Deck 14: Ecg Interpretation

Question 1

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

Answer 1

A

Question 2

In which dysrhythmias would ff waves be present?

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

Answer 2

C

Question 3

In a resting adult, what is the term for a heart rate less than 60 bpm, or "slow heart"?

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

Answer 3

D

Question 4

Which dysrhythmia causes a P prime wave on the ECG?

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

Question 5

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

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

Question 6

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

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

Question 7

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

Question 8

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

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

Question 9

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

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

Question 10

In the adult at rest, what is the term for a heart rate greater than 100 beats/min?

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

Question 11

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

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

Question 12

Which of the following can produce a pulseless arrest? Asystole
Ventricular tachycardia
Ventricular fibrillation
Pulseless electrical activity

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

Question 13

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

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

Question 14

In atrial fibrillation, what is the approximate atrial rate?

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

Question 15

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

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

Question 16

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 block
B) asystole
C) sinus arrest
D) trigeminy

Question 17

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

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

Question 18

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) Atrial flutter
D) Sinus block

Question 19

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

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

Question 20

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

Question 21

What is characterized by multiple and chaotic electrical activities of the ventricles?

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

Question 22

What is another term for "flat-line"?

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

Question 23

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

Question 24

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

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

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

Question 26

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

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

Question 27

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

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