ECGs Flashcards

1
Q

P wave

A

Atrial depolarisation causing contraction of the atria

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2
Q

PR Interval

A

The wave of depolarisation reaches the Atrio-Ventricular Node. This depolarises and conducts but slows the wave

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3
Q

QRS Complex

A

Ventricular depolarization & ventricular contraction.

AVN conducts the depolarization to the bundle of his and conducting tissue, causing contraction of both ventricles.

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4
Q

T Wave

A

Ventricular repolarisation

The ventricles repolarise, returning to the resting
potentia

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