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su·pra·ven·tric·u·lar tach·y·car·di·a (SVT),
supraventricular tachycardiaParoxysmal atrial tachycardia Cardiology An arrhythmia initiated by a premature atrial beat in the AV node, SA node, or bundle to the point of bifurcation; once the ventricle contracts, an echo atrial beat is stimulated via a retrograde tract, resulting in a reverberating re-entry phenomenon, resulting in an atrial rate of 180-300 beats/min Management Simple vagal stimulation–eg, carotid sinus massage, ice bag, breath-holding; if intense, cardioversion or digoxin therapy
supraventricular tachycardiaEpisodes of abnormally fast heart-rate lasting for hours or days. The rate may be as high as 300 beats per minute but is usually between 140 and 180. It is caused by fast spontaneous impulses, arising in the upper chambers of the heart, that over-ride the natural pacemaker. There may be chest pain, breathlessness, consciousness of the heart action (PALPITATIONS) and faintness. Attacks may be stopped by the VALSALVA MANOEUVRE or by the use of antiarrhythmic drugs. Sometimes electrical cardioversion is necessary.
Patient discussion about supraventricular tachycardia
Q. SVT and AF, Hearts that go fast to slow or any others probs with the beats of any kind and Ablation of hearts I have had Ablation done once and I am still having passing out spells and still on 50mg toprol 2 times a day till two days ago, now I am on 150 to 200 aday again. Its not the first time I have had to up meds. I had ablation down 4/22/05. I can breath better now but but it didnt take it away as you can tell. Now Dr Leonardie would like to do it again . This is the big ????! Will it or can it work 100% this time, or will it hit and miss some again???? MTT