Deck 10: Rhythms Originating in the Ventricles

Question 1

The wide-QRS beat in Figure 10 is a(n)

A)Junctional escape beat.
B)Ventricular escape beat.
C)PVC.
D)Compensatory pause.

Answer 1

B

Question 2

The rhythm in Figure 15 is

A)Agonal rhythm.
B)Ventricular tachycardia.
C)Torsades de pointes.
D)Ventricular fibrillation.

Answer 2

C

Question 3

For which of the following rhythms is electrical shock to the heart NOT appropriate?

A)Ventricular tachycardia
B)Ventricular fibrillation
C)Torsades de pointes
D)Asystole

Answer 3

D

Question 4

In Figure 12,there are only

A)P waves.
B)QRS complexes.
C)T waves.
D)U waves.

Question 5

QRS complexes in ventricular rhythms are

A)Wide and bizarre.
B)Always absent.
C)Found preceding the P waves.
D)Found following the T waves.

Question 6

The rhythm in Figure 12 is

A)P wave asystole.
B)Ventricular tachycardia.
C)Ventricular fibrillation.
D)Paced ventricular rhythm.

Question 7

Idioventricular rhythm has a heart rate of

A)60-100.
B)Greater than 100.
C)Less than 20.
D)20-40.

Question 8

All the following are appropriate treatment for asystole EXCEPT

A)Electrical shock to the heart.
B)CPR.
C)Oxygen.
D)Pacemaker.

Question 9

The rhythm in Figure 14 is

A)Ventricular tachycardia.
B)Accelerated idioventricular rhythm.
C)Sinus rhythm with PVCs.
D)Accelerated junctional rhythm.

Question 10

Ventricular fibrillation has

A)No P waves or QRS complexes.
B)P waves but no QRS complexes.
C)QRS complexes but no T waves.
D)P waves and QRS complexes.

Question 11

PVCs are

A)Premature ventricular complexes.
B)Ventricular escape beats.
C)Slow ventricular rhythms.
D)Post-ventricular compensatory pauses.

Question 12

The heart rate in Figure 14 is closest to

A)150.
B)100.
C)75.
D)60.

Question 13

The rhythm in Figure 13 is

A)Atrial flutter.
B)Ventricular fibrillation.
C)Atrial tachycardia.
D)Ventricular tachycardia.

Question 14

The rhythm in Figure 10 is

A)Sinus rhythm with occasional PACs.
B)Sinus bradycardia with PVC.
C)Sinus rhythm with a sinus arrest and a ventricular escape beat.
D)Idioventricular rhythm.

Question 15

Torsades de pointes means

A)Torsion of the points.
B)Twisting of the points.
C)Tall,pointy T waves.
D)Spiked P waves.

Question 16

The rhythm in Figure 11 is

A)Atrial fibrillation.
B)Atrial flutter.
C)Sinus rhythm with a burst of PAT.
D)Sinus rhythm converting to ventricular tachycardia.

Question 17

Following PVCs is usually a(n)

A)Complete compensatory pause.
B)Incomplete compensatory pause.
C)Escape beat.
D)Tall,pointy P wave.

Question 18

Treatment for torsades de pointes can include all the following EXCEPT

A)Overdrive pacing.
B)Magnesium.
C)Electrical shock to the heart.
D)Atropine.

Question 19

The QRS interval of the ventricular beat in Figure 10 is closest to

A)0.40 seconds.
B)0.80 seconds.
C)0.06 seconds.
D)0.20 seconds.

Question 20

The heart rate in Figure 12 is

A)100.
B)20.
C)40.
D)zero.

Question 21

Ventricular fibrillation has what effect on the cardiac output?

A)No effect
B)Causes an increase
C)Causes a decrease
D)Causes cardiac output to stop completely

Question 22

Asystole is best treated with electrical shock to the heart.

Question 23

Defibrillation is the treatment of choice for ventricular fibrillation.

Question 24

Ventricular fibrillation can be caused by

A)Heart attack.
B)Drowning.
C)Drug overdoses.
D)All of the above.

Question 25

All ventricular rhythms are life-threatening.

Question 26

In asystole,the cardiac output is

A)Zero.
B)Greater than in ventricular fibrillation.
C)Enhanced by electrical shock to the heart.
D)Not affected.

Question 27

Ventricular tachycardia is usually a result of escape.

Question 28

Torsades de pointes can be treated with magnesium.

Question 29

In P wave asystole,there are

A)No P waves or QRS complexes.
B)P waves but no QRS complexes.
C)No waves of any kind.
D)P waves and QRS complexes but no T waves.

Question 30

PVCs are premature beats from the ventricle.

Question 31

Idioventricular rhythm is usually a result of usurpation.

Question 32

Treatment for the rhythm in Figure 16 would include which of the following?

A)Electrical shock to the heart
B)Atropine
C)Digitalis
D)Oxygen removal

Question 33

Ventricular tachycardia has a heart rate of

A)Greater than 100.
B)60-100.
C)40-60.
D)20-40.

Question 34

Dying heart is another name for

A)Idioventricular rhythm.
B)Accelerated idioventricular rhythm.
C)Agonal rhythm.
D)Asystole.

Question 35

PVCs are a sign of ventricular irritability.

Question 36

The rhythm in Figure 16 is

A)Ventricular tachycardia.
B)Ventricular fibrillation.
C)Accelerated idioventricular rhythm.
D)Asystole.

Question 37

PVCs are usually followed by an incomplete compensatory pause.

Question 38

Asystole is usually a terminal event.

Question 39

Multifocal couplets are

A)Long runs of ventricular tachycardia.
B)A pair of PVCs that look the same.
C)A pair of PVCs that look different.
D)Reason to start CPR.

Question 40

Multifocal PVCs are those that

A)Have different shaped P waves preceding them.
B)Have different shaped QRS complexes.
C)Come from the same focus.
D)Resemble each other.

Question 41

P wave asystole differs from asystole in that P wave asystole has P waves;asystole is _____.

Question 42

Accelerated idioventricular rhythm has a heart rate between _____.

Question 43

Torsades de pointes is a form of ventricular tachycardia that _____ around an axis.

Question 44

Agonal rhythm has a heart rate less than _____.

Question 45

The treatment of choice for ventricular fibrillation is _____.

Question 46

PVC stands for _____.

Question 47

Two consecutive PVCs are called a _____.

Question 48

QRS complexes in ventricular rhythms should be _____ seconds wide.

Question 49

Ventricular bigeminy is a term that means the PVCs occur every _____ beat.