Lidocaine Flashcards

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1
Q
Lidocaine Hydrochloride (Xylocaine)
Class
A

Antidysrhythmic

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2
Q
Lidocaine Hydrochloride (Xylocaine)
Mechanism of Actions
A

Decreases automaticity by slowing rate of phase 4 depolarization, suppresses ventricular ectopy, and increases the fibrillation threshold

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3
Q
Lidocaine Hydrochloride (Xylocaine)
Indications
A

Malignant PVCs, V-tach (w/ or w/o a pulse), v-fib, occasionally as a pre-med for RSI

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4
Q
Lidocaine Hydrochloride (Xylocaine)
Contraindications
A

Hypersensitivity, second- and third-degree heart blocks, wide complex ventricular escape beats with bradycardia

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5
Q
Lidocaine Hydrochloride (Xylocaine)
Adverse Reactions
A

Slurred speech, seizures (high doses), AMS, confusion, lightheadedness, blurred vision, and bradycardia

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6
Q
Lidocaine Hydrochloride (Xylocaine)
Drug Interactions
A

Apnea induced with succinylcholine may be prolonged with high doses of Lidocaine.

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7
Q
Lidocaine Hydrochloride (Xylocaine)
Adult Dosage
A

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

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8
Q
Lidocaine Hydrochloride (Xylocaine)
Adult ET Tube Dose
A

2 -4 mg/kg

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9
Q
Lidocaine Hydrochloride (Xylocaine)
Stable VTach Dose
A
  1. 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

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10
Q
Lidocaine Hydrochloride (Xylocaine)
Maintenance Infusion
A

1 – 4 mg/min diluted in either NS or D5W

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11
Q
Lidocaine Hydrochloride (Xylocaine)
Onset
A

1-3 Minutes

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12
Q
Lidocaine Hydrochloride (Xylocaine)
Peak Effect
A

5-10 minutes

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13
Q
Lidocaine Hydrochloride (Xylocaine)
Duration
A

Variable

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14
Q
Lidocaine Hydrochloride (Xylocaine)
Special Considerations
A

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.

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