Ekg Book Chapters 1-4

Front 1

P wave?

Back 1

Atrial Depolarization / Contraction

Front 2

QRS complex?

Back 2

Ventricular Contraction / Depolarization

Front 3

T wave?

Back 3

Rapid Ventricular Repolarization

Front 4

Pause between P wave and QRS complex represents?

Back 4

delay between atrial systole and ventricular systole (allows for filling prior to ejection)

Front 5

TRUE/FALSE - The direction of depolarization is from endocardium to epicardium.

Back 5

True

Front 6

ST segment represents?

Back 6

initial and minimal phase of ventricular repolarization

Front 7

QT interval represents? Important because?

Back 7

Ventricular systole; hereditary LQT can be fatal

Front 8

What do the X and Y axis's represent on an EKG?

Back 8

Time and Voltage

Front 9

Describe the +/- electrode configuration for Lead I,II,III.

Back 9

I (r-,l+);
II (r-,f+);
III (l-,f+)

Front 10

Describe the +/- electrode configuration for Lead AVF,AVR,AVL.

Back 10

AVF (f+);
AVL (l+);
AVR (r+)

Front 11

Name the (left) lateral leads.

Back 11

I, AVL

Front 12

Name the inferior leads.

Back 12

II, III, AVF

Front 13

Sinus Tachycardia = ?, Bradycardia = ?

Back 13

over 100/min, less than 60/min

Front 14

Describe the inherent automaticity foci rates (3) if they lose overdrive suppression.

Back 14

Atria = 60-80;
AV JXN = 40-60 (not proximal);
Ventricles - 20-40

Front 15

Rate determination Method.

Back 15

Black Lines (300,150,100, 75,60,50)

Front 16

Bradycardia Rate determination

Back 16

6 second strip (pick 2 3second strips), how many cycles x 10