Chapter 17: Fluids and Electrolytes- Hypomagnesemia Flashcards
1
Q
What are the surgical causes?
A
- TPN
- hypocalcemia
- gastric suctioning
- aminoglycosides
- renal failure
- diarrhea
- vomiting
2
Q
What are the signs/symptoms?
A
- Increased deep tendon reflexes
- tetany, asterixis
- tremor
- Chvostek’s sign
- ventricular ectopy
- vertigo
- tachycardia
- dysrhythmias
3
Q
What is the acute treatment?
A
MgSO4 IV
4
Q
What is the chronic treatment?
A
Magnesium oxide PO (side effect: diarrhea)
5
Q
What is the other electrolyte abnormality that hypomagnesemia may make it impossible to correct?
A
Hypokalemia (always fix hypomagnesemia with hypokalemia)
