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Welch Allyn Means ECG Physicians Manual for CP Series Electrocardiographs - User Manual User Manual

Page 24

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MEANS Physicians Manual


Welch Allyn

24

Posterior infarction

Skip tests
if:

test RBBB passed

or

test IRBBB passed


Say:

“possible posterior infarct”

if:

test RVH did not pass

and

R amplitude

300 µV and R duration

30 ms in V1

and

R amplitude

700 µV and R duration

40 ms in V2

and

no Q wave in V2

and

R/S ratio in V2

1

and

positive T amplitude

negative T amplitude in V1 and V2

or

negative J amplitude > 100 µV and positive T amplitude

100 µV in V2

and

test inferior infarct passed

or

Q amplitude > 100 µV and R amplitude < 1500 µV and Q/R rat

0.2 in V6

or

test RVH passed

and

test inferior infarct passed

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