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test 1 Flashcards

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1
Q

Difference between EKG and ECG

A

No Difference

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2
Q

Which of the following is not an element of the electrical pathway

A

Electrodes

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3
Q

The no electrical activity represents

A

Isoelectric Line

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4
Q

The intrinsic electricity refers to

A

The electricity produced by the heart on its own

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5
Q

What are the 5 steps to consider when analysing rhythm

A 
How fast or slow
rhythm regular or irregular
is there a p before every QRS
what is the PR interval
What is the duration of the QRS complex
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6
Q

which leads look at the adjoining tissue in the anterior region of the left ventricle

A

V2,V3,V4

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7
Q

The electric impulse conductive way of the heart is

A

SA Node-AV Node-Bundle of his-Punjunki Fibers

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8
Q

The inferior wall of the left ventricle is supplied by the ___coronary artery in most of the population

A

Right

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9
Q

To determine whether the ventricular rhythm on the EKG tracing regular or irregular, compare___ intervals

A

R TO R

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10
Q

When the left ventricle contracts, freshly oxygenated blood flows through the ___ into the ____

A

Aortic, Aorta

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11
Q

In a Junctional Rhythm viewed in lead II where the location of the P wave on the EKG if atrial depolarization precedes ventricular depolarization

A

Before the QRS complex

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12
Q

The ground electrode is found in

A

The right leg

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13
Q

DIrection blood flows through the heart

A

RIght Atrium-Right Ventricle-Pulmonary Artery-Lungs-Pulmonary Veins-Left Atrium-Left Ventricle

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14
Q

On the EKG, the P wave represents atrial___ and the QRS complex represents ventricular___

A

Depolarization, Depolarization

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15
Q

The precordial leads are

A

V1,V2,V3,V4,V5,V6

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16
Q

Which side of the heart is a low pressure system that pumps blood to the lungs

A

Right

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17
Q

The heart is divided into __ chambers but function as a__ sided pump

A

4,2

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18
Q

The middle layer of the heart is called

A

myocardium

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19
Q

Inside layers of the heart to the outside are

A

endocardial-myocardial-epicardial

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20
Q

___ cells are working cells of the heart that contain contractble filaments are form the muscular layers of the artrial walls and thicker muscular layers of the ventricular walls

A

Myocardial

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21
Q

which of the following is the first positive deflection seen on the EKG after the P wave

A

R wave

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22
Q

On an EKG, what is the first negative deflection seen after the P wave

A

Q wave

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23
Q

Which is th element of an EKG

A

P Wave

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24
Q

On the EKG, the time necessary for the spread of an electrical impulse through the av node, bundle of his, right and left bundle branches, and the punkinje fibers is reflected by the

