Deck 14: ECG Interpretation

Question 1

Which dysrhythmia causes a P prime wave on the ECG?

A) PAC
B) PVC
C) sinus arrest
D) sinus block

Answer 1

A

Question 2

In a resting adult,what is the term for a heart rate between 100-160 bpm?

A) sinus tachycardia
B) normal heart rate
C) sinus arrhythmia
D) atrial flutter

Answer 2

A

Question 3

Which atrial abnormality results in an atrial rate of 130-250 bpm with a normal ventricular rate?

A) atrial tachycardia
B) atrial bigeminy
C) atrial flutter
D) atrial fibrillation

Answer 3

A

Question 4

3In the ACLS treatment protocols for bradycardia,what are the second-line drugs recommended for the treatment of bradycardia?

A) dopamine and epinephrine
B) epinephrine and atropine
C) dopamine and atropine
D) dopamine and albuterol

Question 5

In the adult at rest,what is the term for a heart rate less than 60 beats/min?

A) bradycardia
B) tachycardia
C) normal heart rate
D) third degree heart block

Question 6

On an ECG,what does a variation of 0.1 seconds between the longest and shortest RR intervals indicate?

A) regular rhythm
B) irregular rhythm
C) SA block
D) atrial bigeminy

Question 7

Which dysrhythmia is characterized by a normal P-QRS-T complex,multiple missing P-QRS-T complexes,followed by a normal P-QRS-T complex?

A) sinus arrest
B) sinus block
C) asystole
D) trigeminy

Question 8

Which abnormal atrial mechanism is often one of the first signs of CHF?

A) atrial bigeminy
B) atrial tachycardia
C) atrial flutter
D) atrial fibrillation

Question 9

On an ECG when the ventricular heart rate is regular,the rate can be determined by counting the number of large squares between two consecutive QRS complexes then

A) dividing 300 by that number of large squares
B) dividing 200 by that number of large squares
C) dividing 400 by that number of large squares
D) dividing 600 by that number of large squares

Question 10

In which dysrhythmias would ff waves be present?

A) atrial flutter and atrial fibrillation
B) PAC and atrial tachycardia
C) atrial flutter and bigeminy
D) bigeminy and atrial tachycardia

Question 11

Which abnormal atrial mechanism is associated with anxiety,excessive ingestion of caffeine or alcohol and early stages of menopause?

A) atrial tachycardia
B) atrial bigeminy
C) atrial flutter
D) atrial fibrillation

Question 12

What is the term for the occurence of two PVCs in a row?

A) paired PVCs or couplets
B) bigeminy
C) trigeminy
D) ventricular tachycardia

Question 13

Which of the following can produce a pulseless arrest?
I)Asystole
II)Ventricular tachycardia
III)Ventricular fibrillation
IV)Pulseless electrical activity

A) I, II, III, and IV
B) II and III only
C) II, III, and IV only
D) I, III, and IV only

Question 14

If there are 9 QRS complexes found in 2 vertical 3 second marks on an ECG,what would the rate equal?

A) 90
B) 45
C) 60
D) 80

Question 15

Which atrial abnormality is often seen in women during the third trimester of pregnancy?

A) PAC
B) atrial bigeminy
C) atrial tachycardia
D) atrial flutter

Question 16

Which ECG abnormality is characterized by the absence of a P wave,a wide bizarre QRS,followed by a T wave of opposite polarity?

A) PVC
B) PAC
C) Sinus block
D) Atrial flutter

Question 17

In atrial fibrillation,what is the approximate atrial rate?

A) 300-600 bpm
B) 100-300 bpm
C) 200-400 bpm
D) 400-800 bpm

Question 18

What variance in RR intervals must be present to be considered sinus arrhythmia?

A) more than 10%
B) more than 20%
C) more than 30%
D) more than 40%

Question 19

How is the rate determined on an ECG when the ventricular heart rate is irregular?

A) Count the number of QRS complexes in a 2 vertical marks then multiply by 10
B) Count the number of QRS complexes in 3 vertical marks then multiply by 10
C) Count the number of QRS complexes in a 2 vertical marks then multiply by 6
D) Count the number of QRS complexes in a 3 vertical marks then multiply by 6

Question 20

What is the term for the repeating ECG pattern in which two sinus beats are followed by a PVC?

A) trigeminy
B) bigeminy
C) trisomy
D) ventricular tachycardia

Question 21

What is the name of the abnormal condition in which the bundle of His controls the ventricles at a rate of 40-60 bpm and the atrial rate exceeds the ventricular rate?

A) escape junctional pacemaker
B) bradycardia
C) ventricular escape mechanism
D) asystole

Question 22

What is another term for "flat-line"?

A) asystole
B) complete AV block
C) ventricular flutter
D) ventricular fibrillation

Question 23

What is the recommended range of joules used by a biphasic defibrillator for the tretament of VF?

A) 120-200
B) 60-120
C) 200-240
D) 240-300

Question 24

What is the term for the occurrence of three or more PVCs in a row?

A) ventricular tachycardia
B) trigeminy
C) ventricular flutter
D) ventricular fibrillation

Question 25

When the PR interval consistently exceeds 0.20 seconds in duration and the QRS rate is 60-100,which abnormality is present?

A) first degree AV block
B) second degree AV block
C) complete AV block
D) asystole

Question 26

Which abnormal ventricular mechanism has a QRS rate bewteen 250 and 350 bpm?

A) ventricular flutter
B) ventriculary tachycardia
C) ventricular fibrillation
D) ventricular dysrhythmia

Question 27

Which of the following is recommended to be administered via the ET tube for stable ventricular tachycardia?

A) Lidocaine
B) Magnesium
C) Amiodarone
D) Epinephrine