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Ventricular Tachycardia: Difference between revisions
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Ventricular tachycardia can be catechorized as follows: | Ventricular tachycardia can be catechorized as follows: | ||
*Non-sustained VT: three or more ventricular beats with a maximal duration of 30 seconds. | *'''Non-sustained VT''': three or more ventricular beats with a maximal duration of 30 seconds. | ||
*Sustained VT: a VT of more than 30 seconds duration (or less if treated by electrocardioversion within 30 seconds). | *'''Sustained VT''': a VT of more than 30 seconds duration (or less if treated by electrocardioversion within 30 seconds). | ||
*Monomorphic VT: all ventricular beats have the same configuration. | *'''Monomorphic VT''': all ventricular beats have the same configuration. | ||
*Polymorphic VT: the ventricular beats have a changing configuration. The RR interval is 180-600 ms (comparable to a heart rate of 100-333 bpm). | *'''Polymorphic VT''': the ventricular beats have a changing configuration. The RR interval is 180-600 ms (comparable to a heart rate of 100-333 bpm). | ||