Deck 6: How to Interpret a Rhythm Strip

Question 1

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

Answer 1

False

Question 2

The normal rhythm of the heart is called _____.

Answer 2

Sinus rhythm

Question 3

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

Answer 3

False

Question 4

The distance between consecutive P waves is called the _____.

Question 5

Dysrhythmias are

A)Normal heart rhythms.
B)Abnormal heart rhythms.
C)Rhythms originating in the sinus node.
D)Rhythms that cause no symptoms.

Question 6

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

Question 7

Sinus rhythms should have narrow QRS complexes of uniform shape.

Question 8

Normal QRS complexes should have a QRS complex

A)Less than 0.20 seconds wide.
B)Less than 0.12 seconds wide.
C)Between 0.12 and 0.20 seconds wide.
D)That is alternately narrow and wide.

Question 9

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

Question 10

An abnormal rhythm is called a dysrhythmia.

Question 11

A heart rate less than 60 is said to be a

A)Tachycardia.
B)Bradycardia.
C)Tachyarrhythmia.
D)Bundle branch block.

Question 12

A heart rate greater than 100 is said to be a

A)Tachycardia.
B)Bradycardia.
C)Myocardium.
D)Bundle branch block.

Question 13

Sinus rhythm has a heart rate of 60-80.

Question 14

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 15

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

Question 16

A dysrhythmia is an _____ heart rhythm.

Question 17

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 18

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

A)Greater than 100.
B)Less than 60.
C)Between 40 and 60.
D)Between 60 and 100.

Question 19

The normal PR interval in sinus rhythm should be _____.