1750: Electrolytes EXAM II
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What are some CAUSES of hypoKalemia?
- Diarrhea (*same for hyperNa+)
- Gastric suction
K+ (think: heart)
What are some S/SX of hypoKalemia?
- Cardiac/Resp. arrest/arrhythmia
- Leg cramps: digitalis sensitivity
- *thirst (same as hyperNatremia)
What are some Tx for hypoKalemia?
Oral/IV replacement: 40-80 mEq/day
What are some management options for hypoKalemia?
(i.e., when should you hold K+ supplements regarding output?
K+ should never be given IV _____?
- If output <20 mL/h for 2h, hold K+.
- *NO IV push.
What are some CAUSES of hyperKalemia?
- Impaired (K)idney function.
- Burns (as in hyperNatremia)
What are some S/SX of hyperKalemia?
(think: heart; muscle, Kent)
- Cardiac arrest/arrhythmia
- Muscle weakness
- Metabolic acidosis
What are some Tx for hyperKalemia?
Diet: restrict K+, K+ supplements
Give Kayexalate: replace Na+ w/ K+.
IV Ca+: counteracts MI defects.
IV insulin/Na+: moves K+ into cells.
How do you MANAGE hyperKalemia?
Avoid which medication class?
- ECG (d/t heart)
- Lab values
- Muscle weakness (rhabdo, paralysis)
- GI (d/t metal. acid)
Diet: Low K+ (cranberry juiceginger ale, honey/sugar, jelly beans)
*Avoid K+ sparing diuretics: triamterene
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