Axis interpretation Flashcards

(5 cards)

1
Q

What is the normal axis?

A

QRS axis between -30 degrees and 90 degrees

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2
Q

What is left axis deviation

A

QRS axis less than -30 degrees

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3
Q

What is right axis deviation

A

QRS axis greater than +90 degrees

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4
Q

What is extreme axis deviation

A

QRS axis between -90 degrees and 180 degrees (NW axis)

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5
Q

Why do children often have RAD

A

-Cardiac axis often lies between +30 and +190 degrees at birth
-Moves leftward with age

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