2,3,4- Cardiac Rhythms

Question 1

Regularity: None

Rate: None

PWave: None

PRI: None

QRS: None

Answer 1

Asystole

Question 2

Regularity: Underlying regular or irregular

Rate: Same as underlying rhythm

PWave: None

PRI:

QRS: Wide and bizarre, different QRS configuration

Answer 2

Premature ventricular complex

Question 3

Regularity: Regular PPI and RRI

Rate: Normal SA, normal Ventricular

PWave: More p waves than QRS

PRI: None, no relationship

QRS: Normal or wide

Answer 3

Third degree (complete) heart block

Question 4

Regularity: Depends on underlying rhythm

Rate: Depends on underlying rhythm

PWave: Uniform, married to each QRS

PRI: Constant, greater than .20 sec

QRS: Normal

Answer 4

First degree heart block

Question 5

Regularity: Usually regular

Rate: 20-40

PWave: No P waves

PRI: None

QRS: Wide and bizarre

Answer 5

Idioventricular

Question 6

Regularity: Usually regular

Rate:(V) 150-250

PWave: None

PRI: None

QRS: Wide and bizarre

Answer 6

Ventricular Tachycardia

Question 7

Regularity: Irregular R to R

Rate: Some beats not conducted

PWave: Upright, uniform

PRI: Progressively longer

QRS: Normal

Answer 7

2nd Degree Type 1 (Wenckebach) heart block

Question 8

Regularity: Irregular R to R

Rate: Depends on underlying rate

PWave: Before or after QRS, inverted if visible

PRI: None

QRS: Normal

Answer 8

Premature Junctional Complex

Question 9

Regularity: Regular

Rate: 100-180

PWave: Before or after QRS, inverted if visible

PRI: None

QRS: Normal

Answer 9

Junctional Tachycardia

Question 10

Regularity: Regular

Rate: 40-60

PWave: Before of after QRS, inverted if after

PRI: None

QRS: Normal

Answer 10

Junctional Escape Rhytm

Question 11

Regularity: Regular

Rate: 60-100

PWave: Normal

PRI: Normal

QRS: Normal

Answer 11

Normal sinus rhythm

Question 12

Regularity: R-R varies, can be slightly irregular

Rate: Usually normal, can be slower

PWave: Changing morphology, 1:1

PRI: Varies slighlty

QRS: Normal

Answer 12

Wandering atrial pacemaker

Question 13

Regularity: Rgular

Rate: 60-100

PWave: Before or after QRS, none, inverted if visible

PRI: None

QRS: Normal

Answer 13

Accelerated Junctional Rhythm

Question 14

Regularity: (A) Unmeasurable, chaotic (V) Grossly irregula

Rate: (V) Under or over 100 (changes type of rhythm)

PWave: None

PRI: None

QRS: Normal

Answer 14

Atrial Fibrillation

Question 15

Regularity: Totally chaotic

Rate: Unable to determine

PWave: None

PRI: None

QRS: Unable to determine

Answer 15

Ventricular Fibrillation

Question 16

Regularity: Regular

Rate: (A/V) Less than 60

PWave: Uniform and married

PRI: Normal

QRS: Normal

Answer 16

Sinus Bradycardia

Question 17

Regularity: R-R changes (possibly w/ respiration’s)

Rate: A/V are equal

PWave: Uniform, married

PRI: Normal

QRS: Normal

Answer 17

Sinus Arrhythmia

Question 18

Regularity: Regular

Rate: A/V equal, 150-250

PWave: Different morphology, Pwaves can be hidden

PRI: Normal if obtained

QRS: Normal

Answer 18

Atrial Tachycardia

Question 19

Regularity: Normal R-R, depending on conduction ratio

Rate: (A) 60-100 (V) Less than 60

PWave: Upright, more pwaves that QRS

PRI: May be long

QRS: Normal

Answer 19

2nd Degree type 2 (Mobitz 2) Heart block

Question 20

Regularity: Regular

Rate: (A) 250-350, (V) depends on impulses conducted to AV

PWave: Well-defined

PRI: Often impossible to determine

QRS: Normal, can be covered

Answer 20

Atrial Flutter

Question 21

Regularity: Depends on underlying rhythm

Rate: Depends on underlying rhythm

PWave: Different morphology, flattened, notched, unusual

PRI: Normal

QRS: Normal

Answer 21

Premature Atrial Complex

Question 22

Regularity: Regular

Rate: A/V usually over 100

PWave: Normal

PRI: Normal

QRS: Normal

Answer 22

Sinus Tachycardia