|
I.
|
Spurious:
left-right arm electrode reversal (look for negative P wave and negative
QRS complex in lead I)
|
|
II.
|
|
|
III.
|
|
|
IV.
|
Right
ventricular overload
|
A.
|
Acute (e.g., pulmonary embolus or severe asthmatic
attack)
|
|
B.
|
|
1.
|
Chronic obstructive pulmonary disease
|
|
2.
|
Any cause of right ventricular hypertrophy (e.g.,
pulmonic stenosis or primary pulmonary hypertension)
|
|
|
|
V.
|
Lateral
wall myocardial infarction
|
|
VI.
|
Left
posterior fascicular block (exclude all other causes of right axis
deviation)
|
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