EKG 170 Module Chapter 6, 7 and 8 Test
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The rhythm in figure ? is
A heart rate less than 60 is said to be?
Dysrhythmias are ____________?
Abnormal heart rhythms
The rhythm in figure ? has a heart rate closest to ____________?
A rhythm originating in the sinus nodeshould NOT have what?
Absent QRS complexes
What sinus rhythm has a heart rate greater than 100?
What is a sinus arrhythmia?
An irregular rhythm
What rhythm of the heart has P waves that are _____________?
Normal rhythm - upright, matching, uniform shape P waves preceding the QRS complexes
What is atrial fibrillation?
Has no P waves at all
Details of a sinus rhythm.
- 1. It is regular
- 2. P waves that are upright, matching, and precede the QRS complex
- 3. Heart rate is between 60 and 100
- 4. PR is 0.12 to .20 second; PR interval is constant from beat to beat
- 5. QRS is <0.12 second
- 6. Cause is normal
- 7. No adverse effects
- 8. No treatment
A heart rate greater than 100 is ___________?
Normal QRS complexes should have a QRS complex ______________?
Less than 0.12 seconds wide
If a patient's rhythm changes, you should FIRST ____________?
Assess your patient for signs of decreased cardiac output
PR interval in figure ? is closest to what?
The rhythm is figure ? is what?
The rhythm most often associated with chronic lung disease is ___________?
Multifocal atrial tachycardia
What is a PAC?
Premature beat from the atrium
Atrial tachycardia is characterized by _______________?
Abnormal P waves preceding the regular QRS complexes
The heart rate in figure ? is closest to _________?
A normal rhythm originating in the sinus node should have a heart rate of ___________?
Between 60 and 100
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