Deck 10: Introducing the Ventricular Rhythms

Question 1

When a run of ventricular tachycardia lasts for greater than 30 seconds,it is called:

A) sustained rhythm.
B) nonsustained rhythm.
C) monosustained rhythm.
D) supersustained rhythm.

Answer 1

A

Question 2

The life-threatening dysrhythmia that has the appearance of turning about or a twisting motion along the base line is:

A) asystole.
B) supraventricular tachycardia.
C) ventricular tachycardia.
D) torsades de pointes.

Answer 2

D

Question 3

The commonly accepted rate of accelerated idioventricular rhythm is:

A) 5 to 20 BPM.
B) 100 to 160 BPM.
C) 40 to 100 BPM.
D) 20 to 40 BPM.

Answer 3

C

Question 4

The correct choice for immediate defibrillation of ventricular fibrillation is 360 joules of monophasic or equivalent biphasic wave forms.

Question 5

Another term for shape is:

A) morphology.
B) malformed.
C) salvo.
D) All of the above

Question 6

The absence of all ventricular activity is known as:

A) cardiac standstill.
B) asystole.
C) ventricular asystole.
D) All of the above

Question 7

Premature ventricular complexes that are alike in appearance are called:

A) unifocal.
B) morefocal.
C) multifocal.
D) transfocal.

Question 8

Ventricular fibrillation waves with amplitudes less than 3 millimeters are considered:

A) flitter.
B) inverted.
C) fine.
D) coarse.

Question 9

The most important treatment of pulseless electrical activity (PEA)is:

A) defibrillation.
B) assessment for cause.
C) carotid massage.
D) transcutaneous pacing.

Question 10

When every other beat is a premature ventricular contraction,it is known as:

A) salvo PVCs.
B) unifocal.
C) run of PVCs.
D) bigeminy.

Question 11

When a run of ventricular tachycardia lasts for less than 30 seconds,it is termed a:

A) supersustained rhythm.
B) monosustained rhythm.
C) nonsustained rhythm.
D) sustained rhythm.

Question 12

A decreased supply of oxygenated blood to the heart is termed myocardial:

A) ischemia.
B) infarction.
C) necrosis.
D) injury.

Question 13

The term "torsades de pointes" is derived from a French term meaning:

A) meeting of points.
B) twisting of points.
C) separation of points.
D) equalization of points.

Question 14

The rhythm in which three or more PVCs arise in sequence at a rate of greater than 100 beats per minutes is ventricular:

A) torsades.
B) tachycardia.
C) fibrillation.
D) asystole.

Question 15

The QRS complex of ventricular rhythms is usually equal or greater than ________ seconds.

A) 0.12
B) 0.08
C) 0.02
D) 0.04

Question 16

Ventricular fibrillation waves with amplitudes greater than 3 millimeters are considered:

A) fine.
B) coarse.
C) inverted.
D) flutter.

Question 17

A PVC that falls between two sinus beats without interfering with the rhythm is called:

A) interpolated.
B) interference.
C) interrelated.
D) interlaced.

Question 18

A single,ectopic complex that occurs earlier than the next expected complex and arises from the irritable site in the ventricles is called:

A) PUC.
B) PVC.
C) PJC.
D) PAC.

Question 19

When the rate of an idioventricular rhythm falls below 20 beats per minute,it is often referred to as:

A) indeterminate.
B) salvos.
C) supra atrial.
D) agonal.

Question 20

or more premature ventricular complexes (PVCs)in a row is called:

A) ischemia.
B) salvos.
C) bigeminy.
D) quadgeminy.

Question 21

A sensation that the heart is skipping beats and/or beating rapidly is called:

A) infarct.
B) skipped beats.
C) ischemia.
D) palpitations.

Question 22

Oscilloscopic evidence of ventricular fibrillation can be mimicked by artifact.

Question 23

The absence of a palpable pulse and myocardial activity with the presence of organized electrical activity on the cardiac monitor is called:

A) AED.
B) UAB.
C) PEA.
D) IUD.

Question 24

The rhythm in which the waveforms appear as disorganized,rapid,irregular waves whose morphology vary vastly is ventricular:

A) standstill.
B) fibrillation.
C) asystole.
D) tachycardia.

Question 25

Which of the following is evidence of myocardial ischemia?

A) Shortness of breath
B) Anxiety
C) Chest pain
D) All of the above

Question 26

When the patient is in ventricular tachycardia and is perfusing and stable,the preferred treatment is:

A) defibrillation.
B) pharmacologic intervention.
C) synchronized cardioversion.
D) transcutaneous pacing.

Question 27

It is difficult sometimes to distinguish asystole from very fine ventricular fibrillation; therefore,you must always check:

A) two different leads.
B) the PR interval.
C) with the physician to identify.
D) with two different staff members.

Question 28

Causes of pulseless electrical activity include all EXCEPT:

A) cardiac tamponade.
B) profound hypotension.
C) pulmonary embolism.
D) profound hypertension.

Question 29

When the patient is in asystole,the preferred initial treatment is:

A) defibrillation.
B) immediate CPR.
C) pharmacologic intervention.
D) synchronized cardioversion.

Question 30

When the patient is in ventricular tachycardia and is hemodynamically unstable,as evidenced by hypotension,shortness of breath,and chest pain,the preferred treatment is:

A) immediate CPR.
B) defibrillation.
C) synchronized cardioversion.
D) pharmacologic intervention.