Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

MA 23 Qt 2 > Ekg Informations > Flashcards

Ekg Informations Flashcards

(103 cards)

Start Studying
1
Q

Normal Sinus Rhythm (NSR)

A

Rhythm: Regular
Rate: 60-100 bpm
P wave morphology: upright
PR interval: 0.12-0.20 seconds
QRS Duration & morphology: narrow, 0.06-0.10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Sinus Bradycardia

A

Rhythm: Regular
Rate: Less than 60 bpm
P wave morphology: upright
PR interval: 0.12-0.20 seconds
QRS Duration & morphology: narrow, 0.06-0.10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Sinus Tachycardia

A

Rhythm: Regular
Rate: 100-150 bpm
P wave morphology: upright
PR interval: 0.12-0.20 seconds
QRS Duration & morphology: narrow, 0.06-0.10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sinus Dysrhythmia

A

Rhythm: Irregular
Rate: 60-100 bpm
P wave morphology: upright
PR interval: 0.12-0.20 seconds
QRS Duration & morphology: narrow, 0.06-0.10 seconds

Difference: like NSR but P-P and R-R intervals progressively wide, then narrow, following the pt.’s breathing pattern.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Sinus Arrest

A

Rhythm: Irregular
Rate: Depends on the amount of electrical activity occurring from the SA node
P wave morphology: upright
PR interval: 0.12-0.20 seconds
QRS Duration & morphology: narrow, 0.06-0.10 seconds

QRS do not fit equally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Sinus Exit Block

A

Rhythm: Irregular
Rate: Depends on the amount of electrical activity occurring from the SA node. If several impulses are blocked, the rate may be bradycardia.
P wave morphology: upright
PR interval: 0.12-0.20 seconds
QRS Duration & morphology: narrow, 0.06-0.10 seconds

QRS fit equally until next P wave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Premature Atrial Complexes (PAC)

A

Rhythm: Irregular
Rate: 60-100 bpm
P wave morphology: upright, with early complex, can be biphasic
PR interval: 0.12-0.20 seconds
QRS Duration & morphology: narrow, 0.06-0.10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Wandering Atrial Pacemaker (WAP)

A

Rhythm: Irregular
Rate: 60-100 bpm
P wave morphology: Continuous changing (at least 3 different p waves)
PR interval: varies
QRS Duration & morphology: narrow, 0.06-0.10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Multifocal Atrial Tachycardia

A

Rhythm: Irregular
Rate: 101-150 bpm
P wave morphology: varies, can be biphasic
PR interval: Varies due to the changing origin of the electrical activity
QRS Duration & morphology: narrow, 0.06-0.10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Atrial Flutter

A

Rhythm: R-R Regular, occasionally irregular
Rate: 250-350 bpm
P wave morphology: sawtooth pattern, no P waves only F waves
PR interval: Unknown
QRS Duration & morphology: narrow, 0.06-0.10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Atrial Fibrillation

A

Rhythm: Irregular
Rate: 375-700 bpm
P wave morphology: Unknown
PR interval: Unknown
QRS Duration & morphology: narrow, 0.06-0.10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the rate of a Normal sinus rhythm?

A

60-100 bpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which sinus rhythm has a rate that is consistently less than 60 bpm?

A

Sinus bradycardia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which question does not need to be answered when determining the QRS measurement?

A

Are all the QRS complexes of equal length

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which sinus rhythm has a rate of more than 100 bpm?

A

Sinus tachycardia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which rhythm shows an irregularity during inspiration and expiration?

A

Sinus dysrhythmia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The normal PR interval is?

A

0.12-0.20 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

If a QRS complex measures 0.12 seconds or wider, it indicates?

A

delayed ventricular conduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which of the following is a common sign of low cardiac output?

A

Low blood pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which of the following may be a cause of sinus exit block?

