Final answer:
In the ACLS algorithm, lidocaine is the indicated alternative if amiodarone is ineffective or unavailable for treating life-threatening arrhythmias. Defibrillation is the common treatment for severe fibrillation where the heart cannot effectively pump blood.
Step-by-step explanation:
Based on the Advanced Cardiac Life Support (ACLS) algorithm, if amiodarone is ineffective or unavailable, is indicated as an alternative antiarrhythmic medication for life-threatening cardiac arrhythmias such as ventricular fibrillation or ventricular tachycardia. When emergency medical situations occur and amiodarone, which functions to normalize the heart rhythm, is not effective, the algorithm suggests using lidocaine. Additionally, if the electrical activity of the heart is severely disrupted leading to cessation of electrical activity or fibrillation, and medications are not effective, the most common treatment is This procedure applies an electrical charge to the heart in an attempt to reestablish a normal sinus rhythm. External Automated Defibrillators (EADs) are increasingly available in public spaces and provide verbal instructions for laypersons to perform defibrillation in a medical emergency.