Deck 6: Interpretation of an Ekg Strips

Question 1

When utilizing the R-R interval method to calculate the heart rate, you count the number of ________ between two R waves.

A) large boxes
B) small boxes

Answer 1

A

Question 2

A wide QRS complex is determined by a measurement of:

A) 0.04 seconds or greater.
B) 0.08 seconds or less.
C) 0.12 seconds or greater.
D) 0.11 seconds or less.

Answer 2

C

Question 3

The term ________ is utilized when an impulse may be "above the ventricles."

A) idioventricular
B) enterventricular
C) supraventricular
D) medventricular

Answer 3

C

Question 4

Step one of the 5-step approach for EKG interpretation is the:

A) QRS complex.
B) PRI.
C) heart rhythm.
D) heart rate.

Question 5

Heart rate below 60 beats per minute is termed:

A) bradycardia.
B) tachycardia.
C) supraventricular.
D) idioventricular.

Question 6

When utilizing the 6-second method, you count the number of R waves in a six-second strip and multiply by:

A) 5.
B) 10.
C) 15.
D) 20.

Question 7

The PR interval is considered normal if it is between:

A) 0.04 and 0.08 seconds.
B) 0.12 and 0.20 seconds.
C) 0.20 and 0.24 seconds.
D) 0.02 and 0.12 seconds.

Question 8

A normal or narrow QRS complex indicates that the impulse was not formed in the ventricles and is termed:

A) supraventricular.
B) midventricular.
C) idioventricular.
D) aberrant conduction.

Question 9

The sequential beating of the heart as a result of the generation of electrical impulses is called:

A) heart rhythm.
B) heart rate.
C) heart system.
D) heart regularity.

Question 10

R to R intervals that exhibit no similarity are termed:

A) irregularly irregular.
B) occasionally irregular.
C) regularly irregular.
D) regular.

Question 11

Artifact is defined as EKG waveforms from sources outside the heart and is most often caused by all the following EXCEPT:

A) electrical impulses.
B) patient movement.
C) defective electrodes.
D) defective cables.

Question 12

The normal heart rate is ________ beats per minute.

A) 20-40
B) 60-100
C) 40-60
D) 40-120

Question 13

After making the determination utilizing the R-R interval, you then divide that into ________ to get your rate.

A) 100
B) 200
C) 300
D) 400

Question 14

A rhythm that originated in the SA node is determined by a:

A) P wave with a negative deflection.
B) P wave with a positive deflection.
C) P wave that is not upright.
D) P wave that is inverted.

Question 15

The point where the QRS complex meets the ST segment is commonly referred to as the:

A) P point.
B) Q point.
C) S point.
D) J point.