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Cardioversion is a medical procedure by which an abnormally fast heart rate (tachycardia) or other cardiac arrhythmia is converted to a normal rhythm using electricity or drugs. Synchronized electrical cardioversion uses a therapeutic dose of electric current to the heart at a specific moment in the cardiac cycle , restoring the activity of the ...
In contrast to defibrillation, synchronized electrical cardioversion is an electrical shock delivered in synchrony to the cardiac cycle. [4] Although the person may still be critically ill, cardioversion normally aims to end poorly perfusing cardiac arrhythmias, such as supraventricular tachycardia. [1] [2]
Before inserting the probe, mild to moderate sedation is induced in the patient to ease the discomfort and to decrease the gag reflex. Usually a local anesthetic spray (e.g., lidocaine , benzocaine , xylocaine ) is used for the back of the throat or as a jelly/lubricant anesthetic for the esophagus.
Cardioversion is the attempt to switch an irregular heartbeat to a normal heartbeat using electrical or chemical means. [28] Electrical cardioversion involves the restoration of normal heart rhythm through the application of a DC electrical shock. The exact placement of the pads does not appear to be important.
After 12 months, participants receiving catheter ablation were more likely to be free of atrial fibrillation, and less likely to need cardioversion. However, the evidence quality ranged from moderate to very low [ 4 ] A 2006 study, including both paroxysmal and non-paroxysmal atrial fibrillation, found that the success rates are 28% for single ...
Bernard Lown (June 7, 1921 – February 16, 2021) was a Lithuanian-American cardiologist and inventor. Lown was the original developer of the direct current defibrillator for cardiac resuscitation, and the cardioverter for correcting rapid disordered heart rhythms.
Before the LITA is divided in its more distal part, the anticoagulant heparin is administered to the patient via a peripheral line, to prevent clots. [21] Catheterization and establishment of cardiopulmonary bypass. After harvesting, the pericardium—the sac that surrounds the heart—is opened and stay sutures are placed to keep it open.
After defibrillation, chest compressions should be continued for two minutes before another rhythm check. [30] This is based on a compression rate of 100-120 compressions per minute, a compression depth of 5–6 centimeters into the chest, full chest recoil, and a ventilation rate of 10 breath ventilations per minute. [30]