Chapter 17: Fluids and Electrolytes- Common Replacement Fluids Flashcards by Ahmed Alyaseen | Brainscape

Q

What accounts for tonicity?

A

Mainly electrolytes; thus, NS and LR are both isotonic, whereas 1/2 NS ishypotonic to serum

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Q

What happens to the lactate in LR in the body?

A

Converted into bicarbonate; thus, LR cannot be used as a maintenance fluid

because patients would become alkalotic

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Q

IVF replacement by anatomic site:

Gastric (NGT)

A

D5 1/2 NS + 20 KCl

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Q

IVF replacement by anatomic site:

Biliary

A

LR ± sodium bicarbonate

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Q

IVF replacement by anatomic site:

Pancreatic

A

LR ± sodium bicarbonate

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Q

IVF replacement by anatomic site:

Small bowel (ileostomy)

A

LR

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Q

IVF replacement by anatomic site:

Colonic (diarhhea)

A

LR ± sodium bicarbonate

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