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31 Cards in this Set
- Front
- Back
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POSITIVE IN LEADS I and aVF |
NORMAL AXIS |
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POSITIVE IN LEAD I, NEGATIVE IN aVF |
LEFT AXIS DEVIATION |
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NEGATIVE IN LEAD I, POSITIVE IN aVF |
RIGHT AXIS DEVIATION |
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NEGATIVE IN LEADS I and aVF |
EXTREME RIGHT AXIS DEVIATION |
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CONSTANT PRI, REGULAR R-R |
2nd DEGREE HEART BLOCK TYPE II |
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CONSTANT PRI, IRREGULAR R-R |
2nd DEGREE HEART BLOCK TYPE II |
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CHANGING PRI, REGULAR R-R |
3rd DEGREE HEART BLOCK |
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CHANGING PRI, IRREGULAR R-R |
2nd DEGREE HEART BLOCK TYPE I (WENCKEBACH) |
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DOUBLE R WAVE IN LEADS V1 and V2 |
RIGHT BUNDLE BRANCH BLOCK |
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DOUBLE R WAVE IN LEADS V5 and V6 |
LEFT BUNDLE BRANCH BLOCK |
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Increases electrical activity; axis will shift toward the hypertrophy |
HYPERTROPHY |
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Dead tissue, no electrical activity, axis will shift away from the infarction |
INFARCTION |
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Refers to an increase in the size or mass of the heart muscle |
HYPERTROPHY |
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When hypertrophy is present in the atria, the ___ wave in lead ___ will appear _________ (both positive and negative) |
P WAVE LEAD V1 DIPHASIC |
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Diagnosed when the first part of the diphasic P wave is biggest |
RIGHT ATRIAL HYPERTROPHY |
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Diagnosed when the second part of the diphasic P wave is biggest |
LEFT ATRIAL HYPERTROPHY |
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Diagnosed by R wave changes in lead V1 and V5 |
VENTRICULAR HYPERTROPHY |
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Diagnosed when the R wave in lead V1 is large |
RIGHT VENTRICULAR HYPERTROPHY |
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Diagnosed when the R wave in lead V5 and the S wave in V1 are large |
LEFT VENTRICULAR HYPERTROPHY |
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Diagnosed when inverted T waves appear on the ECG |
ISCHEMIA |
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Diagnosed when elevated S-T segments appear on the ECG |
INJURY (sufficient to diagnose an acute MI) |
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The death of the muscle; diagnosed when significant Q waves appear on the ECG |
INFARCTION |
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Nearly all infarctions occur in the _______ ventricle |
LEFT |
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When infarction occurs in lead aVL and lead I |
Lateral (left coronary artery) |
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When infarction occurs in lead I, II and aVF |
INFERIOR (right coronary artery) |
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When infarction occurs in leads V1, V2, V3, and V4 |
ANTERIOR (left coronary artery) |
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When infarction occurs only in lead I |
POSTERIOR (right coronary artery) |
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Will show the S-T elevation (and/or Q waves) in the leads along the side of the heart |
LATERAL INFARCTION |
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Will show the S-T elevation (and/or Q waves) in the leads below the heart |
INFERIOR INFARCTION |
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Will show the S-T elevation (and/or Q waves) in the leads on the front side of the heart |
ANTERIOR INFARCTION |
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Will show a large R wave with a depressed S-T segment; located on the back side of the heart |
POSTERIOR INFARCTION |
