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Synchronized electrical cardioversion is used to treat hemodynamically unstable supraventricular (or narrow complex) tachycardias, including atrial fibrillation and atrial flutter. It is also used in the emergent treatment of wide complex tachycardias, including ventricular tachycardia , when a pulse is present.
Ventricular tachycardia (V-tach or VT) is a cardiovascular disorder in which fast heart rate occurs in the ventricles of the heart. [3] Although a few seconds of VT may not result in permanent problems, longer periods are dangerous; and multiple episodes over a short period of time are referred to as an electrical storm.
It is only when bradycardia presents with signs and symptoms of shock that it requires emergency treatment with transcutaneous pacing. False capture with visible phantom beats [ 3 ] Some common causes of hemodynamically significant bradycardia include myocardial infarction , sinus node dysfunction and complete heart block .
Electrical cardioversion can convert AF to normal heart rhythm and is often necessary for emergency use if the person is unstable. [24] Ablation may prevent recurrence in some people. [25] For those at low risk of stroke, AF does not necessarily require blood-thinning though some healthcare providers may prescribe an anti-clotting medication. [26]
Those who have severe symptoms from an arrhythmia or are medically unstable may receive urgent treatment with a controlled electric shock in the form of cardioversion or defibrillation. [6] Arrhythmia affects millions of people. [4] In Europe and North America, as of 2014, atrial fibrillation affects about 2% to 3% of the population. [9]
Illustration of Implantable Cardioverter Defibrillator (ICD) An implantable cardioverter-defibrillator (ICD) or automated implantable cardioverter defibrillator (AICD) is a device implantable inside the body, able to perform defibrillation, and depending on the type, cardioversion and pacing of the heart.
While torsades may spontaneously revert to a normal sinus rhythm, sustained torsades requires emergency treatment to prevent cardiac arrest. [23] The most effective treatment to terminate torsades is an electrical cardioversion – a procedure in which an electrical current is applied across the heart to temporarily stop and then resynchronise ...
The catheter delivers radiofrequency energy to specific areas of the heart to disrupt abnormal electrical pathways causing arrhythmias. While it may require mild sedation or local anesthesia, it doesn't typically involve extensive cutting or suturing of tissue associated with traditional surgical procedures.
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