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Cardiac Arrhythmias by Claire Perry 3 | CPR St. Louis

By at December 23, 2012 | 9:41 am |

Ventricular fibrillation is perhaps the most deadly arrhythmia of all.  In V-fib, as it is commonly called, chaotic impulses cause the ventricles of the heart to quiver instead of actively pumping blood.  In a study published by the American Heart Association and titled “Evidence for multiple mechanisms in Human Ventricular Fibrillation”, researchers concluded that more...

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Antiarrhythmic Drugs by Jennifer Fendler

By at December 8, 2011 | 5:53 am |

Antiarrhythmic drugs are used to treat arrhythmias, which is a condition that causes the heart to beat too fast or too slow. Since the heart rate is affected by too much or too little ions in the blood, there are many causes for arrhythmia. Antiarrhythmic drugs are classified into four groups. The four classes are Sodium-channel blockers, beta-blockers, potassium-channel more...

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