Magnesium

Question 1

What does Mg+ do for the body? Ie the functions

Answer 1

Supports the muscle and nerve function
Transports and stores energy
Maintains blood glucose, neurologic function, ATP formation, fights inflammation, skeletal muscle contraction

Question 2

What can cause HYPOmagnesemia?

Answer 2

Chronic Alcohol use #1 cause
Renal failure
GI loss: NG or Diarrhea
Diuretics

Question 3

What are the S/S of HYPOmagnasemia?

Answer 3

Tetany, twitches, parasthesias
Positive Trousseau and Chvosteks signs
Increased DTRs
Laryngeal Stridor
Tachycardia

Question 4

What are some nursing interventions for HYPOmagnesemia?

Answer 4

Replace Mg+ and Ca+ (IV or PO)
Seizure precautions
Monitor DTRs
Discontinue medications that cause Mg+ loss
Monitor K+ if Mg+ is low
When replacing Mg+ IV slowly can cause increased HR

Question 5

What can cause HYPERmagnesemia?

Answer 5

Increased Mg+ intake
Decreased renal excretion of Mg+

Question 6

What are S/S of HYPERmagnesemia?

Answer 6

Low and shallow respirations
Bradycardia
Hypotension
Hypoactive bowel sounds
Drowsiness/ lethargy
Diminished or Absent DTRs

Question 7

How can the nurse treat HYPERmagnesemia?

Answer 7

Ca+ Gluconate for Mg+ overdose
Diuretics for Mg+ excretion