Sick sinus syndrome classification

Sick sinus syndrome Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Classsification

Subclassification of variants of sinus node dysfunction

• Bradycardia-tachycardia syndrome is a variant of sick sinus syndrome where atrial tachyarrhythmias such as atrial flutter and fibrillation alternate with prolonged periods of asystole.
• Chronotropic incompetence
• Sinus bradycardia
• Sinus arrest
• Sinus node exit block
• Sinus pause