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Irregularity in the heart rate, rhythm, or beat.
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Arrhythmia
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Increase arterial composition of capillary blood by warming the site to increase blood flow.
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Arterialize
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Blood vessels that carry blood away from the heart.
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Arteries
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The smallest branches of arteries, which join with the capillaries.
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Arterioles
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A reflex (involuntary) contraction of the artery that can be caused by
pain or irritation during needle penetration of the artery muscle or
result from patient anxiety during arterial puncture.
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Arteriospasm
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Permanent, surgical fusion of an artery and a vein. It is typically
created to provide access for dialysis; also called AV fistula or graft
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Arteriovenous (AV) shunt
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As soon as possible.
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ASAP
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An act or threat causing another to be in fear of immediate battery.
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Assault
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The upper receiving chambers on each side of the heart
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Atria (singular, atrium)
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The valves at the entrance to the ventricles.
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Atrioventricular (AV) valves
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Without blood or lymph vessels.
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Avascular
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Threadlike fibers that carry messages away from the nerve cell body.
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Axons
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Bacteria in the blood.
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Bacteremia
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A series of black stripes and white spaces of varying widths that correspond to letters and numbers
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Bar code
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Refers to the resting metabolic state of the body early in the morning after fasting for a minimum of 12 hours
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Basal state
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