cardiac action potential Flashcards by kayleigh newlands | Brainscape

Q

phase 0 rapid depolarisation

A

rapid sodium influx

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Q

phase 1 early depolarisation

A

efflux of potassium

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Q

phase 2 plateau

A

slow influx of calcium

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Q

phase 3 final repolarisation

A

efflux of potassium

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Q

phase 4 restoration of ionic concentrations

A

resting potential is restored by Na+/K+ ATPase.

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