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44 Cards in this Set
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- Back
- 3rd side (hint)
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Eletrolyte
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conductive gel for metal electrodes
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Tracer Paper - Normal Speed
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25mm/sec
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Sensitivity Button
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Adjust if tracing is too Large, turn down to one half
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Standardization Mark
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Is included to provide a reliable reading
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SA Node
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An electrical impulse originates in the modified myocardial tissue.
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Galvanometer
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Electrical impulses are transformed into mechanical motion
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Eletrolyte
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conductive gel for metal electrodes
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Tracer Paper - Normal Speed
|
25mm/sec
|
|
|
Sensitivity Button
|
Adjust if tracing is too Large, turn down to one half
|
|
|
Standardization Mark
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Is included to provide a reliable reading
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SA Node
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An electrical impulse originates in the modified myocardial tissue.
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Galvanometer
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Electrical impulses are transformed into mechanical motion
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How to find intercostal spaces?
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Palpate
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How much blood is ejected from the left ventricle on each contraction?
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75mL
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How much blood is held in the left ventricle before contraction?
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150mL
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An electrical impulse moving away from a positive pole creates what wave form?
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downward(negative)
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A decreased volume of circulating blood in the body
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hypovolemia
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hypo |
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ECG can provide info about
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presence of ischemic damage, effects of meds and electrolytes, mass of cardiac muscle
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Leads II, III, and aVF see what view?
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Inferior
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I |
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Leads V1, V2 see what view?
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Septal
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S |
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Leads V3, V4 see what view?
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Anterior
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A |
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Leads I, aVL, V5, V6 see what view?
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Lateral
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L |
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First wave noted on an ECG
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P wave
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A segment is from what to what?
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End to Beginning
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EB |
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An interval is from what to what?
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Beginning to beginning
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BB |
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The Smooth, upright, symmetrical wave
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P wave
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What is the Iso Electric Line?
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flatline, baseline
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In limb leads, (Phsiologic)Normally this wave is less than 40ms in duration and less than a third of the amplitude of the R wave.
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Q wave
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SA node depolarization and Atria stimulation is characteristics of what wave form?
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P wave
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This wave is usually slightly asymmetrical and represents ventricular repolarization
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T wave
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U wave comes from what leads?
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V2, V3
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U wave is formed by the depolarization of what?
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Purkinje fibers
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P f |
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Length of PR interval
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120-200m/s
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Length of normal Q wave?
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0.04 sec
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Limb leads see what view? What plane?
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Coronal/frontal plane
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CP |
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Precordial leads see what view? What plane?
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Transverse Plane
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TP |
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Average height of P wave?
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2.5mV
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Average length of P wave?
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0.11 sec
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Normal length of QRS?
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0.06-0.11
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What is an ectopic beat?
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A beat originating outside the SA node
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Firing rate of NSR
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60-100bpm
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Firing rate of Atrial flutter
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250-350bpm
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Firing rate of Atrial Fibrillation
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350+bpm
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Firing rate of Atrial Tachycardia
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150-250bpm
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