A

digitalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Sinus tachycardia maybe a normal finding in a patient as a result of

A

Children

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

When sinus arrest continues for 6 seconds or more, it is considered

A

Medical emergency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The rhythm originating in the SA node that is considered normal is

A

Normal sinus rhythm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The rhythms originating in the SA node that results in the heart beating regularly, but slower or faster than normal are ____________ and _____________.

A

bradycardia and tachycardia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
The rhythm originating in the SA node that is affected by vagal tone is
Sinus Dysrhythmia
26
What is the rate of wandering atrial pacemaker rhythm?
60-100 bpm
27
Which dysrhythmia is similar to wandering atrial pacemaker, except that the rate exceeds 100 bpm?
Multifocal Atrial Tachycardia
28
What is the major health risk for patients who have atrial fibrillation?
Thrombus formation
29
Which atrial dysrhythmia has capital F waves and a classic sawtooth or picket fence appearance?
Atrial flutter
30
Which atrial dysrhythmia has lowercase f waves, chaotic atrial electrical activity, and irregular R-R intervals?
Atrial fibrillation
31
Wandering atrial pacemaker rhythm must have _______ or more differently shaped P waves.
3
32
When premature complexes occur in a rhythm, they interrupt the underlying rhythm, causing it to be ________ when analyzing it.
Irregular
33
Which of the following is a common sign of low cardiac output?
Low blood pressure
34
Multifocal atrial tachycardia may occasionally be confused with _______.
Wander Atrial Pacemaker
35
When analyzing atrial flutter, you note that there are four F waves for each QRS complex. You will represent this pattern in your interpretation as ___________.
4:1
36
The patient has coronary artery disease. How would you expect PACs to affect this patient?
More PACs are more likely to occur because of myocardial cells are damaged and may cause low cardiac output
37
What treatment is usually indicated for patients with atrial flutter?
Oxygen therapy
38
What is the best way to describe the rhythm pattern for atrial fibrillation?
Irregular, Chaotic
39
Which rhythm is considered more serious, MAT or WAP, and why?
MAT because, is usually triggered by an acute exacerbation of emphysema, congestive Heart failure (CHF), or acute mitral valve regurgitation
40
Premature Junctional complex (PJC)
Rhythm: Irregular Rate: depends on the rhythm and number of PJCs present P wave morphology: inverted PR interval: Less than normal QRS Duration & morphology: narrow, 0.06-0.10 seconds
41
Junctional Escape Rhythm
Rhythm: Regular Rate: 40- 60 bpm P wave morphology: inverted PR interval: less than 0.12 secs, constant QRS Duration & morphology: narrow, 0.06-0.10 seconds
42
Accelerated Junctional Rhythm
Rhythm: Regular Rate: 60-100 bpm P wave morphology: inverted PR interval: less than 0.12 secs, constant QRS Duration & morphology: narrow, 0.06-0.10 seconds
43
Junctional Tachycardia
Rhythm: Regular Rate: 100-180 bpm P wave morphology: inverted PR interval: less than 0.12 seconds QRS Duration & morphology: narrow, 0.06-0.10 seconds
44
Supraventricular Tachycardia (SVT)
Rhythm: Regular Rate: 150-250 bpm P wave morphology: unknown PR interval: unknown QRS Duration & morphology: narrow, 0.12 or greater with a delta wave
45
What is the normal, inherent rate for the AV junction?
40-60 bpm
46
Which of the following dysrhythmias is not considered part of the supraventricular tachycardia classification?
Atrial Fibrillation
47
What sign or symptom might a patient complain about when experiencing a supraventricular tachycardia in an unstable condition?
Sensation of a racing heart
48
The criterion needed to classify a dysrhythmia as a supraventricular tachycardia is?
a heart rate between 150 and 350 bpm with narrow QRS complex
49
What is the primary difficulty in determining a supraventricular rhythm?
50
