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6 Cards in this Set
- Front
- Back
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sinus rhythm
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SA node is depolarizing normally
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sinus arrhythmia
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increased heart rate with inspiration and expiration
NORMAL |
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what are some possible causes for brachycardia
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sinus bradycardia (normal conduction but slow rate)
sinus arrest AV block |
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what is atrial fibrillation
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rapid contraction of the atria in various small portions of the atrial wall at any one time
-very rapid but ineffective atrial rate |
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ventricular fibrillation
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extremely rapid contraction of the ventricles in various small portions of the ventricular wall at any one time
-very rabid contraction of the ventricles that produces NO PULSE -will die very quickly |
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what is a heart murmur
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abnormal sound associated with the turbulent flow of blood
murmur during systole could be caused by a leak or by a narrowing in a semilunar valve |
