53 Questions
What is the primary classification of Lidocaine?
Antiarrhythmic Agent
When is Lidocaine used in cases of stable tachycardia with a pulse?
Repeat in half the initial dose
How does Lidocaine affect healthy myocardial cells?
Has no effect
What is the maximum dosage of Lidocaine for a bolus in adults?
3mg/kg
Which adverse reaction is considered serious when using Lidocaine?
Seizures
What is the recommended maintenance infusion rate for Lidocaine in pediatric patients?
20 - 50 mcg/kg/min
How should Lidocaine be administered for suspected increased intracranial pressure (ICP) in rapid sequence intubation (RSI) protocols?
As a pretreatment agent
In which of the following situations would Lidocaine be administered as an initial bolus dose of 1.0 - 1.5 mg/kg IV?
Ventricular fibrillation or pulseless ventricular tachycardia
What is the recommended concentration for preparing a Lidocaine infusion?
120 mg in 100 mL normal saline
Which of the following is a common adverse reaction associated with Lidocaine use?
All of the above
What is the mechanism of action of Lidocaine in cardiac arrhythmias?
It blocks sodium channels
What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?
0.5-0.75 mg/kg IV push slowly every 5-10 minutes, up to a maximum of 3 mg/kg
What is the primary mechanism of action of Lidocaine in treating cardiac arrhythmias?
Acts through blockage of sodium channels
In which of the following situations would Lidocaine be administered as a bolus dose of 1.0-1.5 mg/kg IV?
Cardiac arrest with ventricular fibrillation or pulseless ventricular tachycardia
What is the recommended pediatric maintenance infusion rate for Lidocaine?
20-50 mcg/kg/min IV infusion
What is the recommended concentration for preparing a Lidocaine infusion?
120 mg in 100 mL of normal saline solution
How does Lidocaine affect healthy myocardial cells?
Has little effect on them
Which of the following is a common adverse reaction associated with Lidocaine use?
Lightheadedness, tremor, confusion, hypotension, blurred vision
What is the primary classification of Lidocaine?
Antiarrhythmic Agent
How does Lidocaine affect healthy myocardial cells?
Lidocaine has little effect on healthy myocardial cells.
What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?
0.5-0.75 mg/kg IV push slowly q. 5-10 minutes, max dosage of 3 mg/kg
Which adverse reaction is considered serious when using Lidocaine?
Seizures
What is the primary mechanism of action of Lidocaine in treating cardiac arrhythmias?
Blocking sodium channels and reducing myocardial irritability, automaticity, conduction, and excitability
What is the recommended maintenance drip rate for Lidocaine in adults during a cardiac arrest?
2 - 3 mg/min
Which of the following is a common adverse reaction associated with Lidocaine use?
Blurred vision
What is the maximum recommended dosage of Lidocaine for a bolus in pediatric patients?
1.5 mg/kg
How does Lidocaine primarily affect myocardial cells?
Decreases electrical stimulation threshold
When would Lidocaine be used as a pretreatment agent according to the text?
Suspected increased ICP in RSI protocols
What is the action mechanism of Lidocaine in cardiac arrhythmias?
Normalizes refractory period
What is the primary classification of Lidocaine?
Antiarrhythmic Agent
How does Lidocaine primarily affect healthy myocardial cells?
Lidocaine has little effect on healthy myocardial cells.
What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?
0.5-0.75 mg/kg IV push slowly q. 5-10 minutes
In which of the following situations would Lidocaine be administered as a bolus dose of 1.0-1.5 mg/kg IV?
Pulseless ventricular tachycardia or ventricular fibrillation
What is the primary mechanism of action of Lidocaine in treating cardiac arrhythmias?
Lidocaine acts by increasing the electrical stimulation threshold for ventricular fibrillation.
When would Lidocaine be used as a pretreatment agent according to the text?
Prior to intubation in suspected increased intracranial pressure (ICP) situations
What is the maximum recommended bolus dosage of Lidocaine for adult patients with cardiac arrest due to ventricular fibrillation or pulseless ventricular tachycardia?
1.0-1.5 mg/kg
Which of the following is NOT a common adverse reaction associated with the use of Lidocaine?
Hypertension
In what situation would Lidocaine NOT be appropriate for use?
Stable ventricular tachycardia with a pulse
Which of the following best describes Lidocaine's action mechanism in treating cardiac arrhythmias?
Acts through blockage of sodium channels
What is the correct maintenance drip rate of Lidocaine in pediatric patients?
20-50 mcg/kg/min
Which of the following is a potential serious adverse reaction associated with the use of Lidocaine?
Seizures
What is the primary classification of Lidocaine according to the text?
Antiarrhythmic Agent
What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?
0.5-0.75 mg/kg IV push slowly q. 5-10 minutes
Which adverse reaction is considered serious when using Lidocaine?
Seizures
How does Lidocaine primarily affect healthy myocardial cells?
Lidocaine has little effect on the contractility of healthy myocardial cells.
What is the recommended maintenance drip rate for Lidocaine in pediatric patients?
20-50 mcg/kg/min
When would Lidocaine be used as a pretreatment agent according to the text?
For suspected increased ICP in RSI protocols
What is the primary classification of Lidocaine according to the text?
Antiarrhythmic Agent
What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?
0.5-0.75 mg/kg IV push slowly q. 5-10 minutes
How does Lidocaine primarily affect healthy myocardial cells?
Lidocaine has little effect on the excitability and conduction of healthy myocardial cells.
In which of the following situations would Lidocaine be administered as a bolus dose of 1.0-1.5 mg/kg IV?
Cardiac arrest due to ventricular fibrillation or pulseless ventricular tachycardia
What is the recommended maintenance infusion rate for Lidocaine in pediatric patients?
20-50 mcg/kg/min
Which adverse reaction is considered serious when using Lidocaine?
Seizures
Test your knowledge on the classification, indications, and dosage of Xylocaine (Lidocaine) drug usage. This quiz covers topics such as antiarrhythmic properties, local anesthetic effects, and recommended doses for various medical conditions.
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