Automated External Defibrillator Essay

1109 words - 5 pages

What I wanted to talk about today is this life save device called a automated external defibrillator. It has become the number one way to resuscitate a person who has had a cardiac arrest unwitnessed by emergency medical services and who is still in persistent ventricular fibrillation or ventricular tachycardia. Many people have played a big role in creating this device to become more efficient, smaller and easier to use for the general public. Here are just to name a few that played a part in the creation for this device: Claude Beck, James Rand, Paul Zoll, and Frank Pantridge. The first use of a defibrillator on a patient was in 1947 on a 14 year old boy. Claude Beck was performing a open-chest surgery when the boy went into fibrillation. Beck manually massaged his heart for 45 minutes until the arrival of the defibrillator. The defibrillator he used during surgery was made by James Rand and had silver paddles the size of large teaspoons. In 1956, Paul Zoll performed the first successful external defibrillation with a more powerful defibrillator. A major breakthrough in emergency medicine occur in 1965. At the time a majority of coronary deaths occurred outside of the hospital setting since defibrillator required a main power source and were only available in hospitals it made them pretty much useless in saving lives outside of a hospital setting. Frank Pantridge often referred to as the Father of Emergency Medicine, made the first portable defibrillator in 1965. This device was power by a car battery and weighted approximately 70 kg (155 lbs). By 1968 he was able to create a defibrillator that was safer to use and only weighted 3 kg (6-7 lbs). It was argued that their was a possibility of misuse of the device if given to a untrained individual or the public. For instance if a individual was drunk or had just fainted a untrained witness might potentially deliver a unnecessary dangerous or lethal shock to the individual. Pantridge suggested that the defibrillator should include a fail-safe mechanism and should have a method of detecting if ventricular fibrillation is present. If ventricular fibrillation is not present, the device will not deliver shock to the individual.
In 1969, the first defibrillation by emergency medical technicians (EMTs) without the presence of physicians was performed in Portland, Oregon. In the early 1990's reports of successful training and use of AED by police officer and first responders we reported, but many were hesitant on using them for various reasons. In 1999, AED training was included in the American Red Cross basic CPR course. By 2004, the FDA began to allow home AEDs sales without a prescription. AED have changed a lot and have become even easier and safe to use some even include voice prompt that guide you through the process. To further explain how this device works you kind of have to understand how the heart works. Inside the heart there is a electrical system that controls the rate and rhythm of the...

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