Magnesium

Question 1

what are the normal levels in the body of magnesium?

Answer 1

1.5 to 2.5 mEq/L

Question 2

-deficit of magnesium

Answer 2

hypomagnesemia (< 1.5 mEq/L)

Question 3

what can cause hypomagnesemia?

Answer 3

loss of GI fluids
protein-calorie malnutrition
diabetic ketoacidosis
loop diuretics
kidney disease

Question 4

what are the signs and symptoms of hypomagnesemia?

Answer 4

Mental: nystagmus, personality changes
Heart: HT, tachycardia

Question 5

what deficiency occurs when the client displays a positive Chvostek’s sign, Babinkski’s sign and/or Trousseau’s sign?

Answer 5

hypomagnesemia

Question 6

what tests can be performed and reactions measured with hypomagnesemia?

Answer 6

Chvostek’s sign
Babinski’s sign
Trousseasu’s sign

Question 7

what is the tx for hypomagnesemia?

Answer 7

IV magnesium (administer slowly)

Question 8

-excess of magnesium

Answer 8

hypermagnesemia (> 2.5 mEq/L)

Question 9

what can cause hypermagnesemia?

Answer 9

renal insufficiency
excess intake of laxatives or antacids
treatment for preeclampsia

Question 10

what are the signs and symptoms of hypermagnesemia?

Answer 10

Mental: confusion, lethargy
Heart: hypotension, cardiac dysrhythmias

Question 11

what is the tx for hypermagnesemia?

Answer 11

dialysis
pacemaker to maintain cardiac output
mechanical ventilation

Question 12

what foods are high in magnesium?

Answer 12

green leafy vegetables
cereal grains
dried fruits and nuts

Question 13

• second most abundant cation
• used for production and use of ATP
• helps regulate cardiac function in ECF
• CNS mediator of neruomuscular transmission
• myocardial contraction
• protein metabolism
• deficits can be accompanied by Ca and phosphate deficits

Answer 13

magnesium