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16 Cards in this Set
- Front
- Back
P wave?
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Atrial Depolarization / Contraction
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QRS complex?
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Ventricular Contraction / Depolarization
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T wave?
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Rapid Ventricular Repolarization
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Pause between P wave and QRS complex represents?
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delay between atrial systole and ventricular systole (allows for filling prior to ejection)
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TRUE/FALSE - The direction of depolarization is from endocardium to epicardium.
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True
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ST segment represents?
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initial and minimal phase of ventricular repolarization
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QT interval represents? Important because?
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Ventricular systole; hereditary LQT can be fatal
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What do the X and Y axis's represent on an EKG?
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Time and Voltage
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Describe the +/- electrode configuration for Lead I,II,III.
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I (r-,l+);
II (r-,f+); III (l-,f+) |
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Describe the +/- electrode configuration for Lead AVF,AVR,AVL.
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AVF (f+);
AVL (l+); AVR (r+) |
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Name the (left) lateral leads.
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I, AVL
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Name the inferior leads.
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II, III, AVF
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Sinus Tachycardia = ?, Bradycardia = ?
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over 100/min, less than 60/min
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Describe the inherent automaticity foci rates (3) if they lose overdrive suppression.
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Atria = 60-80;
AV JXN = 40-60 (not proximal); Ventricles - 20-40 |
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Rate determination Method.
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Black Lines (300,150,100, 75,60,50)
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Bradycardia Rate determination
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6 second strip (pick 2 3second strips), how many cycles x 10
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