how is a defibrillator built?
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The surgeon will make an incision (cut) through your skin and create space under your skin and muscle for the ICD generator. In most cases, this space is made near your left shoulder. The surgeon will place the electrode into a vein, then into your heart. This is done using a special x-ray to see inside your chest.
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The leads are wires that run between the pulse generator and the heart. These leads can deliver a burst of energy in both pacemakers and ICDs. This burst of energy can cause the heart to beat more quickly (in a pacemaker), or it can stop dangerous rapid heart rhythms (in an ICD).
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ICD indicates implantable cardioverter defibrillator; LVAD, left ventricular assist device.
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The shock is usually delivered through paddles that are placed on the patient's chest. This procedure is called Defibrillation. Sometimes, if the heart is stopped completely, the heart will restart itself within a few seconds and return to a normal electrical pattern.
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It looks similar to a pacemaker and is a little bigger than a matchbox. An ICD is made up of: a pulse generator – a battery powered electronic circuit. one or more electrode leads, which are placed into your heart through a vein.
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Automated external defibrillators (AEDs) are portable, life-saving devices designed to treat people experiencing sudden cardiac arrest, a medical condition in which the heart stops beating suddenly and unexpectedly.
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Manual defibrillators are meant to be used by trained professionals, where as AEDs are considered public access devices that can be used by anyone whether trained or untrained.
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In simpler configurations, standard single or dual chamber ventricular defibrillators have been used for atrial defibrillation purposes. In such systems, the shock vector configuration between the ventricle and the pectoral ICD usually includes the atria and therefore, successfully terminates atrial fibrillation.
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Defibrillation is a technique used in emergency medicine to terminate ventricular fibrillation or pulseless ventricular tachycardia. ... It is not effective for asystole (complete cessation of cardiac activity, more commonly known as "flatline") and pulseless electrical activity (PEA).
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HOW IS A TRADITIONAL IMPLANTABLE DEFIBRILLATOR (ICD) SYSTEM IMPLANTED? A small incision, approximately two to four inches long, will be made in your upper chest area, just below your collarbone. One or two leads will be guided through a vein into your heart, and the leads will be connected to the defibrillator.
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Defibrillation - is the treatment for immediately life-threatening arrhythmias with which the patient does not have a pulse, ie ventricular fibrillation (VF) or pulseless ventricular tachycardia (VT). Cardioversion - is any process that aims to convert an arrhythmia back to sinus rhythm.
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An AED delivers a 3000-volt charge in less than 0.001 of a second. That's enough electricity to light a 100-watt bulb for 23 seconds. The unit then instructs the user to immediately begin CPR. After two minutes, the unit will perform another analysis to see if defibrillation is needed again.
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In simplest terms, defibrillators cannot start a stopped heart. In fact, they work by stopping a heartbeat—a weird, problem heartbeat, that is. A powerful electric shock can actually CTRL-ALT-DELETE a heart that's pumping irregularly or too fast, in hopes of resetting the heart to its correct rhythm.
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An automated external defibrillator (AED) is a portable electronic device that automatically diagnoses the life-threatening cardiac arrhythmias of ventricular fibrillation (VF) and pulseless ventricular tachycardia, and is able to treat them through defibrillation, the application of electricity which stops the ...
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The voltage involved in a typical defibrillator runs from around 140 to upward of 1000 volts, and the amperage is dependent on the impedence of the patient's mass being jolted with so many Joules.
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The various parts of the defibrillator, including the control box casing, microelectronics, and the electrodes, are all made with biocompatible materials. Typically, the casing is made of a hard polystyrene plastic or lightweight metal alloy. The electrodes are made from titanium and silicone rubber.
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- Defibrillators. An AED is a lightweight, battery-operated, portable device that checks the heart's rhythm and sends a shock to the heart to restore a normal rhythm. The device is used to help people having sudden cardiac arrest. ... The electrodes send information about the person's heart rhythm to a computer in the AED.