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Timing the shock to the R wave prevents the delivery of the shock during the vulnerable period (or relative refractory period) of the cardiac cycle, which could induce ventricular fibrillation. If the patient is conscious, various drugs are often used to help sedate the patient and make the procedure more tolerable.
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]
Cardioversion is either achieved pharmacologically or via the application of a shock synchronized to the underlying heartbeat. It is used for the treatment of supraventricular tachycardias. In elective cardioversion, the recipient is usually sedated or lightly anesthetized for the procedure. Defibrillation differs in that the shock is not ...
Next, thrust in an inward and upward motion on the diaphragm. This will force air out of the lungs and remove the blockage. Repeat these abdominal thrusts up to five times, the doctor advised.
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 ...
Treatment depends on the type of heart rhythm shown on an electrocardiogram test, and the stability of the patient's blood circulation. If a patient has low blood pressure, difficulty breathing, chest pain, shock, or confusion, they are considered unstable and must have an electrocardiogram result checked to determine if the heart is beating ...
Electrical cardioversion, on the other hand, uses an electrical pulse of energy delivered to the heart, that is synchronized with the fast rate to be delivered on the R-wave, which is the peak of the QRS complex; and this is done to try and avoid delivering it during a vulnerable period on the T wave, in which the electrical cardioversion could ...
A few short bursts of exercise throughout the day may reduce heart disease risk by 50%, according to new research. Women specifically showed the most pronounced effects of short bursts of activity ...