ECG reference values Flashcards by Trevor Logan

Q

chart speed

A

25 mm/s

1 mm = 0.4s

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Q

AV conduction time

A

PR interval = 0.12 - 0.2 s

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Q

Width of QRS complex

A

0.6 - 0.1 s

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Q

Patholoogical Q wave

A

width > 0.04 s

amplitude > 0.4 mV or >25% of R amplitude

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