Paroxysmal supraventricular tachycardia classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Noha Elzeiny, M.B.B.Ch, M.Sc.[2]

Overview

There is no established system for the classification of [disease name].

OR

[Disease name] may be classified according to [classification method] into [number] subtypes/groups: [group1], [group2], [group3], and [group4].

OR

[Disease name] may be classified into [large number > 6] subtypes based on [classification method 1], [classification method 2], and [classification method 3]. [Disease name] may be classified into several subtypes based on [classification method 1], [classification method 2], and [classification method 3].

OR

Based on the duration of symptoms, [disease name] may be classified as either acute or chronic.

OR

If the staging system involves specific and characteristic findings and features: According to the [staging system + reference], there are [number] stages of [malignancy name] based on the [finding1], [finding2], and [finding3]. Each stage is assigned a [letter/number1] and a [letter/number2] that designate the [feature1] and [feature2].

OR

The staging of [malignancy name] is based on the [staging system].

OR

There is no established system for the staging of [malignancy name].

Classification

PSVT may be classified based on the underlying mechanism of tachycardia into :

• AV nodal reentry (AVNRT)
• AV reentry (AVRT)
• Atrial tachycardia
• Sinoatrial nodal reentrant tachycardia (SANRT)
• Intra atrial reentrant tachycardia (IART)
• Junctional ectopic tachycardia and nonparoxysmal junctional tachycardia (nonreentrent tachycardia, rare in adults, however represent a common cause of PSVT in children )

PSVT may be classified based on the ECG appearance into:

Short RP tachycardia (P wave is close after QRS complex) :

• AVNRT
• AVRT
• Atrial tachycardia with first-degree AV block

Prolonged RP tachycardia (Interval wave before the QRS complex):

• Atypical AVNRT (fast-slow)
• Atrial tachycardia
• Sinoatrial nodal reentrant tachycardia (SANRT)
• Permanent junctional tachycardia (PJRT)

References

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