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| Normal contraction followed by a premature contraction |
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| any kind of premature contraction |
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| chest sensation during premature contraction |
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| severe vasoconstriction of the extremities triggered by cold or emotional stress |
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| when the cusps hang down and do not close completely |
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Definition
| Therapy used to harden a varicose vein |
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| Radiology test that outlines the blood vessel by using contrast material |
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| A written record of the electrical activity of the heart |
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| test that uses unlta high-frequency sound waves to outline the heart |
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Definition
| instrument used to cut diseased valves |
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