A

Pr Segment

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25
The portion of the EKG tracing between the QRS complex and the T wave is called the
ST segment
26
The QT interval is measured from the beginning of the
QRS complex to the end of the t wave
27
How do you determine whether the atrial rhythm on an ekg trach is regular or irregular
compare p to p intervals
28
The R To R interval is the distance between
The R wave and the successive beats
29
The Q wave is
The first deflection to the bottom before R
30
Blood flows from the R atrium through the__ valve into the R ventricle, also seprates the Right Atrium from RIght Ventricle
Triscuspid
31
The left atrium recieves blood from the__
Pulmonary Veins
32
THe heart is constitued
2 atria and 2 ventricles
33
Blood vessel that comes out of the left ventricle
The aorta
34
The apex of the heart is formed by the ____
Tip of the left ventricle
35
The absolute refractory period begins with the onset of the __ and tertminates___
QRS complex, at approximatey the apex of the apex of the T
36
Rapid Ejection of blood from the ventricular chambers of the heart occurs because___ and ___ valves open
pulmonic, aortic
37
The monopolar leads are
V1,V2,V3,V4,V5,V6,AVR,AVL,AVF
38
lead II records the difference in electrical rojtenial between __ leg__ arm
left, right
39
Leads,II,III, AVF view the__ surface of the left ventricle
inferior
40
leads v3 views the__ wall of the left ventricle
anterior
41
lead v1 view the
septum
42
which leads look at adjoining tissues in the inferior regions of the left ventricle
II,III, AVF
43
seminlinar valve are
aortic+Pulmonic
44
The PR interval is considered prolonged if it is more than___ seconds a duration
0.20
45
Each large box on ECG represents__ second
0.20
46
The normal value of the PR interval is
from 0.12 to 0.20 sec
47
in an adult the normal duration of the qrs complex is
0.10 secondsd or less
48
the intrinsic rate of the ventricle__ beats/min
20-40
49
an ECG machine sensitivity must be callibrated so that 1mv electrical signal will produce a deflection measuring exactly__ mm tall
10
50
each small box on the ECG paper represents
0.04
51
The rate of sinus tacycardia is___ beats/mins
faster than 100
52
The rate of a sinus bradycardia___ beats/min
slower than 60
53
the rate of a sinus rhythem is___ beats/min
60-100
54
The intrinsic rate of the atriovenicular AVI bundle is__ beats, min
40-60
55
The normal pacemaker on the is the __ node, which is found in the___ atrium, and has an intrinsic rate__beats, min
sinotrial, right, 60-100
56
The T wave represent
ventricular repoliarzation
57
the cardiac cell is relaxed, the state is known as
repolarization
58
where is the positive electrode placed in lead III
left leg or foot
59
the normal value of p wave is
less than 0.11 sec
60
The intrinsic rate of the purkinje fiber is__ beats, min
20-40
61
The LL electrode is placed
left leg
62
when the cardiac muscle cell is stimulated, the cell is said is
depolarize
63
The heart pacemaker is?
SA node
64
The PR segment wave represents
Delay at av node
65
The RA electrode is placed
Right Arm
66
The DIII lead is found in
left arm negative left positive positive foot
67
in the hearts conduction system the ___ revieves a electrical impulse from the right and left bundle branches and relay to the venticular myocardium
punjunkie fibers
68
high pressure side of heart is
left
69
The SA node is located in
The Right Atrium
70
where should the positive electrode for lead VI be posistioned.
Right side of the sternum, fourth intercosal space
71
which if the following leads should be used to view the right ventricle
v4r
72
leads I, AVI, V5 and V6 views the __ surface of the left ventricle
lateral
73
Tall peaked t waves deserved on the ECG observed on the ECG are most commonly seen i patients with
hyperkdemia
74
the DI leads is found in
Right arm negative, left arm positive
75
where is the postive electrode placed in lead I
left arm
76
the v4 electrode is placed
the 5 left intercostal space with medic clavicle line
77
the DII lead is found in
Right arm negative, left foot position foot
78
the v3 elctrode is palced in
between v2 and v4
79
the v2 electrode is placed in
4th L intercostal space next to the sternum
80
The V1 electrode is placed
4th intercosatal space next to the sternum
81
the v5th electrode is placed
5th left intercostal space with anterior axillar line
82
the v6th electrode is placed in
5th left intercostal space with the media axillar line
83
in sinus arrthymia a gradual in creasing of the heart rate is usually assocated with
ispiration
84
the valve that seperates the left atria from the left ventricle is
mitrial or biscuspid
85
R atrium recieves blood from
vena cava
86
the bipolar leads are
DI DII DIII
87
the axes of leads I, II, III form an equlateral traingle with the heart at the center enthoves traingle if the augmenteed limb leads are added to this configurration and the axes of the 6th leads moved in which they bisect each other the result is
hexaxial refrerence system
88
distalic___ systolic
distalic is bottom systolic is top
89
what is not normal in an infant patient
heart rate less than 100
90
An increase in duration on an EKG wave represents
prolonged depolarization in a hypertrophic heart chamber
91
what best describes action potential
spontaneous depolarization results in a wave of new action potentials
92
if both the sinoatrial node and av node fail to generate an impulse, the ventricles will take over as the pacemaker of the heart. How is this reflected on the EKG strip
There is no P Wave
93
the following is not included in allowing patient record release
The patient is behind in medical bills
94
what treatment is not recommended for atrial flutter
Defibrillation
95
which of the following leads do not contain a positive role
Right leg
96
which of the following is the minimum number elecrodes that may be attached to a patient for a holter monitoring
5
97
when preparing a patient for an ekg is the supine position, where should tech stand to apply the electrodes
patients left side
98
which of the following sinus rhythm has a heart rate of more than 100/min
sinus tachycardia
99
in which of the following rhythms is the PR interval absent
ventricular tachycardia
100
a technican must document which of the following information in a patients electronic medical record regarding an ekg procedure
Date and time of the EKG
101
An EKG technician is preparing a patient for an EKG and notices that the patient is grabbing their chest and reporting chest pain. Which of the following conditions should the technician suspect
Tachycardia
102
A technician is monitoring a patient who is experiencing angina during a treadmill stress test. Which of the following actions should the technician make
Reduce the speed of the treadmill
103
which of the following findings is a contraindication to a patient undergoing a stress test
congestive heart failure
104
A technician is preparing to put the EKG machine away at the end of the day. Which of the following action should the technician take
Wipe the machine down with an nonabrasive cleaner
105
Atechnican is preparing to perform an EKG on a patient who has bilateral leg amputation the technician should adjust which of the following leads for this patient
lower extremity leads
106
During an exercise stress test, a technician should observe the patient for which of the following?
fatigue
107
which of the following tracing would indicate atrial flutter
the f waves have a saw toothed appearance
108
The septal wall of the heart is viewed by which of the following leads
V1 and V2
109
A technician is monitoring a patient who is undergoing a stress test. The technician should collect which of the following from the patient
oxygen saturation
110
while an EKG technician is preparing a patient for exercise stress testing, the patient complains of mild chest tightness. which of the following steps should the technician take first
obtain vital from the patient
111
which of the following is a contraindication to performing an exercise stress test
the patient is having a myocardial infarction
112
which of the following locations should apply sphygmomanometer
Right brachial

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