Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Paramedic EKG > Cardiology Question Review > Flashcards

Cardiology Question Review Flashcards

(72 cards)

Start Studying
1
Q

Blood ejected from the heart with each beat is defined as

A

Stroke volume

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

The blood flowing to the heart best describes

A

Preload

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

The R on T phenomenon refers to

A

Simultaneous ventricular depolarization and repolarization. This can cause ventricular arrhythmias

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

An EKG allows for:

A

Multiple views of the heart
3-D perspective
Locations of pathologies

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

AV node impulses are delayed so that

A

The atria can empty fully

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

What EKG interval corresponds to the time it takes an impulse to travel to the ventricles from the atria

A

The PR interval

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

The SA node sends its impulse to

A

The internodal pathways and then to the AV node

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

The ventricles fire at a rate of

A

20-40

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

The Q wave is pathological if

A

It’s one little box wide

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

The hearts impulse begins in the

A

SA node

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

The atria and ventricles communicate via the

A

Bundle of His

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

The AV node fires at a rate of what

A

40-60

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

The SA node fires at a rate of what

A

60-100

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

The T wave represents

A

Ventricular repolarization

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

A t wave should be

A

Asymmetrical

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

What EKG leads view the inferior wall of the heart

A

II, III, aVf

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

What does the ST segment represent

A

The time between ventricular repolarization and depolarization

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

The AV node sends its impulse to

A

The bundle of His

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

The heart is oriented so that

A

The RV is anterior and the LV is posteriolateral

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

One small box represents

A

1mm in amplitude or 0.04 seconds

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

ST elevation indicates

A

Myocardial infarction

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

Sinus Brady is caused by

A

The SA node

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

One big box represents

A

0.2 seconds

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

A junction rhythm differs from an atrial rhythm in that

A

The PR interval is less than 0.12 seconds long

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
How many views of the heart to limb leads provide
6
26
Purkinje depolarization occurs when
The PR interval
27
Prehospital EKGs allows for
A sequence of events that will decrease the time before a patient is in surgery
28
The P wave represents
atrial depolarization
29
The AV node is found
In the right atrium
30
A biphasic deflection occurs when
A vector passes under a lead in a perpendicular line
31
Who doesn’t need an EKG
Multi systems trauma
32
What cells have the fastest autorhythmiticity
The SA node
33
The QRS represents
Ventricular depolarization
34
The first phase of the cardiac cycle is
Diastole
35
S2 is
The closing of the aortic and pulmonary valves
36
The amount of blood pumped out of the heat during systole
Ejection fraction
37
Escape beats occur
After the timing of the underlying dropped QRS
38
What happens if stroke volume decreases
Heart rate and peripheral vascular resistance increase
39
For resting potential to exist
There must be an adequate number of potassium ions inside the cell as sodium outside the cell
40
The QRS complex should be
Less than 0.12 seconds
41
The PR interval should be
0.12-0.20
42
What causes the initial change in the sodium potassium pump
Adenosine Triphosphate
43
What rhythm can be expected in stroke patients
A-Fib
44
What are the Hs and Ts
H: Hypovolemia, Hypoxia, Hydrogen ions, Hypo/hyper kalemia, hypothermia T: Tension Pneumo, Tamponade, Toxins, Thrombosis
45
Magnesium deficiency may cause
Torsades
46
Stable angina
Subsides with rest, is expected, can be treated easily with medication, lasts an expected duration
47
The right ventricle pushes blood through
The pulmonary artery
48
ACLS guidelines say to shock a patient with asystole or a pulseless rhythm at
0J
49
Cardioversion Jules progression
100, 120, 150, 200
50
Defibrillation Jules progression
120, 150, 200
51
Frank starlings law says to increase preload you must
Increase blood volume
52
Atrial cells depolarize via
Cell to cell gap junctions
53
When is the absolute refractory period of cardiac muscle
The contraction
54
When can the cardiac cell not be stimulated
During contraction
55
The junctional pathway fires at a rate of
40-60
56
An increase in diastolic filling increases force of contraction
Frank Starlings law
57
Myocardial ischemia is caused by what
A mismatch of oxygen supply and demand
58
Escape Beats occur
Late
59
Premature beats occur
Early
60
A lack of electrical impulses results in
Asystole
61
What leads show a lateral view of the heart
I, aVL, V5, V6
62
A wenkebach differs from a complete heart block in that
A complete heart block has a constant R R interval
63
ST depression in What leads lead to suspicion of a posterior MI
V1 and V2
64
The absolute refractory period of the ventricles occurs during
the onset of the WRS and the peak of the T wave
65
A second degree heart block type 2 differs from a complete heart block in that
A 2nd degree heart block has a constant PR interval
66
QRS complexes are
0.04-0.011 seconds
67
Absence of ventricular impulses with organized atrial impulses is
Ventricular standstill
68
A 1st degree heart block has
A PR interval greater than 0.2
69
The Q wave should always be
Negative
70
Left bundle branch blocks will have
Discordant T waves in V6
71
Right ventricular hypertrophy must be ruled out to make a diagnosis of
Left posterior hemiblock
72
VOMIT stands for
Vitals Oxygen Monitor IV Transport

Paramedic EKG (12 decks)

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