Dx of Potassium Homeostasis Flashcards
1
Q
Normal Potassium
A
3.5 - 5.3
2
Q
K Ration EC/IC
A
1:35
3
Q
Daily Dietary intake K
A
40 to 120 mEq
4
Q
Obligatory K Loss
A
30 mEq/day
5
Q
How does exercise affect K?
A
- Releases K from muscles into blood
- Catecholamines stimulate K shift into cells
6
Q
Causes of Hypokalemia
A
- Inadequate intake
- Cellular translocation (Alkalosis, Hypothermia, poison))
- Loss of Body K (GI, Skin, Renal)
7
Q
Hypokalemia Tx
A
- Emergency measures/acute treatment options
- Correct cause of K distrubance
- Replenish /suppliment
- Monitor
- asses risk factors
8
Q
Hypokalemia EKG
A
Bifid equivalentT/U wave (3) -> Bifid T/U wave; U wave more pronounced (2) -> Minimal T Wave, pronounced U Wave (1)
9
Q
Hyperkalemia Causes
A
- Pseudohyperkalemia (thrombocytosis, leukocytosis)
- INC intake
- Impaired Renal excretion (Type IV RTA; renal failure)
- INC IC K Release (Insulinopenial Beta Blockers; strenuous exercise)
10
Q
EKG Hyperkalemia
A
Peaked T Waves;
