lidocaine Flashcards
1
Q
class
A
- Class IB antiarrhythmic
- sodium channel blocker
- local/topical anesthetic
2
Q
trade name
A
Xylocaine
3
Q
routes
A
- IV
- topical
- SQ
4
Q
other Class IB antiarrhythmics
A
- mexiletine (Mexitil)
- tocainide (Tonocard)
5
Q
complications
A
- CNS effects
- drowsiness
- AMS
- paresthesias
- sz
- respiratory arrest
6
Q
interventions for CNS effects
A
- carefully monitor and notify HCP
- phenytoin for sz activity
7
Q
interventions for respiratory arrest
A
- monitor VS and ECG
- keep resuscitation equipment at bedside
8
Q
contraindications
A
- Stokes-Adams syndrome
- Wolff-Parkinson-White syndrome
- severe heart block
9
Q
precautions
A
- pregnancy (B)
- liver or renal dysfunction
- 2nd-degree heart block
- sinus bradycardia
- HF
10
Q
interactions and interventions
A
- ↓ metabolism of lidocaine, ↑ risk of toxicity
- beta blockers
- phenytoin
- monitor for CNS depression
- sedation
- irritability
- sz
- monitor lidocaine level
- ↓ dosage if indicated
11
Q
admin
A
- IV
- wt-based loading dose
- maintenance: 1-4 mg/min
- adjust according to response
- usually ≤ 24 hrs
- never give lidocaine/epinephrine (used as anesthetic)
