Lab Values Notes

Question 1

Sodium

Answer 1

Watershift

Question 2

Potassium

Answer 2

Affects AP: muscle&nerve excitability.

Question 3

Hypokalemia

Answer 3

Shift: insulin &dextrose (into the cell) Deficit: diet, meds, vomiting, diarrhea

Question 4

Hyperkalemia

Answer 4

Shifts: injuries, burns, hemolysis

Increased intake, decreased output(renal failure, drugs)

Question 5

Chloride

Answer 5

Follows sodium

Question 6

Bicarbonate

Answer 6

pH assessment

Question 7

Metabolic alkalosis sx

Answer 7

HA, lethargy, tetany

Question 8

Metabolic acidosis

Answer 8

Hyperventilation, vomiting

Question 9

BUN

Answer 9

Renal function and hydration status

Question 10

Serum Creatinine

Answer 10

Kidney function

Question 11

Magnesium

Answer 11

Involved in neuromuscular and enzymatic functions. Linked with potassium (inverse)

Question 12

Calcium

Answer 12

Neuromuscular activity, endocrine function and bone health. Bound to serum albumin

Question 13

Corrected Ca

Answer 13

[0.8 x (4mg/dL-Alb] +Ca

Question 14

Hypercalcemia

Answer 14

Kidney stone, constipation. Might be due to vit.D toxicity

Question 15

Hypocalcemia

Answer 15

Tetny and parastasis (numbness tingling)

Question 16

Phosphate

Answer 16

Inversely linked to Ca

Question 17

Albumin

Answer 17

Binds ions (Ca) and drugs. Produced by liver