Na+ Channel Blockers Flashcards
What is the other name for xylocaine?
Lidocaine
What is the other name for lidocaine?
Xylocaine
What class of drug is lidocaine?
Antidysrhythmic (Sodium channel blocker)
What are is the other name, and class for lidocaine?
Xylocaine and antidysrhythmic
What are the indications for lidocaine?
Vtach and Vfib
What are the indications for lidocaine and the adult dose?
Vtach/ Vfib
1-1.5 mg/kg IV (q 3-5 min) max 3mg/kg
Consider 1/2 for elderly
Post conversion: 2-4 mg/min(1 g/ 250cc)
What are the indications for lidocaine and the pediatric dose?
Vtach/Vfib
1mg/kg IV (q 3-5 min to a max of 3mg/kg)
Post conversion: 20-50 mcg/kg/min
What are the contraindications for lidocaine?
Hypersensitivity to amide-type local anesthetics, supraventricular dysrhythmias,
Stokes-Adams syndrome,
2nd- and 3rd-degree heart blocks,
and bradycardias.
What are the precautions for lidocaine?
Hepatic or renal impairment,
CHF, hypoxia, respiratory depression, hypovolemia, myasthenia gravis, shock, elderly
What is the description for lidocaine?
Lidocaine is an antidysrhythmic that suppresses automaticity and raises stimulation threshold of the ventricles. It also causes sedation, anticonvulsant, and analgesic effects.
What are the standard concentrations for lidocaine?
Bristajet 100mg/ 5 ml
Premix 1 g/250 ml or 2 g/ 500 ml
What is the other name for procainamide?
Pronestyl
What is the other name for pronestyl?
Procainamide
What is the class of procainamide?
Anti-arrhythmic (NA+ Blocker)
What is the class and indications for procainamide?
Anti-arrhythmic (NA+ Blocker)
Vfib and pulseless Vtach refractory to lidocaine
What are the class, Indications, and adult dose for procainamide?
Anti-arrhythmic (NA+ Blocker)
Vfib and pulseless Vtach refractory to lidocaine
20 to 30 mg/min IV drip @ 6-8mg/kg
What are the class, indication, and pediatric dose for procainamide?
Anti-arrhythmic (NA+ Blocker)
Vfib and pulseless Vtach refractory to lidocaine
15 mg/kg/IV/IO over 30 to 60 min.
What are the 4 stop points of procainamide?
Stop points: (1) up to 17 mg/kg to effect, then 1 to 4 mg/min (2) ectopy resolves (3) QRS complex widens more than 50% from original (4) hypotension ensues.
What are the contraindications for procainamide?
Hypersensitivity to procainamide or procaine, myasthenia gravis, and 2nd- or 3rd-degree heart block.
What are the precautions of procainamide?
Hypotension, cardiac enlargement, CHF, AMI, ventricular dysrhythmias from digitalis, hepatic or renal impairment, or bronchial asthma.
What are the standard concentrations for procainamide?
Mix 1-2 g/250
vial 1g/10 ml