EM Pedia 5, Most Commons, part 5 Flashcards

1
Q

most common pathogen in gastroenteritis

A

without vaccination: rotavirus
with vaccination: norovirus

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2
Q

most common trigger of non-IgE mediated food allergy

A

proteins in cow’s milkor soy formulas

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3
Q

most frequently implicated antibiotics in C difficile diarrhea

A

clindamycin,
cephalosporin,
penicillin

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4
Q

most common cause of secondary lactase deficiency

A

acute GI infection

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5
Q

most common form of dehydration

A

isonatremic dehydration

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6
Q

most important parameter of volume status

A

change in weight

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7
Q

most common iatrogenic complciation of IV fluid therapy

A

Hyponatremia

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8
Q

most common cause of hyponatremia

A

GI losses and water intoxication

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9
Q

most common cause of hypernatremia

A

diarrhea

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10
Q

most common manifestation of hyperkalemia

A

cardiac conduction delay

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11
Q

most common cause of hypocalcemia

A

dietary deficiency and CKD

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12
Q

most common cause of hypercalcemia

A

malignancy

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13
Q

most common cause of hypermagnesemia

A

ingestion of exogenous magnesium

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14
Q

most common finding on plain abdominal radiograph in volvolus and malrotation

A

air-filled stomach with little distal gas, distal obstruction, or even normal gas pattern

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15
Q

most common cause of intestinal obstruction in children

A

intussusception

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16
Q

most significant long-term consequence of HSP

A

renal involvement (hematuria, edema, proteinuria)

17
Q

most of incarceration happens when?

A

first year of life

18
Q

most common cause of gallstone

A

hemolytic disease (sickle cell disease),
TPN,
biliary disease

19
Q

most common cause of severe LOWER GI bleeding

A

Meckel’s diverticulum

20
Q

most common cause of severe UGIB in children

A

variceal bleed