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A normal chest X-ray after placement of an ICD, showing the ICD generator in the upper left chest and the ICD lead in the right ventricle of the heart. Note the 2 opaque coils along the ICD lead. The process of implantation of an ICD system is similar to implantation of an artificial pacemaker. In fact, ICDs are composed of an ICD generator and ...
Defibrillation is often an important step in cardiopulmonary resuscitation (CPR). [6] [7] CPR is an algorithm-based intervention aimed to restore cardiac and pulmonary function. [6] Defibrillation is indicated only in certain types of cardiac dysrhythmias, specifically ventricular fibrillation (VF) and pulseless ventricular tachycardia.
The ECG electrodes are placed inside the fabric garment on the chest providing two independent ECG leads. Prior to delivering a therapeutic shock, the dry defibrillator electrodes automatically deploy conductive gel to protect the skin from possible injury from the treatment. The WCD can deliver up to five consecutive shocks per sequence.
Cardiac monitoring generally refers to continuous or intermittent monitoring of heart activity to assess a patient's condition relative to their cardiac rhythm.Cardiac monitoring is usually carried out using electrocardiography, which is a noninvasive process that records the heart's electrical activity and displays it in an electrocardiogram. [1]
The ILR records by "freezing" the electrical information preceding, during and after the symptoms in the format of an electrocardiogram. [1] The technician or physician can download and review the recorded events during an office visit using a special programmer [ 4 ] or via online data transmission.
Electrocardiography is the process of producing an electrocardiogram (ECG or EKG [a]), a recording of the heart's electrical activity through repeated cardiac cycles. [4] It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart [ 5 ] using electrodes placed on the skin.
When heart arrest occurs outside of a hospital, the main treatment is a shock with an automatic external defibrillator. These defibrillators are commonly installed in public places like train ...
Depending on the physique of a person, the S-ICD may be more visible with bare chest. The procedure usually requires deep sedation or general anaesthesia, as creating a larger pocket between the muscles and tunnelling the lead over the sternum, as well as performing defibrillation threshold testing, can be quite painful.