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16 Cards in this Set

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