EKG rhythm differs from normal sinus rhythm

how do med that are "statins" work

reduce incidence of heart attack & death in pt w/ high cholesterol

the pericardial sac that surrounds the heart

allows the heart to expand & contract w/ minimal friction

how can a pt tell if nitroglycerin has lost its strength?

will not feel tingling when they place med under tongue

tall & symmetrical peaked P waves may be seen w/

increased right atrial pressure and right atrial dialtion

when preparing a pt to wear a holter monitor, what instruction should be given to them

depress the event marker for significant symptoms

first neg. deflection following P wave

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EKG AMCA

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Answers

1
Which of the following is treated w/ Hydrocholorothiazide
high bp and fluid retention
interstitisl cystitis
2
wall that separates the two superior chambers of the heart is called
IVS
Interatrial septum
3
Mitral valve
Loc. between LA & LV
Loc between RA& RV
4
rhytm
v. tachy
V fib.
5
how much blood coming into the Vents flows passively through the aorta
60
80
40
70
6
in leads i, ii,, iii, avl, & v4-v6, the defelction of QRS IS
biphasic
upright
7
flat line going across screen is
systole
asystole
8
heart valves that separate the atria from the vent. are
semilunar valves
atrioventricular valves
9
what is represented by a small square running horizontally on EKG strip
0.04 sec
3 sec
10
Which of the following is usually the cause of interrupted baseline artifact
pt sat up
pt has oily skin/used lotion
11
blood vessel carries oxygen. blood from the LV
pulmonary artery
aorta
12
treated w/ hydrochlorothiazide
angina pectoris
high bp and fluid retention
13
Dysrhythmia means
rhythm arises from a site outside SA node
EKG rhythm differs from normal sinus rhythm
14
"pain associated w/ the heart"
Cardiodynia
cardiomegaly
15
the electrical impulse that normally initiates the heartbeat arises from the
SA Node
AV node
16
what can prevent electrodes from being places in their usual location
migraine headache
amputations, casts, or wounds
17
how do med that are "statins" work
treat HPTN in pt's w high BP
reduce incidence of heart attack & death in pt w/ high cholesterol
18
normal characteristics of the t wave
symmetrical and hyperacute
symm. & inverted
19
vertical line on an EKG strip represents
HR
voltage/ amplitude
20
what occurs when electrical impulses come from foci in the Atrium
a. fib
a. flutter
21
Junctional Tachy has
PRI less than 0.12 secs
an irregular rhythm
22
which one of the following tests do not permit the calculation of the cardiac ejection fraction
chest x-ray
2d echo
23
the pericardial sac that surrounds the heart
allows the heart to expand & contract w/ minimal friction
the mid layer of the heart
24
an electrical current traveling toward a positive electrode produces a waveform that
points upward
points downward
25
how can a pt tell if nitroglycerin has lost its strength?
will not feel tingling when they place med under tongue
they will have itching and a rash
26
what mechanical event during the cardiac cycle is responsible for the production of the 2nd heart sound?
closing of semilunar valves
closing of AV valves
27
lowers overall resistance in the vascular beds
Ace inhibitors
Warfarin
28
a tech suspects pt is having an ischemic event. which portion of the ekg tracing should tech examine
p wave
st segment
29
tall & symmetrical peaked P waves may be seen w/
increased right atrial pressure and right atrial dialtion
delay in the movement of the electrical impulse between the RT&LT atria
30
counted to obtain atrial rate
QRS complex
p wave
31
parts of the heart indicated by arrows
Purkinje fiber & AV
sa & av
32
antihypertensive med
digoxin
Metoprolol
33
Name of rhythm
V. tachy
sinus arrest
34
med used as a local anesthetic and as a first line anti-arrhythmic used to treat acute life threatening Vent. Arrhythmia
Lipitor
Xylocaine
35
position for EKG
supine
reverse Trendelenburg
36
pt is asymptomatic during EKG, HR of 98 bpm, & normal sinus rhythm. what should u do?
continue recording
call 911
37
a rhythm speeds up & slows down in a rhythmic fashion it is referred as
Patterned
frequent
38
when preparing a pt to wear a holter monitor, what instruction should be given to them
remove the monitor from case at night
depress the event marker for significant symptoms
39
EKG limb lead that doesn't record any electrical activity from the heart
RL
LL
40
when educating a pt abt factors that increase the risk of atherosclerosis, include which of the following?
High BP and obesity
High BUN
41
Q wave is
normally absent
first neg. deflection following P wave
42
which action occurs during Vent. Systole
both vent. contract
Left Vent. contracts
43
a good source of vitamin K is cabbage
False
True
44
counted to obtain atrial rate
p waves
t waves
45
category of anti-hypertensive meds that cause Vasodilation, block aldosterone secretion & increase urine output
Beta adrenergic
ACE inhibitor
46
heart on the Rt side
reverse cardia
Dextrocardia
47
Regulation of HR, speed of electrical conduction & strength of contraction are influenced by the brain via the __ sys.
