Pediatrics Flashcards

1
Q

typical length of pylorus channel in infant with pyloric stenosis

A

16 mm

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2
Q

which drug has a “black box” for administration after tonsillectomy and/or adenoidectomy

A

Coedine, for respiratory depression

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3
Q

before you do a pull through for Hirschsprung disease, what do you need to establish

A

level of disease, you need level biopsies

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4
Q

where is the defect in gastroschisis?

A

to the right of the umbilicus

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5
Q

where is the defect in an omphalocele?

A

through umbilicus

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6
Q

features of gastrochisis

A
  • no sac
  • no amnion
  • cardiac and chromosomal abnormalities are rare
  • defect to the right of umbilicus
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7
Q

child born with a defect through abdominal wall with sac covering contents, what is it?

A

omphalocele

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8
Q

what are kids born with gastrochisis at higher risk for?

A

necrotizing enterocolitis

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9
Q

Patient with pectus carinatum does not tolerate compression bracing, what option do you have left?

A

Ravitch procedure

Removal of cartilage causing defect

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10
Q

VACTERL

A

Vertebral
Anorectal
Cardiac
Tracheal
Esophageal
Renal
Limb deformities

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11
Q

how long after a pyloromyotomy would continued vomiting warrant re-evaluation

A

if vomiting persist for a week post-op you should re-eval for incomplete myotomy

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12
Q

when should a child with the RET protoncogene have his prophylactic thyroidectomy?

A

by age 1

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13
Q

2 year old boy undergoing laparoscopic bilateral inguinal hernia repair, you cannot find vas deferens…what should kid be tested for?

A

cystic fibrosis

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14
Q

when would you administer corticosteroids for a surgery on a pregnant woman?

A

gestation weeks 24-34 for intra-abdominal surgeries with possible infectious etiology

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15
Q

what kind of tissue would you expect from a Meckel Diverticulum?

A
  • gastric
  • pancreatic
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16
Q

typical age range for intussusception

A

3 months to 3 years of age

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17
Q

ultrasound findings for intussusception

A
  • target sign
  • pseudo kidney sign longitudinally
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18
Q

examining a 4 year old boy for undescended testicles and in clinic you are able to bring the testicles down into the scrotum…what is this phenomenon called

A

retractile testis

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19
Q

Treatment for retractile testis

A

yearly examinations till puberty

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20
Q

how are pediatric umbilical hernias repaired

A

primarily with slowly absorbable sutures

Allows for repair to grow with child as they age

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21
Q

what metabolic derangement would you expect from pyloric stenosis

A

hypochloremixc, hypokalemic metabolic alkalosis

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22
Q

32 year old female 4 weeks postpartum presents with erythema and tenderness to periareolar left breast. Initial therapy

A

continue breast feeding

  • likely lactational mastitis
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23
Q

steps to a Sistrunk Procedure

A
  • Excise the cyst
  • excise the tract
  • resect the hyoid bone 1 cm to left and right of midline to level of foramen cecum
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24
Q

3 year old boy with an empty scrotum with diagnosis of non-palpable testis. next step

A
  • diagnostic laparoscopy to assess its location
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25
Q

What is the Ravtich procedure?

A
  • removal of cartilage wedged between the ribs and sternum
  • reshapes and reposition the freed-up sternum
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26
Q

Which chest deformity can you use the ravtich procedure on?

A

both pectus carinatum and excavatum

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27
Q

long term complication pattern of diaphragmatic repair survivors

A

gastrointestinal
neurodevelopmental
pulmonary

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28
Q

diagnostic approach for 12 year old girl with painless blood per rectum…and why

A
  • 99m Tc-pertechnetate radio-isotope scan
  • this is a Meckel scan and you’re suspecting a Meckel Diverticulum with gastric mucosa
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29
Q

neonate with an imperforate anus and a bucket handle deformity, what do you do next?

A

perform primary anoplasty

30
Q

what is a hydrocolpos?

A

dilated vagina

31
Q

what is cloaca?

A

single orifice for both excretory and genital products

32
Q

most common incision used to repair a congenital diaphragmatic hernia

A

subcostal incision, approximately two finger breadths below the subcostal margin

33
Q

what should infants who had an omphalocele or gastroschisis closed be monitored for?

A
  • abdominal compartment syndrome
  • done by monitor UOP and ventilation requirements
34
Q

What are branchial anomalies associated with

A

branchial-oto-renal syndrome

  • ear and kidney issues (should image kidneys)
35
Q

when would you do a segmental resection of small bowel for a Mekel’s diverticulum?

