it14spr102.40act10-11.txt

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Author:
kasee9
ID:
257890
Filename:
it14spr102.40act10-11.txt
Updated:
2014-01-22 11:48:07
Tags:
profmwinston
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Description:
ap102spring14
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  1. ´╗┐Electrocardiogram: assess the hearts ability to conduct impulses. Recording of the electrical changes in the myocardum during a cardiac cycle.
  2. P Waves: first deflection: corresponding to a depolarization of the atrial fibers that lead to contractions of the atria.
  3. T Waves: process when deflection reoccurs ending the ECG pattern
  4. QRS complex: Rapid depolarization occurs electrical change is greater, leaving the deflection greater.
  5. Pq intervals: Period between beginning of P wave and beginning of QRS complex
  6. Vagus Nerve: continually carries impluses to SA and AV nodes. Parasympathetic fibers that increase and decrease heart rate.
  7. Accelerator Nerves: Cardic Sympathetic nerves, when stimulated accelerate the action of the heart.
  8. Barorecptor Relex: relfex arise from the cardiac control center.
  9. Cardiac Control Center: Maintains balance between inhibitory effects of the parasympathetic fibers and the excitatory effects of sympathetic fibers.
  10. Cardio Accelerator Reflex: Heart rate and force of constriction increase and venous pressure is reduced.
  11. Cardio Inhibitory Reflex: the center in the brain that receives sensory impulses from the cardiovascular system and relays impulses to the heart in response

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