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14 Cards in this Set
- Front
- Back
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The outer, thin and shiny layer covering the heart |
epicardium |
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-the middle thick layer made up of cardiac muscle -makes up the bulk of the wall |
myocardium |
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the inner thin layer lining of the heart |
endocardium |
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sound of the closing of the atrioventricular valves (AV) as the ventricles contract |
LUBB |
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sound of closing of the semilunar valves as the ventricles relax |
DUPP |
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graph of electrical changes that occur in the heart during a cardiac cycle |
EKG : electrocardiogram |
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where does red electrode go and what charge is it? |
- "negative" to right wrist |
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where does black electrode go and what charge is it? |
+ "positive" on left wrist |
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where does green electrode go |
"E" for earth or ground goes on right wrist 2 inches above red electrode |
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depolarization of atria on ekg |
P wave |
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depolarization of ventricles |
QRS wave |
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repolarization of ventricles |
T wave |
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what event is not represented by a deflection wave? |
the repolarization of atria in the QRS wave |
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to determine heart rate using formula |
5 beats/ elapsed time (sec) X 60 sec/ 1 min.= HR (BPM) |
