Magnesium Sulfate

Question 1

Mag classification

Answer 1

Antiarrhythmic, anticonvulsant, CMS depressant, electrolyte

Question 2

Mag action

Answer 2

1. Maintains magnesium levels
2. Reduce muscle contractions but interfering with the release of acetylcholine at the myoneural junction
3. Stabilized cell membranes and hyperkalemia

Question 3

Mag onset and duration

Answer 3

1. 1-2 minutes

2. 30 minutes

Question 4

Mag indications

Answer 4

1. PREECLAMPTIC AND ECLAMPSIA SEIZURES
2. VENTRICULAR ARRHYTHMIAS DUE TO DIG TOXICITY AND TRICYCLIC OD
3. TORSADES
4. RESPIRATORY DISTRESS (ASTHMA)

Question 5

Mag contraindications

Answer 5

1. IMPAIRED RENAL FUNCTION
2. Myocardial damage or heart block
3. DIALYSIS
4. Hypocalcemia

Question 6

Mag precautions

Answer 6

1. PATIENTS TAKING DIGITALIS

2. Excessive dose may cause respiratory depression cardiac arrest

Question 7

Mag dosage and administration for eclamptic seizures

Answer 7

2-4ml SLOW IV push over 5 min

Question 8

Mag dosage and administration

1. cardiac arrest
2. torsades

Answer 8

1. 1-2gm in 10ml NS IV/IO

2. 1-2gm in 50-100ml NS infused over 5-60 mil

Question 9

Mag dosage and administration for asthma

Answer 9

1-2gm IV slowly

Question 10

Mag pediatric dose

Answer 10

Contact MBCH

Question 11

Mag adverse reactions

Answer 11

1. CNS; week reflexes, Flaccid paralysis, hypothermia, drowsiness
2. CV: slow week pulses., Hypertension, Flushing, monitor ECG continuously
3. Respiratory depression
4. Antidote is calcium chloride

Question 12

Mag referencing protocol

Answer 12

Cardiac
Respiratory (dif breath)
Medical (active siezure)
OB/GYN (hypertensive and pregnant)