Lidocaine 2%

Question 1

Lidocaine classification

Answer 1

Antiarrhythmic

Question 2

Lidocaine action

Answer 2

1. Suppresses ventricular arrhythmias

2. Local anesthetic

Question 3

Lidocaine onset and duration

Answer 3

1. Immediate

2. 10 to 20 minutes

Question 4

Lidocaine invitations

Answer 4

1. Cardiac arrest from VF/VT
2. Stable VT, wide complex tachycardia’s of unknown type, wide complex PSVT
3. Block increase of ICP due to intubation
4. Anesthetic flush prior to I/O

Question 5

Lidocaine contraindication

Answer 5

Heart block

Question 6

Lidocaine precautions

Answer 6

1. Liver disease
2. CHF
3. Respiratory depression
4. Hypovolemia
5. Shock
6. Heart block

Question 7

Lidocaine dosage and administration for cardiac arrest from VF/ VT

Answer 7

1. 1-1.5mg/kg IV/IO bolus
2. For refractory VF, may give additional .05-.75mg/kg IV/IO, repeat in 5-10 min; max dose = 3mg/kg
3. ET dose; 2-3mg/kg in 10ml NS

Question 8

Lidocaine dosage and administration with perfusing stable VT, wide complex tachycardia, and significant ectopy

Answer 8

1. .05-.75mg/kg up to 1-1.5mg/kg IV/IO

2. Repeat .05-.75mg/kg every 5-10 min to max dose of 3mg/kg

Question 9

Lidocaine dosage and administration for maintenance infusion

Answer 9

Mix 1gm in 250 ml = 4mg/ml or use premixed solution at 2-4mg/min
MICRO DROPS / MIN -----MG/MIN
60-----4
45-----3
30-----2
15------1

Question 10

Lidocaine dosage and ministration for RSI premedication due to ICP

Answer 10

1.5mg/kg IV

Question 11

Lidocaine dosage and administration for IO anesthesia

Answer 11

Adult: 20-50 mg IO prior to infusion

Contraindicated in pediatrics

Question 12

Lidocaine dosage and administration for pediatrics

Answer 12

1mg/kg IV/IO, or 2-3mg/kg in 5ml NS ET

Question 13

Lidocaine adverse reactions

Answer 13

1. CNS: dizziness, confusion, Paresthesias, seizures, slurred speech
2. CV: hypotension, bradycardia
3. EENT: tinnitus, blurred vision

Question 14

Lidocaine reference in protocol

Answer 14

1. Cardiac
2. RSI
3. Pediatric cardiac arrest