intro to EKG Flashcards by Izzie Stevens | Brainscape

Q

AP spreads how?

A

in all directions, but there is a mean vector

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Q

electrode placenta and signals

A

largest: parallel, no signal: right angle, acute angel: smaller

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Q

p wave

A

atrial depolarization

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Q

QRS wave

A

ventricle depol, atrial REPOL

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Q

t wave

A

ventricle repol

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Q

PR interval

A

time for signal to reach ORS

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Q

pr segment

A

time through AV node

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Q

QT segment

A

duration of ventricular AP

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Q

interval vs secment

A

start of wave- start of wave vs end to start

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Q

Q r S

A

q: early depol

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Q

R

A

septal depol

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Q

S

A

depol base/epicardium

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Q

augmented leads

A

positive, AVR, AVR, AVF

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