Critical Care 5

Question 1

2 findings in thyroid function tests typical of no thyroidal illness syndrome (euthyroid sick syndrome)

Answer 1

Low triiodothyronine (T3) and high reverse T3

Question 2

Sulfonylurea antidote (other than sugar)

Answer 2

Octeeotide

Question 3

Why is octreotide given for sulfonylurea overdose?

Answer 3

Suppresses further insulin release from pancreatic islet β cells

Question 4

Organophosphate antidote

Answer 4

Pyridostigmine

Question 5

Mechanism of organophosphate toxicity

Answer 5

Cholinergic excess (acetylcholinesterase inhibitor)

Question 6

Symptoms of cholinergic toxicity

Answer 6

DUMBBELS

Diarrhea, urination, bronchospasm, bradycardia, emesis, lacrimation, salivation

Question 7

How would lithium cause hypernatremia?

Answer 7

Nephrogenic DI

Question 8

A pressure gradient of ___ or more should prompt exchange of the oxygenator in an ECMO circuit.

Answer 8

70 mmHg

Question 9

What is the most common cause for an elevated pressure gradient in an ECMO circuit?

Answer 9

Clot on oxygenator

Question 10

Lab to get if pt presents w/ anaphylaxis

Answer 10

Tryptase