15 Questions
Which class of antiarrhythmics is indicated for ventricular arrhythmias?
Class 1
Which antiarrhythmic is associated with CNS toxicity, including muscle twitches and seizures?
Lidocaine
Which antiarrhythmic is indicated for persistent atrial fibrillation but should not be used in acute decompensated heart failure?
Dronedarone
Which antiarrhythmic activates potassium channels in the atria and blocks calcium channels, leading to hyperpolarization and decreased conduction velocity?
Adenosine
Which antiarrhythmic is associated with thyroid abnormalities due to its iodine content?
Amiodarone
Which antiarrhythmic is classified as a Na channel blocker and is indicated for ventricular arrhythmias?
Quinidine
Which antiarrhythmic is associated with CNS toxicity, including drowsiness, confusion, and nystagmus?
Mexiletine
Which antiarrhythmic is classified as a K+ channel blocker and is indicated for all-purpose use in ventricular tachycardia and atrial fibrillation/flutter?
Amiodarone
Which antiarrhythmic activates potassium channels in the atria and blocks calcium channels, leading to hyperpolarization and decreased conduction velocity?
Adenosine
Which antiarrhythmic is associated with thyroid abnormalities due to its iodine content?
Amiodarone
Which antiarrhythmic is indicated for ventricular tachycardia and atrial fibrillation/flutter, and decreases excitability by blocking sodium channels?
Flecainide
Which antiarrhythmic is associated with central nervous system toxicity, including drowsiness, confusion, restlessness, and muscle twitches?
Lidocaine
Which antiarrhythmic is classified as a beta blocker and is indicated for acute ventricular tachycardia?
Esmolol
Which antiarrhythmic is a potassium channel blocker that prolongs the action potential and is indicated for ventricular tachycardia and atrial fibrillation/flutter?
Amiodarone
Which antiarrhythmic activates potassium channels in the atria and blocks calcium channels, leading to hyperpolarization and decreased conduction velocity?
Adenosine
Test your knowledge on antiarrhythmics with this quiz! Explore Class 1 Na channel blockers and Class 2 Beta Blockers, and learn about their indications and potential side effects. Challenge yourself with questions on specific medications like Quinidine, Lidocaine, Mexiletine, Flecainide, and more.
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