autonomic nervous
central nervous
48
blood vessel brings deoxy blood from heart to the lungs
pulmon. artery
aorta
49
what tales place as a result of myocardial infarction
major artery becomes blocked
portion of heart muscle dies
50
name of 3 leaflet heart valve loc. between RA & RV
tri valve
mitral valve
51
used as a reference point to identify the changing electrical impulse
P WAVE
isoelectric line
52
R-on-T PVC
occurs on or near T wave of the previous beatj
produces a non-compensatory pause
53
first heart sound heard is the ___ valve & the ___ closing
aortic and pulmonic
mitral and tricuspid
54
when preparing a pt to wear a Holter monitor instruct the pt to
depress the event marker for significant symptoms
remove monitor when exercising
55
LEAD III
RA TO LL
LA TO LL
56
limb leads are obtained by placing electrodes on the
rt. arm, lt, leg, and rt leg
Rt arm, lt. arm, and lt. leg
57
which waveforms are indicated by the two arrows in the images
T & Q
P & T
58
Two PVCs in a row
double
salvo
couplet
59
An idioventricular rhythm has a rate of
20-40 bpm
60-100 bpm
60
part of pt med history including lifestyle& health habits
fam history
social history
61
when no abnormalities show during a resting EKG the physician must order an exercise EKG AKA
stress test
Holter monitor
62
following rhythm :
A. flutter
A. fib
63
reference point to identify the changing electrical amplitude
isoelectric line
QRS complex
64
grounded lead
RL
LL
65
a dysfunction in which of the following is associated w/ an abnormal sinus tachy
AV node
nerve signals @ sinus node
66
what does R wave represent
delay caused by the SA
AV node trigerring depolar. in the Vent.
67
U wave represents
Vent. depolar.
Purkinje fibers repolarization
68
narcan is used to block/reverse effects of opioid med, the treatment is given where
gluteus maximus
muscle on the outer thigh
69
name of the heart disease in which coronary arteries are blocked and cell death occurs
Myocardial Infarction
angina
70
during which phase of the cardiac cycle do the coronary arteries fill
late diastole
early diastole
71
intrinsic firing rate of the AV node
60-100
40-60
72
breastbone is referred to as
septum
Sternum
73
touching a person's body without their consent
battery
assault
74
what occurs when electrical impulses come from multiple foci in the atrium
atrial fib.
Vent. tachy
75
what kind of irregularity involves a rhythm that speeds up & down in a rhythmic fashion
patterned
frequent
76
On an EKG horizontal lines measure
heart rate
cardiac output
77
which of the following types of waves are used when calculating HR using the 300 method
q waves
r waves
78
cardiac output is equal to
HR X CONTRACTILITY
SV X HR
79
how is a pt info written for an EKG?
@ a 6th grade reading level
always in english
80
which of the following marks the EKG paper
stylus
marker
pen
81
P wave represents
Repolar of the Atria
Depolar. of the atria
82
The normal QRS complex
occurs before PRI
duration of 0.06-0.12
83
electrocardiogram measures
cardiac output
heart's electrical activity
84
which of the following conditions can result in atrial fibrillation?
anemia
hypertension
85
waveforms may be displayed on a screen called
graph
Oscilloscope
86
electrical conduction pathway
SA - AV -> Bundle of his-> purkinje fibers
sa- pf-av-bundle his
87
which pt education process lets you know that the teaching plan is working
evaluation
documentation
88
valve separates the LA and the LV
tri
bicuspid
89
characteristics of Premature Ventricular complexes include they
Have a wide & bizarre QRS complex
preceded by an inverted P wave
90
V6 placement
5th ICS midclavicular
5th ICS left midaxillary line
91
when charting an EKG, which of the following is most important to document
indication for the EKG
Brand of machine
92
pt w fragile skin for telemetry monitoring; what measure should ekg tech take
apply lubricant before applying electronic
decreased pressure when abrading it
93
placing electrodes on a pt's chest, arm & legs, interference can occur if the pt has a lot of hair covering their body
ask pt's permission before shaving them
apply a depilatory and wipe off hair
94
following functions of the LT Vent. is NOT a phase in the cardiac cycle
pressure
filling
95
correct prefix for "excessive" or "high"
hyper
hypo
96
during depolarization
no electrical activity takes place
impulses generated&transmitted when +ions move inside cell causing to be +
97
point where QRS meets ST segment
ST interval
J point
98
skeleton of heart
separates the atria from Vent.
heart's conduction system
99
part of the heart's electrical conduction system triggers both atria to contract
AV node
SA node
100
when monitoring a pt w/ sinus arrhythmia, a gradual increasing of the HR is usually associated w/
Inspiration
early signs of heart attack
101
period in which the mechanical and electrical events of the heart are relaxed & involves repolar.
diastole
systole
102
Holter monitor is AKA
ambulatory EKG
Cardioversion
103
Rt. side of the heart circulation
pulmonary
systemic
104
hr when a person is experiencing atrial fib.
irregular & fast
irregular & slow
105
each small square in the EKG is equal to
.04
.40
106
Ventricular depolarization
repolarization
T wave
