Atrial Rythms (Chapter 5)
In Wandering Pacemaker, the heart's pacemaker site shifts between: A. SA node, atria, and ventricles. B. atria and ventricles. C. AV node and ventricles. D. SA node, atria, and AV node.
SA node, atria, and AV node.
When you encounter a rhythm that is irregular with no mappable P waves, you should suspect: A. Atrial Fibrillation. B. Atrial Flutter. C. Wandering Pacemaker. D. Atrial Tachycardia.
Atrial Fibrillation.
The rhythm in which the atrial waves are seen as a sawtooth pattern is called: A. Atrial Tachycardia. B. Atrial Fibrillation. C. Premature Atrial Complex. D. Atrial Flutter.
Atrial Flutter.
A single beat that arises from a focus outside of the SA node is called a(n): A. Ectopic Beat. B. Atrial Tachycardia. C. Premature Ventricular Complex. D. Compensatory Pause.
Ectopic Beat.
An atrial arrhythmia that occurs when the pacemaker role switches from the SA node to the atria and back again is called: A. Atrial Tachycardia. B. Wandering Pacemaker. C. Atrial Fibrillation. D. Atrial Flutter.
Wandering Pacemaker.
In Atrial Fibrillation, when the ventricular rate is over 100 bpm, it is said to be: A. enhanced. B. uncontrolled. C. runaway. D. wandering.
uncontrolled.
The rhythm in which ALL atrial activity is depicted as chaotic undulations of the baseline is called: A. Atrial Tachycardia. B. Atrial Flutter. C. Atrial Fibrillation. D. Sinus Tachycardia.
Atrial Fibrillation.
Which one of the following does NOT describe an atrial P wave? A. It may be diphasic. B. It is uniformly rounded. C. It can be flattened or peaked. D. It may dip below the isoelectric line.
It is uniformly rounded.
A Premature Atrial Complex is: A. a single ectopic beat. B. a series of complexes. C. a pattern of ectopic beats. D. an entire rhythm.
a single ectopic beat.
Atrial rhythms originate in the: A. atrioventricular node. B. atrial pathways. C. AV junction. D. sino-atrial node.
atrial pathways.
The atrial rate in Atrial Fibrillation is ________ bpm. A. 250-350 B. greater than 350 C. less than 200 D. 200-250
greater than 350
In Atrial Fibrillation, the rhythm is: A. normal. B. very reliably regular. C. irregular in a repeating pattern. D. grossly irregular with no pattern.
grossly irregular with no pattern.
It is very common for the P waves in Atrial Tachycardia to be: A. irregular. B. flat. C. hidden in the T wave. D. sawtooth.
hidden in the T wave.
An early (premature) ectopic beat could be an indication of: A. escape mechanism. B. impending bradycardia. C. sinus pacemaker. D. irritability.
irritability.
The QRS in Atrial Fibrillation should be ________ sec. A. greater than 0.20 B. 0.12-0.16 C. 0.16-0.20 D. less than 0.12
less than 0.12
Atrial Fibrillation has: A. wide QRS complexes. B. normal P waves. C. regular R-R intervals. D. no discernible P waves.
no discernible P waves.
The QRS complex in all atrial rhythms is expected to be: A. normal. B. earlier than usual. C. distorted by P waves. D. inverted.
normal.
Atrial Tachycardia usually has a rate of ________ bpm. A. 60-100 B. 100-150 C. 150-250 D. 250-300
150-250
In the rhythm called "Atrial Flutter," the atrial rate is usually in the range of ________ bpm. A. 100-130 B. 60-100 C. 250-350 D. 200-240
250-350
The ventricular rate for PACs is defined as: A. 60-100 bpm. B. less than 10 bpm. C. greater than 100 bpm. D. depends on underlying rhythm.
depends on underlying rhythm.