When is the identification of the specific dysrhythmia important in terms of treatment of the patient?
51
What is the heart rate range for junctional escape rhythm?
40-60bpm
52
What is the heart rate range for accelerated junctional rhythm?
60-100 bpm
53
What is the heart rate range for junctional tachycardia?
100-150 bpm
54
Describe why P waves are inverted or buried within the QRS complex with junctional dysrhythmias.
55
What happens in the heart during a heart block dysrhythmia?
Causes a delay or absence of ventricular depolarization
56
First Degree AV Block
Rhythm: Regular, Rate: 60-100 bpm P wave morphology: upright PR Interval: greater than 0.12 (longer) QRS duration and morphology: 0.06- 0.10 seconds consistently long PR interval
57
Second Degree AV Block, Type l ( Mobitz l or Wenckebach)
Rhythm: P-P Regular, R-R irregular due to the blocked impulse (s) Rate: Atrial 60-100 bpm, Ventricular slower than atrial rate P wave morphology: upright (*longer longer longer drop, you have a wenckebach) PR Interval: progressively greater than 0.12 (longer) QRS duration and morphology: 0.06- 0.10 seconds
58
Second Degree AV Block, Type ll (Mobitz ll)
Rhythm: P-P regular, R-R may or may not be irregular due to pattern Rate: Atrial 60-100 bpm, Ventricular slower than atrial, A and V rates are not the same P wave morphology: upright PR Interval: constant and remains constant even after QRS drop QRS duration and morphology: 0.06- 0.10 seconds
59
Third Degree AV Block (complete heart block)
Rhythm: P-P and R-R intervals regular but different Rate: Atrial 60-100 bpm, ventricular slow between 20- 40 or 40- 60 bpm P wave morphology: upright but maybe buried. Not every p wave will have a QRS following it PR Interval: varies due to atrial and ventricular depolarizing at different rates QRS duration and morphology: maybe either within normal limits or wide
60
Which heart block rhythm has the distinguishing feature of a PR interval that measures greater than 0.20 second and measures the same duration each time?
First Degree Heart Block
61
Which of the following heart block dysrhythmias is identified by a repetitious Prolonging PR interval pattern after each blocked QRS complex?
Mobitz I or Wenchebach
62
Which of the following heart block dysthythmias is identified by missing QRS complexes and a consistent PR interval measurement?
Mobitz II
63
Which of the following heart block dysrhythmias is identified by regular P-P and R-R intervals that are firing at two distinctly different rates?
Third Degree Heart Block (complete)
64
P-P intervals are _______ with all heart block dysrhythmias.
regular
65
QRS complexes that measure 0.12 seconds or greater with a rate between 20 and 40 bpm indicate that the impulses causing ventricular depolarization are coming from that _____?
Purkinje fiber
66
What is the typical heart rate range for first degree heart block?
60-100 bpm
67
Frequent non-conducted QRS complexes are likely to cause signs of?
Low cardiac output
68
Which heart block dysrhythmias has regular P-P and R-R intervals with both having the same rate?
First Degree Heart Block
69
Which heart block dysrhythmia is known as the "classical" heart block?
Mobitz II
70
Which of the heart block rhythm is the most serious?
Third Degree heart Block
71
How can you tell the difference between a Mobitz I and a Mobitz II?
Mobitz I: PR longer longer longer-> QRS drops Mobitz II: Constant PR -> some QRS drop
72
What should you do if the patient has a third degree heart block?
pacemaker and call physician
73
Why does it take longer than normal to depolarize the ventricles during a ventricular dysrhythmia?
Because current is not traveling down the normal ventricular conduction pathway to activate both the right and left ventricles simultaneously
74
Agonal Rhythm
Rhythm: Irregular Rate: A- Unknown V-less than 20 bpm P wave morphology: unknown PR Interval: Unknown QRS duration and morphology: 0.12 or greater, wide and bizarre
75
Idioventricular Rhythm
Rhythm: P-P unknown, R-R regular Rate: A- unknown, V- 20-40 bpm P wave morphology: unknown PR Interval: unknown QRS duration and morphology: 0.12 seconds or greater, wide and bizarre
