Lidocaine Flashcards
Lidocaine Hydrochloride (Xylocaine) Class
Antidysrhythmic
Lidocaine Hydrochloride (Xylocaine) Mechanism of Actions
Decreases automaticity by slowing rate of phase 4 depolarization, suppresses ventricular ectopy, and increases the fibrillation threshold
Lidocaine Hydrochloride (Xylocaine) Indications
Malignant PVCs, V-tach (w/ or w/o a pulse), v-fib, occasionally as a pre-med for RSI
Lidocaine Hydrochloride (Xylocaine) Contraindications
Hypersensitivity, second- and third-degree heart blocks, wide complex ventricular escape beats with bradycardia
Lidocaine Hydrochloride (Xylocaine) Adverse Reactions
Slurred speech, seizures (high doses), AMS, confusion, lightheadedness, blurred vision, and bradycardia
Lidocaine Hydrochloride (Xylocaine) Drug Interactions
Apnea induced with succinylcholine may be prolonged with high doses of Lidocaine.
Lidocaine Hydrochloride (Xylocaine) Adult Dosage
Initial:1 – 1.5 mg/kg IV, IO may repeat in 5-10 min w/ 0.5 – 0.75 mg/kg; to a max dose of 3 mg/kg
Lidocaine Hydrochloride (Xylocaine) Adult ET Tube Dose
2 -4 mg/kg
Lidocaine Hydrochloride (Xylocaine) Stable VTach Dose
- 5 – 0.75 mg /kg and up to 1 – 1.5 mg/kg. Repeat
0. 5 – 0.75 mg/kg; to a max dose of 3 mg/kg
Lidocaine Hydrochloride (Xylocaine) Maintenance Infusion
1 – 4 mg/min diluted in either NS or D5W
Lidocaine Hydrochloride (Xylocaine) Onset
1-3 Minutes
Lidocaine Hydrochloride (Xylocaine) Peak Effect
5-10 minutes
Lidocaine Hydrochloride (Xylocaine) Duration
Variable
Lidocaine Hydrochloride (Xylocaine) Special Considerations
Reduce maintenance infusions by 50% if the patient is over 70 years of age, has liver or renal disease, or is in CHF or shock.
