Electrolytes Flashcards
1
Q
Hypokalemia EKG changes
A
Flattened T waves, U waves, ST depression
2
Q
Hyperkalemia EKG changes
A
Peaked T waves, wide QRS, prolonged PR, loss of P waves –> sine wave
3
Q
Hyperkalemia treatment
A
Calcium, bicarbonate (metabolic acidosis), beta agonist, insulin(10 units), glucose (50 ml of 50%), sodium polystyrene, loop diuretic
4
Q
Magnesium 5-10 mEq/L
A
EKG changes include wide QRS, prolonged QT and PR, and conduction abnormalities, n/v cutaneous flushing
5
Q
Magnesium 10 mEq/L
A
Muscle weakness and loss of DTRs
6
Q
Magnesium 15 mEq/L
A
Respiratory paralysis, coma
7
Q
Magnesium 20 mEq/L
A
Cardiac arrest
8
Q
What is the treatment for magnesium toxicity?
A
IV Calcium
9
Q
How is magnesium eliminated?
A
Renal, with renal failure need to alter dose
