Deck 6: How to Interpret a Rhythm Strip

Question 1

A rhythm with a heart rate less than 60 is a tachycardia.

Answer 1

False

Question 2

Normal QRS intervals should be

A)less than 0.20 seconds wide.
B)less than 0.12 seconds wide.
C)between 0.12 and 0.20 seconds wide.
D)alternately narrow and wide.

Answer 2

B

Question 3

A rhythm originating in the sinus node should NOT have which of the following?

A)Narrow QRS complexes of uniform shape
B)Regularly spaced QRS complexes
C)Absent QRS complexes
D)Heart rate of 60-100

Answer 3

C

Question 4

A rhythm with a heart rate greater than 100 is a tachycardia.

Question 5

A heart rate less than 60 is said to be a

A)tachycardia.
B)bradycardia.
C)tachyarrhythmia.
D)bundle branch block.

Question 6

Sinus rhythm is an irregular rhythm interrupted by premature beats and pauses.

Question 7

An arrhythmia is a(n)________ heart rhythm.

Question 8

What are the five steps in rhythm interpretation?

Question 9

The normal PR interval in sinus rhythm should be ________.

Question 10

The normal rhythm of the heart has P waves that are

A)upright,matching,and precede the QRS complex.
B)variable in shape and location.
C)often hidden inside QRS complexes.
D)multiple in number,preceding the QRS complex.

Question 11

Multiple P waves preceding the QRS complexes are typical of sinus rhythm.

Question 12

The normal rhythm originating in the sinus node should have a heart rate that is

A)greater than 100.
B)less than 60.
C)between 40 and 60.
D)between 60 and 100.

Question 13

Sinus rhythms should have narrow QRS complexes of uniform shape.

Question 14

An abnormal rhythm is called an arrhythmia.

Question 15

If the patient's rhythm changes,you should FIRST

A)assess your patient for signs of decreased cardiac output.
B)calculate the heart rate,rhythm,and intervals.
C)change the lead to see if the rhythm is real or if it's artifact.
D)look for P waves.

Question 16

The normal rhythm of the heart is called ________.

Question 17

The sinus rhythm has a heart rate of 60-80.

Question 18

A heart rate greater than 100 is said to be a

A)tachycardia.
B)bradycardia.
C)myocardium.
D)bundle branch block.

Question 19

Arrhythmias are

A)normal heart rhythms.
B)abnormal heart rhythms.
C)rhythms originating in the sinus node.
D)rhythms that cause no symptoms.

Question 20

The distance between consecutive P waves is called the ________.