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An automated external defibrillator or automatic electronic defibrillator (AED) is a portable electronic device that automatically diagnoses the life-threatening cardiac arrhythmias of ventricular fibrillation (VF) and pulseless ventricular tachycardia, [1] and is able to treat them through defibrillation, the application of electricity which stops the arrhythmia, allowing the heart to re ...
The use of cardiac defibrillation started in 1947 - first in an open chest and ten years later through a closed chest with high energy levels. In 1972, cardiac defibrillation with intracardiac electrodes delivering much less energy of as low as 30 joules was established, following the development of portable units delivering high energy levels ...
Every year sudden cardiac arrest (SCA) kills between 35,000 and 45,000 people in Canada [1] and approximately 350,000 people in the United States; 85% of SCAs are caused by ventricular fibrillation (VF). [2] Receiving defibrillation from an automated external defibrillator (AED) is a key component of the 'chain of survival' for victims
The authors of the new study — which analyzed 1,799 cardiac arrests that took place either at home or in public settings in Kansas City, Mo., between 2019 and 2022 — wanted to know whether ...
Trained health professionals have more limited use for AEDs than manual external defibrillators. [18] Recent studies show that AEDs does not improve outcome in patients with in-hospital cardiac arrests. [18] [19] AEDs have set voltages and does not allow the operator to vary voltage according to need. AEDs may also delay delivery of effective CPR.
Similarly, ICD use in primary prevention is to prevent cardiac death in patients who are at risk for sustained ventricular tachycardia or ventricular fibrillation. This population accounts for the bulk of all ICD implants. There are a multitude of guideline indications for ICD use in primary preventions with varying degree of supporting evidence.
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