76
Accelerated Idioventricular Rhythm
Rhythm: P-P unknown, R-R regular Rate: A- unknown, V- 40-100 bpm P wave morphology: unknown PR Interval: unknown QRS duration and morphology: 0.12 seconds or greater, wide and bizarre
77
Ventricular Tachycardia
Rhythm: P-P unknown, R-R regular Rate: A- unknown, V- 100-200 bpm P wave morphology: unknown PR Interval: unknown QRS duration and morphology: 0.12 seconds or greater, wide and bizarre w/ increase amplitude
78
Another type of Ventricular Tachycardia is?
Torsades de Pointes
79
Difference between traditional ventricular tachycardia and Torsades de pointes?
Traditional: Consistent morphology Torsades de pointes: changing voltages and durations due to the depolarization impulses in ventricles (different directions)
80
Ventricular Fibrillation
Rhythm: Both P-P and R-R=Unknown Rate: Both A and V = Unknown P wave morphology: unknown PR Interval: unknown QRS duration and morphology: Unknown
81
apnea
The absence of breathing
82
Asystole aka Flatline
Rhythm: none Rate: none P wave morphology: none PR Interval: none QRS duration and morphology: none
83
Which ventricular dysrhythmia has no P waves?
Idioventricular
84
Which ventricular dysrhythmia has a heart rate between 40-100 bpm?
Accelerated Idioventricular
85
Which ventricular dysrhythmia has a heart rate less than 20 bpm?
Agonal
86
Which ventricular dysrhythmia has a heart rate between 20-40 bpm?
Idioventricular
87
What is unique about ventricular dysrhythmias with regard to the P-P intervals?
There are no P waves, so the P-P interval cannot be measured.
88
QRS complexes that measure 0.12 seconds or greater with a heart rate between 20 and 40 bpm indicate that the impulses causing ventricular depolarization are coming from the ______?
Purkinje Fibers
89
Ventricular fibrillation is typically described as "_______"
chaotic
90
Which of the following dysrhythmias is not considered to be a medical emergency?
Occasional PVCs
91
What is the difference between idioventricular rhythm and accelerated idioventricular rhythm?
idioventricular-20-40 bpm accelerated idio- 40-100 bpm
92
How are agonal rhythm and asystole the same?
Less than 20 bpm No consistent cardiac rhythm
93
What is the difference between ventricular tachycardia and ventricular fibrillation?
Ventricular Tachycardia: can calculate rate with a pattern Ventricular Fib: None
94
Branch Bundle Blocks (BBB)
Rhythm: Regular and Irregular patterns are possible depends on SA and AV underlying rhythm Rate: Depends on basic rhythm P wave morphology: Depends on basic rhythm PR Interval: 0.12- 0.20 seconds QRS duration and morphology: 0.12 seconds or greater, Widening of QRS duration indicates presence of BBB
95
LBBB (Left Bundle Branch Block)
96
If majority of ventricular depolarization is positively deflected? LBBB or RBBB? Also referred to as ?
RBBB (Right Bundle Branch Block) Bunny ears
97
If majority of ventricular depolarization is negative deflected? LBBB or RBBB? Characteristic?
LBBB (Left Bundle Branch Block) QS complex is deep wave with no preceding R wave.
98
You observe a wide QRS complex while continuously monitoring a patient in lead II. Which lead placement is referenced to evaluate the location of blockage in the bundle branch system?
Lead V1
99
The labeling of the EKG rhythm strip for documentation of the bundle branch block should include what other information besides the bundle branch designation?
100
Why do the QRS complexes in bundle branch block have a longer than normal duration of more than 0.12 seconds?
The electric current is delayed between the SA and AV node
101
Which of the following rhythms cannot be an underlying rhythm in patients with bundle branch block? -Accelerated junctional rhythm -Atrial flutter -Sinus bradycardia -ventricular tachycardia
ventricular tachycardia
102
Fill in the blank The view referred to when differentiating left from right BBB is _________.
V1
103
Fill in the blank The QRS complex is __________ for a BBB.
0.12 seconds or longer or deeper

MA 23 Qt 2 (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions