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Depresses excitability of myocardium and decreases conduction velocity through atria, His -Purkinje systems, and ventricles. Suppresses automaticity and prolongs refractory period
1. Cardiac arrest with V-Fib, V-Tach refractory to Lidocaine
2. Stable V-Tach , refractory PSVT, A-Fib with RVR in WPW syndrome
2.Myasthenia gravis in nonearrest pt
3. High degree AV block
5. Electrolyte imbalances
ADULT: V-Fib, pulseless V-Tach 20mg/min IV to max 17mg/kg
"Not commonly administered in the field for perfusing rhythmias"