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12 Cards in this Set
- Front
- Back
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Hemorrhage
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An abnormal internal or external discharge of blood.
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Homeostasis
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The natural tendency of the body to maintain a steady and and internal environment.
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Shock
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A state of inadequate tissue perfusion.
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Key Point
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The EMT-Paramedic must be able to recognize hemorrhage and shock in trauma patients in order to reduce mortailty and morbidity.
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Key Point
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Hemorrhage is the most common cause of shock and death in trauma patients.
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Parasympathetic Nervous System
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Division of the autonomic nervous system that is responsible for controlling vegatative functions.
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Sympathetic Nervous System
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Division of the autonomic nervous system that prepares the body for stressful situations.
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Stroke Volume
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The amount of blood ejected by the heart in one cardiac contraction.
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Preload
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The pressure within the ventricles at the end of diastole; the volume of blood delivered to the atria prior to ventricular diastole.
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Ventricular Filling
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The forcing of blood into the ventricle by the contraction of the atrium.
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Frank-Starling Mechanism
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Process by which an increase in cardiac output occurs in proportion to the diastolic stretch of the heart muscle fibers.
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Afterload
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The resistance a contraction of the hear
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