EKG Practice Quiz: Heart Rate and Cardiac Output

On an ECG, the P wave represents __________________________.

• Contraction of the Atria

• Contration of the Ventricle

• The pause at the AV node

• The impulse traveling through the bundle branches

What is the term for rapid heartbeat?

• Angina Pectoris

• Fibrillations

• Tachycardia

• Ischemia

The most accurate way to determine the rate of any rhythm strip is the

• Block Method (300, 150, 100, etc.)

• 6 inch method (number of complexes between 6 inches)

• Counting complexes for 30 seconds and multiplying by 2

• Estimation Method

What wave on a rhythm strip indicates the repolarization of the ventricles?

• P

• Q

• R

• S

• T

Heart blocks are caused a a blockage in the conduction system at which point?

• SA Node

• AV Node

• Bundle of HIS

• Bundle Branches

• Purkinje fibers

Which of these represents an entire cardiac cycle?

• QRS complex

• P-R complex

• R-R interval

• QRST complex

What does the T wave represent

• The contraction of the ventricles

• The contraction of the atria

• if the rhythm is normal

• The relaxation of the heart.

Which of the following best describes this strip?

• Tachycardia

• Normal Sinus Rhythm

• Bradycardia

• Asystole

Use the rule of 300 to determine approximate Heart Rate.

• 300/6 = 50

• 300/3.5 = 75

• 300/2 = 150

• Note enough information.

Which of the following best describes this strip?

• Tachycardia

• Normal Sinus Rhythm

• Bradycardia

• Asystole