Supraventricular tachycardia medical therapy: Difference between revisions
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AV nodal blocking can be achieved in at least three different ways: | AV nodal blocking can be achieved in at least three different ways: | ||
====Acute Pharmacotherapy==== | ====Acute Pharmacotherapy==== | ||
Latest revision as of 10:14, 10 June 2017
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Supraventricular tachycardia Microchapters |
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Differentiating Among the Different Types of Supraventricular Tachycardia |
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Differentiating Supraventricular Tachycardia from Ventricular Tachycardia |
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Diagnosis |
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Treatment |
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2015 ACC/AHA Guideline Recommendations |
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Case Studies |
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Supraventricular tachycardia medical therapy On the Web |
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American Roentgen Ray Society Images of Supraventricular tachycardia medical therapy |
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Directions to Hospitals Treating Supraventricular tachycardia |
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Risk calculators and risk factors for Supraventricular tachycardia medical therapy |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Medical Therapy
Acute Treatment
In general, SVT is not life threatening, but episodes should be treated or prevented. While some treatment modalities can be applied to all SVTs with impunity, there are specific therapies available to cure some of the different sub-types. Cure requires intimate knowledge of how and where the arrhythmia is initiated and propagated.
The SVTs can be separated into two groups, based on whether they involve the AV node for impulse maintenance or not. Those that involve the AV node can be terminated by slowing conduction through the AV node. Those that do not involve the AV node will not usually be stopped by AV nodal blocking maneuvers. These maneuvers are still useful however, as transient AV block will often unmask the underlying rhythm abnormality.
AV nodal blocking can be achieved in at least three different ways:
Acute Pharmacotherapy
Another modality involves treatment with medications. Pre-hospital care providers and hospital clinicians might administer adenosine, an ultra short acting AV nodal blocking agent. If this works, followup therapy with diltiazem, verapamil or metoprolol may be indicated. SVT that does NOT involve the AV node may respond to other anti-arrhythmic drugs such as sotalol or amiodarone.
In pregnancy, metoprolol is the treatment of choice as recommended by the American Heart Association.