EKG Practice Quiz: Analyzing Strips Part A

What is the most common rhythm that could produce blood clots.

• Atrial fibrillation

• Wandering baseline

• Second Degree Heart Block

• None of these

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

In a QRS complex, if the first wave is up, what type of wave is it?

• P

• Q

• R

• S

• T

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

• P

• Q

• R

• S

• T

When the electrical impulse originates from somewhere other than the SA node, it is said to be

• blanket firing

• rapid firing

• ectopic firing

• subdued firing

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.