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what is the dosage of magnesium sulfate in adults with torsade de pointes w/ a pulse or AMI w/ hypomagnesemia
loading dose 1-2g mixed in 50-100 ml D5W over 5-60 min IV/IO
what is the dosage of magnesium sulfate in adults in cardiac arrest due to hypomagnesemia or torsade de pointes?
1-2g (2-4ml of a 50%solution) diluted in 10 ml of D5W IV/IO over 5-20 min
what is the dosage of magnesium sulfate for adults with seizure activity w/ pregnancy
1-4 g IV/IO over 3 min. (max 30-40g/day)
what is the asthma dosage for pediatric of magnesium sulfate
25-50 mg/kg (max 2g) over 10-20 min
what is the pediatric IV/IO infusion dosage for magnesium sulfate
25-50 mg/kg (max 2g) over 10-20 min, faster for torsade de pointe
how is magnesium sulfate supplied
10%, 12%, 50% solution in 80, 100, 125 mg/ml
side effects of magnesium sulfate
1. CNS depression
2. circulatory collapse
3. depressed reflexes
4. hypotension
5. diapheretic
contraindications of magnesium sulfate
1. heart block
2. myocardial damage
indications for use of magnesium sulfate
1. class IIa agent for v-fib/pulseless v-tach thats refactory to lidocaine
2. hypomagnesemia
3. torsade de pointes
4. seizures of eclampsia
what class is magnesium sulfate?
electrolyte
what is the loading dose in pediatrics for procainamide
15 mg/kg IV/IO over 30-60 min
what is the maintnence infusion of procainamide in adult?
1-4mg/min (dilute in D5W or NS)
dosage of procainamide in adult for other indications
20mg/min IV infusion until any one of the following occurs:
arrhythmia suppresion
hypotension
QRS widens by greater than 50% of its pretreatment width
total dose of 17mg/kg has been met
dosage of procainamide for urgent situations in adult
up to 50mg/min (max of 17mg/kg)
dosage of procainamide in adult for recurrent v-fib/ pulseless v-tach
20 mg/min iv infusion (max. 17mg/kg)
how is procainamide supplied
1. 1g in 10ml vials(100mg/ml)
2. 1g in 2ml vials (500mg/ml) for infusion
side effects of procainamide
1. widening of PR, QRS, QT intervals
2. AV heart block
3. hypotension
4. reflex tachycardia
5. bradycardia
major contraindications of procainamide?
1. torsade de pointes
2. 2nd or 3rd degree block (without pacemaker)
3. digitalis toxicity
4. tricyclic antidepresent overdose
indications for use of procainamide?
1. stable monomorphic v-tach with normal QT interval
2. reentry SVT uncontrolled by vagal maneuvers & adenosine
3. stable wide complex tachcardia of unknown origin
4. atrial fibrilation with rapid ventricular rate in patients with wolff-parkinson white syndrome
what type of drug is procainamide?
antiarrhytmic
Author
jenygibler
ID
38898
Card Set
meds
Description
procainamide and magnesium sulfate
Updated
2010-10-01T05:05:02Z
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