OnlineMedEd: Surgery: Subspecialty - "Peds: Weeks to Months" Flashcards

1
Q

NEC generally presents with _____________.

A

a bloody bowel movement

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2
Q

How do you treat NEC?

A

Immediate bowel rest –NPO and TPN –with antibiotics.

If the bowel has died, surgical resection is needed.

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3
Q

The test has to tell you _____________ if they’re wanting you to diagnose CF based on meconium ileus.

A

that the patient did not have a prenatal screen (e.g., immigrant)

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4
Q

X-ray will often show ______________ in those with meconium ileus.

A

a gas-filled plug

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5
Q

How do you treat meconium ileus?

A

Water-soluble contrast enema

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6
Q

Meconium ileus can lead to what surgical emergency?

A

Perforation with peritonitis

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7
Q

Hirschprung’s results from _________________.

A

failure of the INHIBITORY neurons to migrate to the distal colon

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8
Q

Which nerve network is missing in Hischprung’s?

A

Auerbach and Mesenteric plexuses

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9
Q

Hirschprung’s can present in two ways: _____________.

A

failure to pass meconium or overflow incontinence as a toddler

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10
Q

List three diagnostic steps in Hirschprung’s.

A

1) KUB showing dilated proximal colon with constricted distal colon
2) Anal manometry showing constant tone
3) Full-thickness biopsy showing absent ganglionic neurons 2 cm above the dentate line

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11
Q

How is Hirschprung’s treated?

A

Surgical resection of bad colon

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12
Q

Why does intussusception cause pain?

A

The telescoped bowel gets ischemic because the vessels get pinched.

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13
Q

________________ often relieves the pain of intussusception.

A

The knee-to-chest position

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14
Q

___________ treats intussusception.

A

Air enema

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15
Q

Other than an x-ray showing double-bubble with normal distal gas, what imaging can diagnose pyloric stenosis?

A

US showing the donut sign

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16
Q

What BMP sign is classic for pyloric stenosis?

A

Hypokalemia, hypochloremic metabolic alkalosis

17
Q

Biliary atresia is diagnosed with what imaging study?

A

Phenobarbital HIDA scan

Phenobarbital induces bile secretion. You give it for one week and then do a HIDA to look for bile duct secretions.

18
Q

What is choanal atresia?

A

Failure of the nasal passage to develop

19
Q

___________ presents with the classic “blue while feeding, pink-while crying.”

A

Choanal atresia