Xylocaine (Lidocaine) Drug Classification Quiz

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Questions and Answers

What is the primary classification of Lidocaine?

  • Antihistamine
  • Antibiotic
  • Antiarrhythmic Agent (correct)
  • Analgesic

When is Lidocaine used in cases of stable tachycardia with a pulse?

  • For the initial dose only
  • Repeat in half the initial dose (correct)
  • In place of defibrillation
  • As a continuous infusion

How does Lidocaine affect healthy myocardial cells?

  • Reduces irritability
  • Increases contractility
  • Increases excitability
  • Has no effect (correct)

What is the maximum dosage of Lidocaine for a bolus in adults?

<p>3mg/kg (D)</p> Signup and view all the answers

Which adverse reaction is considered serious when using Lidocaine?

<p>Seizures (B)</p> Signup and view all the answers

What is the recommended maintenance infusion rate for Lidocaine in pediatric patients?

<p>20 - 50 mcg/kg/min (D)</p> Signup and view all the answers

How should Lidocaine be administered for suspected increased intracranial pressure (ICP) in rapid sequence intubation (RSI) protocols?

<p>As a pretreatment agent (A)</p> Signup and view all the answers

In which of the following situations would Lidocaine be administered as an initial bolus dose of 1.0 - 1.5 mg/kg IV?

<p>Ventricular fibrillation or pulseless ventricular tachycardia (B)</p> Signup and view all the answers

What is the recommended concentration for preparing a Lidocaine infusion?

<p>120 mg in 100 mL normal saline (B)</p> Signup and view all the answers

Which of the following is a common adverse reaction associated with Lidocaine use?

<p>All of the above (D)</p> Signup and view all the answers

What is the mechanism of action of Lidocaine in cardiac arrhythmias?

<p>It blocks sodium channels (C)</p> Signup and view all the answers

What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?

<p>0.5-0.75 mg/kg IV push slowly every 5-10 minutes, up to a maximum of 3 mg/kg (B)</p> Signup and view all the answers

What is the primary mechanism of action of Lidocaine in treating cardiac arrhythmias?

<p>Acts through blockage of sodium channels (A)</p> Signup and view all the answers

In which of the following situations would Lidocaine be administered as a bolus dose of 1.0-1.5 mg/kg IV?

<p>Cardiac arrest with ventricular fibrillation or pulseless ventricular tachycardia (D)</p> Signup and view all the answers

What is the recommended pediatric maintenance infusion rate for Lidocaine?

<p>20-50 mcg/kg/min IV infusion (C)</p> Signup and view all the answers

What is the recommended concentration for preparing a Lidocaine infusion?

<p>120 mg in 100 mL of normal saline solution (D)</p> Signup and view all the answers

How does Lidocaine affect healthy myocardial cells?

<p>Has little effect on them (B)</p> Signup and view all the answers

Which of the following is a common adverse reaction associated with Lidocaine use?

<p>Lightheadedness, tremor, confusion, hypotension, blurred vision (C)</p> Signup and view all the answers

What is the primary classification of Lidocaine?

<p>Antiarrhythmic Agent (D)</p> Signup and view all the answers

How does Lidocaine affect healthy myocardial cells?

<p>Lidocaine has little effect on healthy myocardial cells. (B)</p> Signup and view all the answers

What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?

<p>0.5-0.75 mg/kg IV push slowly q. 5-10 minutes, max dosage of 3 mg/kg (B)</p> Signup and view all the answers

Which adverse reaction is considered serious when using Lidocaine?

<p>Seizures (A)</p> Signup and view all the answers

What is the primary mechanism of action of Lidocaine in treating cardiac arrhythmias?

<p>Blocking sodium channels and reducing myocardial irritability, automaticity, conduction, and excitability (D)</p> Signup and view all the answers

What is the recommended maintenance drip rate for Lidocaine in adults during a cardiac arrest?

<p>2 - 3 mg/min (B)</p> Signup and view all the answers

Which of the following is a common adverse reaction associated with Lidocaine use?

<p>Blurred vision (D)</p> Signup and view all the answers

What is the maximum recommended dosage of Lidocaine for a bolus in pediatric patients?

<p>1.5 mg/kg (B)</p> Signup and view all the answers

How does Lidocaine primarily affect myocardial cells?

