CV review & Visuals

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Author:
tville01
ID:
198348
Filename:
CV review & Visuals
Updated:
2013-02-06 09:08:05
Tags:
Med surg chapter 36
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CV review & Visuals
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  1. automaticity
    cells ability to generate an impulse
  2. excitability
    non-pacemaker cells ability to respond to an impulse
  3. conductivity
    • cardiac cells ability to send an impulse to another cell
    • creates "P" wave & QRS complex
  4. contractility
    contraction of atrial and ventricular cells from electrical stimuli
  5. Which node begins conduction and creates the "P" wave
    SA
  6. Which node allows electrical stimulation to travel to ventricles and creates the P-R interval
    AV (gatekeeper)
  7. What causes a delay in conduction occur resulting in a widening of the QRS interval, made of purkinje fibers
    Bundel of his
  8. artifact
    muscle movement that appears on an EKG
  9. "P" waves are
    • sinus rhythm
    • atrial depolarization
  10. QRS complex is
    depolarization of ventricles
  11. an elevated ST segment indicates
    (fireman's hat)
    ischemia
  12. T wave is
    repolarization of ventricles
  13. Regular sinus rhythm
  14. Sinus tachycardia
  15. Sinus bradycardia
  16. A-fib
    • Atrial flutter ( sawtooth, more regular pattern than A-fib)
    • can't be seen w/out EKG
    • pulse feels normal
    • PVC
    • compensatory pause after PVC to get SA node to provide P wave
  17. Ventricular tachycardia
  18. Ventricular fibrillation
  19. Asystole
  20. What do we need to teach pt with dysrhythmias
    • Take pulse
    • avoid caffine
    • CPR

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