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Supraventricular tachycardia (SVT) is an umbrella term for fast heart rhythms arising from the upper part of the heart. [2] This is in contrast to the other group of fast heart rhythms – ventricular tachycardia , which start within the lower chambers of the heart . [ 2 ]
Flecainide is a medication used to prevent and treat abnormally fast heart rates. [1] This includes ventricular and supraventricular tachycardias. [1] Its use is only recommended in those with dangerous arrhythmias or when significant symptoms cannot be managed with other treatments. [1]
It is a type of supraventricular tachycardia (SVT), meaning that it originates from a location within the heart above the bundle of His. AV nodal reentrant tachycardia is the most common regular supraventricular tachycardia. It is more common in women than men (approximately 75% of cases occur in females). The main symptom is palpitations.
Thus SVT is called supraventricular tachycardia more than twice as often as it is called supraventricular tachyarrhythmia; moreover, those two terms are always completely synonymous—in natural language there is no such term as "healthy/physiologic supraventricular tachycardia".
AFL is the second most common pathologic supraventricular tachycardia but occurs at a rate less than one-tenth of the most common supraventricular tachycardia (atrial fibrillation). [2] [3] The overall incidence of AFL has been estimated at 88 cases per 100,000 person-years. The incidence of AFL is significantly lower (~5 cases/100,000 person ...
Supraventricular tachycardia (SVT) is an umbrella term for fast heart rhythms arising from the upper part of the heart. [4] There are four main types of SVT: atrial fibrillation , atrial flutter , paroxysmal supraventricular tachycardia (PSVT), and Wolff–Parkinson–White syndrome . [ 4 ]
For supraventricular tachycardias , diltiazem appears to be as effective as verapamil in treating re-entrant supraventricular tachycardia. [17] Atrial fibrillation [18] or atrial flutter is another indication. The initial bolus should be 0.25 mg/kg, intravenous (IV). Because of its vasodilatory effects, diltiazem is useful for treating ...
Paroxysmal supraventricular tachycardia (PSVT) is a type of supraventricular tachycardia, named for its intermittent episodes of abrupt onset and termination. [3] [6] Often people have no symptoms. [1] Otherwise symptoms may include palpitations, feeling lightheaded, sweating, shortness of breath, and chest pain. [2] The cause is not known. [3]