빈맥의 기전
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Reentry가 이루어지려면!
Tachycardia | |
▼ | ▼ |
Narrow QRS tachycardia | Wide QRS tachycardia |
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QRS! | Regular | Irregular |
Narrow | PSVT | AF |
Wide | VT | WPW+AF |
Wide QRS tachycardia | |
▼ | ▼ |
Regular | Irregular |
Ventricular tachycardia Supraventricular tachycardia (with preexisting or functional bundle branch block)
WPW syndrome (antidromic, preexcited tachycardia) | Atrial fibrillation (with bundle branch block or with WPW syndrome [antidromic]) Atrial flutter (varying AV conduction, with bundle branch block or WPW syndrome [antidromic]) Torsades de pointes |
[3x1] Narrow QRS tachycardia | |
▼ | ▼ |
Regular | Irregular |
Sinus tachycardia Atrioventricular nodal reentrant tachycardia (AVNRT) Atrial flutter (with fixed AV conduction) Atrial tachycardia (paroxysmal and nonparoxysmal) WPW syndrome (orthodromic circus movement tachycardia) | Atrial fibrillation Atrial flutter (with variable AV conduction) Atrial tachycardia (variable AV block or Wenckebach) Multifocal atrial tachycardia |