A
  • base greater than 2 cm
  • active inflammation at the base
36
Q

When would it be appropriate to use intra-operative fetal heart tracing if operating on a gravid woman?

A

at viability ~ 24 weeks of gestation

37
Q

what is the most common abnormality associated with gastrochisis

A

intestinal atresia

38
Q

child with a midline neck mass that moves up and down with swallowing

A

thyroglossal duct cyst

39
Q

most common etiology for ileocolic intussusception

A

hypertrophic lymphoid patches in the terminal ileum

40
Q

what would an US 3 weeks post-op from a pyloromyotomy show in an asx patient?

A

hypertrophied pylorus even if myotomy was complete

41
Q

what are the treatment options for infants presenting with omphalocele

A
  • primary repair
  • staged repair
  • paint and wait technique
42
Q

what is the most common congenital hemostasis mutation?

A

Von Willebrand’s disease

43
Q

how do you test for Von Willebrand Disease

A

plasma Von Willebrand Disease antigen test

44
Q

first step in a new born with gastrochisis?

A

placement of a bowel bag up to the midchest

45
Q

A Meckel’s diverticulum is a remnant of what fetal structure

A

Vitellin duct

46
Q

most common solid extra-cranial tumor in children

A

Neuroblastomas

  • 85% of abdominal tumors, most present before the age of 2
47
Q

what is the silk glove sign

A

thickening of the spermatic cord on the side of a hernia, in infants

48
Q

what are indications to delay a surgery in a neonate

A
  • low weight (< 2kg)
  • major cardiac defect
  • extreme prematurity
49
Q

benefit of laparoscopic approach to hernia repair in children

A

easier to identify femoral hernias

  • length of stay and post op the same between lap and open hernia repairs
50
Q

What would be the next step in a child presenting with a white reflex in their eye

A

fundus examination, rule out retinoblastoma

51
Q

What lab measure monitors a deficiency in Factor IX

A

PTT

52
Q

when performing cannulation for ECMO in a kid with CDH, what should the surgeon be aware of

A

hypoplasia of internal jugular and carotid vessels (pertains to cervical cannulation)

53
Q

what is the maximum pressure used to reduce intussusception with air

A

120 mmHg

54
Q

Most common reason for incontinence in children after pull-through for Hirschsprung disease

A

Chronic constipation with overflow of stool

55
Q

how long of a gap would warrant delayed repair in esophageal atresia

A

1-2 vertebral spaces

  • most kids will grow enough to bridge that gap in 1-3 months
56
Q

how long of a gap would warrant traction sutures in esophageal atresia

A

greater than 2 vertebral spaces

57
Q

in which direction do you twist bowel to undo a midgut volvulus

A

counterclockwise

58
Q

infant with bilious emesis, KUB shows dilated loops of bowel and air fluid levels. Contrast enema shows micro-colon with reflux of contrast into dilated terminal ileum…what does the newborn have

A

meconium ileus

59
Q

how do you treat meconium ileus in a newborn

A
  • water soluble contrast enemas
  • resuscitation
  • successful 2/3 of the time
60
Q

infant with abnormally high direct bilirubin and HIDA scan showing failure of excretion of contrast. What is the next step

A

Percutaneous needly biopsy of the liver

  • Could be biliary atresia OR Alagille syndrome
61
Q

What does the 99m-technetium pertechnetate scan have an affinity for?

A

Gastric mucosa

62
Q

What is involved in a Ladd’s procedure

A

Lysis of adhesions, counterclockwise reduction of volvulois, appendectomy, widening of mesentery, small bowel on left, colon on right

63
Q

lateral neck mass in a child that expresses fluid, what is the most likely diagnosis

A

second branchial sinus

64
Q

Type 1 jejunoileal atresia

A

intact bowel wall and mesentery with a mucosal atresia

65
Q

Type 2 jujunoileal atresia

A

blind ends separated by a fibrous cord, but with intact mesentery

66
Q

Type 3a jujunoileal atresia

A

blind end atresia with a V-shaped mesentery defect

67
Q

Type 3b jujunoileal atresia

A

blind end atresia with large mesentery defect

68
Q

Type 4 jujnoileal atresia

A

multiple atresias

69
Q

which service should you consult for a child younger than 5 who sustained head trauma

A

ophthalmology for possible retinal damage

70
Q

Most common cause of significant GI bleed in children

A

Meckel’s diverticulum

71
Q

Most common cause of self limited GI bleed in children

A

intestinal polyps

72
Q

after laparoscopically reducing intussusception in a 2 year old the bowel looks dusky, what do you do

A

wait 10-15 minutes to see if bowel appearance improves to avoid resection and anastomosis