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SUPRA-VENTRICULAR TACHYCARDIA



SUPRA-VENTRICULAR TACHYCARDIA

 


SVT is a rapid heart beat arising from the top chambers of the heart. There are several causes of SVT. SVT often arises from an extra circuits in the heart which is present at birth and is activated later in life. The most common circuit is in the middle of the hearts electrical system next to AV node called dual AV nodes and AVNRT (The AV node electrically joins the top chambers called atria and bottom chambers called ventricles). Extra circuits joining the top and bottom chambers of the heart may also be present on the right or left side of the heart (WPW). Finally the source can be a single focus coming from the right or left top chamber of the heart (atrial tachycardia).

The diagnosis is usually made by electrocardiogram or event monitor during an episode of SVT. To stop an acute episode vagal maneuvers such as bearing down can help. In the long termthe treatment for SVT is usually medication or an ablation. While medications can sometimes reduce the severity of the episodes they do no eliminate the extra. An ablation is a relatively low risk procedure that eliminates the extra circuit and cures the problem.

For pacemakers or defibrillators
Risks of procedure are mainly infection – if that occurs, the entire system must be removed, injury to the lung requiring placement of a chest tube for 1-2 days, injury to the heart muscle or lead dislodgement requiring repositioning. The risk of any of these is less than 1 percent.

The risk of SVT ablation or VT ablation is injury to a vein in the groin which can require local surgery, injury to the heart muscle or ending up needing a pacemaker. The risk of any of these is well below 1 percent.

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Cardiac Arrhythmia Services

We are sometimes referred to as the electricians of the heart. We treat all types of heart rhythm disorders: hearts that beat slowly, quickly or erratically. We evaluate patients with palpitations to help diagnose the etiology of palpitations and then cure the underlying problem. In addition to palpitations, shortness of breath, fatigue, anxiety, dizziness (syncope) are some other manifestations of arrhythmia.

Common arrhythmias that we deal with are atrial fibrillation, supraventricular tachycardia (SVT) and ventricular tachycardia (VT). We usually try medication to treat arrhythmias but when medications are insufficient we may recommend an ablation procedure.

There are different types of ablation but they all aim at eliminating the source of the arrhythmia. Our practice is at the forefront of technology and we use the newest techniques and equipment available to provide the safest and most effective therapy to our patients. We implant and manage all types of pacemakers and defibrillators. We have one of the largest and most efficient remote monitoring programs in the state of Florida. Remote monitoring allows us to watch over and treat our patients in between their office visits. At Cardiac Arrhythmia Services we have 3 cardiac electrophysiologists, 2 physician assistants, 2 remote monitoring technicians, 3 nurses and a staff of 19 people who all work together on daily basis to ensure that our patients get the best care possible.

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