Arrhys Flashcards by Ri Fern | Brainscape

Q

Mech of re-entry

A

Structural abnormalities: Accessory pathways, MI scar tissue, congenital HD
Functional: Ischaemia, drugs

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Q

What causes normal sinus arrhythmia?

A

Vagal tone change. Inspiration reduces vagal tone, thus increases HR.

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Q

Origin of Mobitz I

A

Vagal

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