ECG Questions Flashcards
https://www.youtube.com/user/rrtheriault/videos ^^^^ this is where I got everything
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junctional rhythm is where the heartbeat originates from the AV node or His Bundle
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if the ventricle does not receive triggering signals at a rate high enough from either the SA node or the AV node, the ventricular myocardium itself becomes the pacemaker
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2nd Degree Type I (aka Mobitz I or Wenckebach) Heart Block
Irregular rhythm (grouped QRS’s)
P-R interval: progressive lengthening until beat is dropped
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Sinus Bradycardia
Regular rhythm, heart rate \< 60
There is a P wave before QRS and QRS after P wave
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Polymorphic Ventricular Tachycardia
Torsades de Pointes “Twisting of the Points”
This is a polymorphic Vtach in that the shape of the QRS
complexes varies significantly.
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PR interval is prolonged
The normal PR interval is between 120 – 200 ms (0.12-0.20s) in duration (three to five small squares)
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What does right axis deviation look like?
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How do you tell if right or left deviation in an ECG?
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Describe axis deviation
normal axis deviation
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determine axis deviation
left axis deviation
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cardiac axis?
extreme right axis deviation
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diagnose and explain
RSR' pattern in lead V1 and deep, wide S waves in lead V6
wide QRS
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diagnose and why
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Most prominent signs in
Right VS left bundle branch block
right= RSR' in V1
left= M pattern in V6
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