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A 40-year-old member asked:

What is the difference between amiodarone vs. lidocaine in cardiac arrest?

2 doctor answers3 doctors weighed in
Dr. James Henning
Anesthesiology 51 years experience
Many Differences..: Be more specific, if you would. Both drugs are used effectively for the arrhythmias that occur during an arrest. But their mechanisms of action, effects on heart performance, time to onset of "action, " and appropriateness as a first line of defense differ widely. If an individual has an implantable defibrillator device in place this would also affect the decision to use one or the other.
Dr. Bennett Werner
Cardiology 45 years experience
Amio preferred: Lidocaine is no longer listed in acls protocols because of reduced efficacy and potential for toxicity. Amiodarone is the preferred drug.

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A 31-year-old member asked:

What is the difference between cardiac arrest and mi?

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Dr. Carlo Hatem
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Life or death: Cardiac arrest is when the heart stops, if not immediately reversed, it's death. Myocardial infarction is when the blood supply to part of the heart is interrupted, leading to serious damage to the heart. The damage can be so severe that it leads to cardiac arrest.
A 36-year-old member asked:

What is the difference between a mi and a cardiac arrest?

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Damage vs stopping: In an mi heart muscle is damaged in a cardiac arrest the heart stops beating. Either one can cause the other.
A 36-year-old member asked:

What's difference between cardiac arrest and asystole?

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Dr. Steven Ajluni
Cardiology 36 years experience
Sudden cardiac death: Asystole is one form of cardiac arrest (sudden cardiac death), but others include dangerous ventricular arrhythmias such as ventricular tachycardia or ventricular fibrillation.
A 35-year-old member asked:

What is the difference between having asystole and having a cardiac arrest?

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Dr. William Walsh
Addiction Medicine 18 years experience
Asystole is the end: Asystole, or a heart with no electrical activity, is how we all end up at death. A cardiac arrest can start there, but usually starts with a rapid rhythm that has low or no output or a noncontractile rhythm (ventricular fibrillation). These rhythms are often reversible, asystole is usually simply death.

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Last updated Jun 26, 2014

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