<p>Decreases electrical stimulation threshold (B)</p> Signup and view all the answers

When would Lidocaine be used as a pretreatment agent according to the text?

<p>Suspected increased ICP in RSI protocols (C)</p> Signup and view all the answers

What is the action mechanism of Lidocaine in cardiac arrhythmias?

<p>Normalizes refractory period (A)</p> Signup and view all the answers

What is the primary classification of Lidocaine?

<p>Antiarrhythmic Agent (A)</p> Signup and view all the answers

How does Lidocaine primarily affect healthy myocardial cells?

<p>Lidocaine has little effect on healthy myocardial cells. (A)</p> Signup and view all the answers

What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?

<p>0.5-0.75 mg/kg IV push slowly q. 5-10 minutes (C)</p> Signup and view all the answers

In which of the following situations would Lidocaine be administered as a bolus dose of 1.0-1.5 mg/kg IV?

<p>Pulseless ventricular tachycardia or ventricular fibrillation (B)</p> Signup and view all the answers

What is the primary mechanism of action of Lidocaine in treating cardiac arrhythmias?

<p>Lidocaine acts by increasing the electrical stimulation threshold for ventricular fibrillation. (D)</p> Signup and view all the answers

When would Lidocaine be used as a pretreatment agent according to the text?

<p>Prior to intubation in suspected increased intracranial pressure (ICP) situations (D)</p> Signup and view all the answers

What is the maximum recommended bolus dosage of Lidocaine for adult patients with cardiac arrest due to ventricular fibrillation or pulseless ventricular tachycardia?

<p>1.0-1.5 mg/kg (B)</p> Signup and view all the answers

Which of the following is NOT a common adverse reaction associated with the use of Lidocaine?

<p>Hypertension (A)</p> Signup and view all the answers

In what situation would Lidocaine NOT be appropriate for use?

<p>Stable ventricular tachycardia with a pulse (B)</p> Signup and view all the answers

Which of the following best describes Lidocaine's action mechanism in treating cardiac arrhythmias?

<p>Acts through blockage of sodium channels (B)</p> Signup and view all the answers

What is the correct maintenance drip rate of Lidocaine in pediatric patients?

<p>20-50 mcg/kg/min (D)</p> Signup and view all the answers

Which of the following is a potential serious adverse reaction associated with the use of Lidocaine?

<p>Seizures (B)</p> Signup and view all the answers

What is the primary classification of Lidocaine according to the text?

<p>Antiarrhythmic Agent (C)</p> Signup and view all the answers

What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?

<p>0.5-0.75 mg/kg IV push slowly q. 5-10 minutes (C)</p> Signup and view all the answers

Which adverse reaction is considered serious when using Lidocaine?

<p>Seizures (B)</p> Signup and view all the answers

How does Lidocaine primarily affect healthy myocardial cells?

<p>Lidocaine has little effect on the contractility of healthy myocardial cells. (D)</p> Signup and view all the answers

What is the recommended maintenance drip rate for Lidocaine in pediatric patients?

<p>20-50 mcg/kg/min (C)</p> Signup and view all the answers

When would Lidocaine be used as a pretreatment agent according to the text?

<p>For suspected increased ICP in RSI protocols (A)</p> Signup and view all the answers

What is the primary classification of Lidocaine according to the text?

<p>Antiarrhythmic Agent (B)</p> Signup and view all the answers

What is the recommended adult dose of Lidocaine for a perfusing arrhythmia?

<p>0.5-0.75 mg/kg IV push slowly q. 5-10 minutes (B)</p> Signup and view all the answers

How does Lidocaine primarily affect healthy myocardial cells?

<p>Lidocaine has little effect on the excitability and conduction of healthy myocardial cells. (B)</p> Signup and view all the answers

In which of the following situations would Lidocaine be administered as a bolus dose of 1.0-1.5 mg/kg IV?

<p>Cardiac arrest due to ventricular fibrillation or pulseless ventricular tachycardia (C)</p> Signup and view all the answers

What is the recommended maintenance infusion rate for Lidocaine in pediatric patients?

<p>20-50 mcg/kg/min (D)</p> Signup and view all the answers

Which adverse reaction is considered serious when using Lidocaine?

<p>Seizures (C)</p> Signup and view all the answers

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