Hypertrophic Pyloric Stenosis Flashcards

1
Q

when does this occur

A

they pyloric sphincter thickens

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2
Q

where does this occur

A

between the stomach & small intestine

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3
Q

at which age does this develop

A

first 2-5 weeks

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4
Q

s/s

A

projectile vomiting
metabolic alkalosis
growth failure

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5
Q

what is the incidence of this occurring

A

1-3 in every 1000 births

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6
Q

what are some risk factors

A
genetics
full term infants
white infants
first born children 
males 5x more likely
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7
Q

what is felt when palpating the abdomen

A

olive-like mass in RUQ

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8
Q

when does vomiting usually occur

A

30-60 mins after feeding

projectile

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9
Q

when is the olive-like mass palpable

A

when stomach is empty

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10
Q

what would an ultrasound show

A

fistula

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11
Q

which lab would be low

A

chloride

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12
Q

which labs would be high

A

pH
bicarb
BUN

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13
Q

why would the pt be dehydrated

A

fluid not reaching intestines to be absorbed

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14
Q

which med is given for management of symptoms

A

Reglan

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15
Q

which surgery provides relief of the obstruction

A

pyloromyotomy

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16
Q

how is a pyloromyotomy done

A

laparoscopic

17
Q

a pyloromyotomy is an incision through

A

muscle fibers

not submucosa

18
Q

what does the emesis consist of

A

curdled milk

19
Q

at which age does this usually begin

A

2-8 weeks

20
Q

what can be seen on the abdomen

A

peristaltic waves

21
Q

how soon post op can oral feeds be started and what are they

A

6-24 hours

clear liquids

22
Q

how soon post op are they back to full feeds

A

48 hours