized by a hoarse voice and a seal-like barking cough; maybe preceded by a prodrome of mild fever and coryza; diminished breath sounds, restlessness, altered mental status or cyanosis may be seen if the child becomes hypoxic
Term
If a pt has epiglottitis what is the treatment?
Definition
urgent intubation
Term
How do you work up croup?
Definition
CXR and neck xray if the diagnosis is in doubt (steeple sign= subglottic narrowing)
Term
What is the typical age group affected by croup?
Definition
three months to five years
Term
How fast does croup vs. epiglotitis vs. tracheitis develop?
Definition
Whatcroup develops over 2-3 days; epiglotitis has a rapid onset over several hours; tracheitis causes acute decompensation after two to three day gradual onset
Term
Do disease like croup, epiglotitis and tracheitis cause fever?
Definition
croup has low grade; epiglotitis and tracheitis have high grade
Term
What age range is affected by epiglotitis?
Definition
2-7 yoa
Term
What age range is affected by tracheitis?
Definition
older than 7
Term
What organism most commonly causes tracheitis?
Definition
s. aureus
Term
What is the position preference associated with croup?
Definition
prefers sitting up, leaning against the parents chest
Term
What is the preference position associated with epiglotitis?
Definition
tripod position with neck extended
Term
Does croup respond to aerosolized racemic epinephrine?
Definition
yes; the stridor improves
Term
Does epiglotitis respond to aerosolized racemic epinephrine?
Definition
no
Term
Does tracheitis respond to aerosolized racemic epinephrine?
Definition
no
Term
Whatsign on x ray indicates epiglotitis?
Definition
thumb sign on lateral neck film
Term
What is shown on imaging for tracheitis?
Definition
subglottic narrowing
Term
How do you treat mild cases of croup?
Definition
mild meaning no stridor at rest; supportive measures like oral fluids, cool-mist therapy, humidity
Term
how do you treat moderate cases of croup?
Definition
moderate= stridor at rest; treat with corticosteroids
Term
How do you treat severe cases of croup?
Definition
severe= respiratory distress and hypoxemia; treat with IVhydration, systemic steroids, nebulized racemic epi, supplemental O2, and intubation if necessary (rare; only for <1% of hospitalized pts)
Term
Nasal polypsin any pediatric pt should prompt further evaluation for...
Definition
CF
Term
What causes CF?
Definition
dysfunctional exocrine glands due to a mutation in the CFTR gene which is located on chromosome 7 and is involved in chloride conductance
Term
What is teh most common lethal genetic disease affecting caucasians?
Definition
CF
Term
What is the incidence of CF?
Definition
1/3000
Term
What percent of patients with CF are diagnosed in childhood?
Definition
93%
Term
What are the most common ways for CF to present?
Definition
meconium ileus at birth, recurrent respiratory infections, FTT, or positive newborn screen
Term
What percent of CF patients hav a negative sweat chloride test?
Definition
about 1%
Term
What is a positive sweat chloride test?
Definition
>70 meq/L
Term
How do you work up suspected CF?
Definition
sweat test, PFT, sputum/throat culture; CXR, newborn screening programs, genetic testing
Term
What do PFTs show for CF pts?
Definition
both restrictive and obstructive disease
Term
What percent of cases of CF are picked up by newborn screen?
Definition
roughly 10% ofcases
Term
How does the newborn screen test for CF?
Definition
decreased trypsin levels
Term
What is the most common genetic mutation that causes CF?
Definition
>70% are caused by deltaF508
Term
What is the treatment for CF?
Definition
aerosolized deoxyribonuclease to increase mucus clearance; chest physiotherapy with postural drainage; bronchodilators and abx if acute declines in lung function or pneumonia is suspected; intermittent aerosolized tobramycin for pseudomonas (BID x 4 weeks); H2 blockers, antacids; pancreatic enzyme supplements, vitamins ADEK supplements, high calorie, high protein diet
Term
What is the average life expectancy of CF pats?
Definition
37
Term
Most pts with CF eventually require...
Definition
double lung transplantation between 2nd and 3rd decades of life
Term
What are the respiratory symptoms of CF?
Definition
asthma with clubbing of the digits, nasal polyps, chronic pansinusitis, recurrent pneumonaie (esp staphylococcal), chronic atelectasis, chronic pulmonary disease, pneumothorax, bronchiectasis, hemoptysis or chronic cough, colonization with mucoid psuedomonas aeruginosa, xrays showing persistent hyperaeration or atelectasis
Term
What are the GI symptoms of CF?
Definition
meconium ileus, intestinal obstruction (meconium plug or recurrent intussusception), FTT, steatorrhea or chronic diarrhea, rectal prolapse, prolonged jaundice, hepatic cirrhosis and portal hypertension, recurrent pancreatitis
Term
What are musculoskeletal symptoms of CF?
Definition
bone pain and joint effusion due to hypertrophic osteoarthropathy
Term
What are reproductive signs/symptoms of CF?
Definition
infertility in men due to oblieration of vas deferens; infertility in women due to thick spermicidal cervical mucus
Term
What are some miscellaneous signs/symptoms of CF?
Definition
hypoproteinemia and edema, fat soluble vitamin deficiency, hypoprothombinemia, salty taste or salt crystals on skin, unexplained hyponatremic hypochloremic metabolic alkalosis; impaired glucose tolerance or type 1 DM
Term
How are children exposed to lead?
Definition
lead containing paint remaining in buildings constructed before the 70s; also, industrial plants, lead solder in pipes, lead containing pottery, toy paint, household items, some traditional herbal remedies
Term
What level of lead is toxic?
Definition
10-19 ug/dL can be toxic (<10 can have neurocognitive effects) but lead poisoning requiring medical evaluation refers to levels >20 ug/dL; severe lead levels is >70ug/dL
Term
What are symptoms of leadpoisoning?
Definition
behavoral problems, developmental delay, anorexia, abdominal pain, vomiting, constipation, lead encephalopathy, peripheral neuropathy, burton's lines, red brown discoloration of the urine, proximal tubule dysfunction, pica
Term
What is lead encephalopathy?
Definition
increased ICP, headache, vomiting, ataxia, seizures, coma, or even death in severe cases
Term
What are the blue lines on gums of children with lead poisoning called?
Definition
bruton's lines
Term
Are lead levels checked in all children?
Definition
yes; at 12 and 24 months
Term
Peripheral blood smear of pts with lead poisoning will show...
Definition
basophilic stippling, hypochromic microcytic anemia (often with concomitant iron deficiency)
Term
What percent of child abuse occurs before 1 yoa?
Definition
1/2
Term
T/F THe presence of spousal abuse increases the risk of child abuse.
Definition
true
Term
What is the mortality rate of abused children?
Definition
5%
Term
What kinds of fractures are suspicious for child abuse?
Definition
mandibular fractures, rib fractures (multiple and posterior), scapular fractures, long bone spiral fractures
Term
What is encopresis?
Definition
inability to have control over bowel movements
Term
What is the medical term for bedwettin?
Definition
enuresis
Term
How do you work up a pt for abuse?
Definition
skeletal survey, bone scan, ophthalmologic exam, UA, urine culture and stool culture is sexual abuse is suspected
Term
What must be ruled out if you suspect hcild abuse?
Definition
osteogenesis imperfecta, bleeding disorders, and bullous skin disorders
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