Certified Nurses Operating Room (CNOR) Practice Exam

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Prepare for the Certified Nurses Operating Room Test. Utilize flashcards and multiple choice questions; each accompanied by hints and in-depth explanations. Ace your exam with confidence!

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Which of the following is NOT a medication used to treat arrhythmias in a patient experiencing MH?

Lidocaine
Amiodarone
Calcium channel blockers
Beta blockers

The correct answer is: Calcium channel blockers

Calcium channel blockers are not typically used in the management of arrhythmias during an episode of Malignant Hyperthermia (MH). Instead, the other options, such as lidocaine, amiodarone, and beta blockers, are effective medications for treating arrhythmias. Lidocaine is commonly utilized for ventricular arrhythmias, while amiodarone can manage both atrial and ventricular arrhythmias. Beta blockers are also effective in controlling heart rate and arrhythmias but must be used cautiously in the context of MH due to potential interactions with the patient's physiology during an acute episode. Thus, while other medications are indicated for arrhythmias, calcium channel blockers do not have a role in the acute treatment of arrhythmias in the setting of Malignant Hyperthermia.