Magnesium Sulfate

Question 1

Magnesium Sulfate action?

Answer 1

-activates intracellular enzyme activity, binds messenger RNA to ribosomes

-essential for neuromuscular function, muscle contraction, cardiac function

Question 2

Magnesium Sulfate Therapeutic Uses?

Answer 2

-treat and prevent hypomagnesemia

• prevent and teat low magnesium levels

-can be used as a laxative

• IV MG is used to stop pre term labor

-Used in eclampsia ( to prevent seizures) for pregnant pt,
-prevent cardiac arrhythmias

-used for malnutrition, chronic alcoholism, diarrhea, and diuretic therapy

Question 3

Magnesium Sulfate complications?

Answer 3

-Muscle weakness

-painful muscle contraction

-Suppression of AV conduction in the heart, respiratory depression

-Diarrhea ( oral MG)

-flaccid paralysis

Question 4

Magnesium Sulfate severe complications?

Answer 4

-Hypermagnesmia

-Iv MG can cause hypotension and cardiac arrest

Question 5

Magnesium Sulfate contraindications

Answer 5

-Pregnancy ( avoid admin within 2 hrs of delivery)

-with patients who have a AV block

-rectal bleeed

-N/V,Abdominal pain

-Use in caution for people with renal and cardiac disease

-Hypermagnesmia

-Caution in pt with CNS depression ( can enhance sedation)

-Monitor when use for eclampsia to avoid toxicity

Question 6

Magnesium Sulfate Interactions?

Answer 6

-decreases the absorption of tetracycline and digoxin

Question 7

Magnesium Sulfate pt education?

Answer 7

-teach pt to each a source of MG ( legumes, leafy greens, nuts, bananas)

-IV MG infuse slowly to avoid hypotension or cardiac complications

-assess and monitor for signs of toxicity ( hypotension, respiratory depression
monitor for hypermagnesmia ( arrhythmia)

Question 8

Magnesium Sulfate dose?

Answer 8

10-30 g with 8 oz of water a day