A 23 year old man with episodes of palpitations. |
- irregularly irregular, wide complex tachycardia
- impulses from the atria are conducted to the ventricles via either
- both the AV node and accessory pathway producing a broad fusion complex
- or just the AV node producing a narrow complex (without a delta wave)
- or just the accessory pathway producing a very broad 'pure' delta wave
- people who develop this rhythm and have very short R - R intervals are at higher risk of VF
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