QRS
P wave
107
t wave represens
repolar. of the vent.
depolar. of the vent.
108
most superficial layer; made up of simple squamous epithelial tissue over loose areolar connective tissue is called
pericardium
endo
epi
109
pre-excitation
produces a characteristically abnormal amount of QRS complex & short PRI
leads to a delayed depolar
110
p wave rep. which electrical activity
atrial depolar.
atrial repolar
111
EKG electrodes
D) Both a&b
B)must be made by the same manufacturer
C) always be placed in the same direction
A) should always not be expired
112
cardio accelerator center
part of the parasympathetic nervous sys
part of the sympathetic nervous system
113
what is a Q wave
first negative deflection following P wave
sometimes upright
114
what may tall and symm. peaked p waves be seen w?
increased right atrial pressure and right atrial dilation
impulses outside SA node
115
a mini stroke lasting several mins to a few hours, but has no permanent damage
Transient Ischemic Attack (TIA)
Cerebrovascular Accident
116
PRI may vary from beat to beat in
A. fib
Wandering Atrial Pacemaker (WAP)
A. flutter
117
aVR, aVL, & aVF leads
bipolar
augmented
118
which is true regarding EKG paper
5 small squares= larger box , represent 0.20 seconds
a grid of horizontal and vertical lines that intersect to form
119
following rhythm is
v. tachy
vent. fib
120
following PHI can be disclosed by the med office w/o the pt's permission
medical practice's treatment, payment, and operation info
consent forms and HIPAA forms
121
each large square in the EKG graph paper is equal to
.20
.40
122
action occurs during Vent. Syst.
both Vent. contract
both Vent. relax
123
Making false statements orally
Slander
libel
124
type of rhythm
a. fib
a. flut.
125
during stress test, pt's bp drops to 80/60mmHg. what should the tech do?
have the pt lie supine w/ legs elevated
complete the procedure normally
126
W/ LEAD 2, THE + electrode is positioned on the
RT leg
LT leg
127
which of the following waveforms comes after the Twave and is visible on an EKG
P WAVE
U WAVE
128
method of preparation for the pt that will ensure a successful EKG
pt disrobe and put a gown on
making sure pt's legs aren't crossed and arms are resting @ each side
129
nitroglycerin shouldn't be used if a pt is also taking med to treat
erectile dysfunction
bacterial infection
130
Impulse traveling through the His-Purkinjie system generates a
QRS Complex
P wave
131
refers to damage to a layer of the heart muscle
cardiomyopathy
percarditis
132
earliest sign of the M.I. on an EKG tracing
ST-segment elevation
No P waves
133
Automaticity means
ability to produce electrical impulse w/o need for outside stimulation
ability to respond to electrical impulse
134
where may shorter than normal PRI be seen
junctional escape rhythm
sinus dys.
135
a standardization mark
.20 secs
10 mm tall; 2 large squares high
136
most accurate way to measure HR
1500 method
300 method
137
how do statin meds work
reduce incidence of heart attack and death in the pts w/ high cholesterol
treat hypertension in pts w high BP
138
If a pt is said to be in asystole, characteristics would be
absence of discernible P waves
Rate of 0 and no pulse
139
which of the following actions is helpful in assisting pts w/ their needs?
keeping a list of community resources that can further assist the pt
sending the visiting nurse to assess the pt
140
what is the typical EKG change seen in a pt w/ hypokalemia
elevated J point
presence of U-wave
141
when charting EKG, which is important to document
indication of ekg
brand of ekg machine
142
Gastro means...
gas
stomach
143
3rd step in analyzing EKG
examine the P wave
determine regualrity
144
what does A. fib have
absence of discernible P wave
reg rhythm
145
known as the pacemaker of the heart
SA Node
AV node
146
V2 location?
4th ICS to the left of the sternum
5th ICS to the right of sternum
147
which of the following is the first structure tht will be seen when imaging from the suprasternal notch
IVC
aortic arch
148
OTC med that can be very effective as an antiplatelet is which of the following
naprosyn
Aspirin
149
use of noninvasive & painless ultrasound to examine the heart, its chambers and valves is known as
echocardiography
doppler imaging
electrocardiography
150
rhythm?
A. Fib
V. fib
151
__ positioned on the pt's skin detect the heart's electrical activity
electrodes
leads
152
in which of the following will the QRS complex have higher amplitude?
in women
when there is fluid in the peri
153
T wave
larger than the P wave and completely symmetrical
normally oriented in the same direction as the preceding QRS complex
154
Contraction phase of the heartbeat is called
Systole
Repolarization
155
most muscular chamber of the heart that forces blood through the AOV into the Aorta would be
left ventricle
Left atrium
156
most superficial layer of the heart that is made up of simple squamous epithelial tissue called
epicardium
pericardium
157
blood vessel that carries oxygenated blood to the body
pulmonary vein
Coronary arteries
aorta
158
if a pt has a limb amputated, where would the electrode be placed
tape the electrode to the site
use 2 leads on the remaining limb
159
which of the following is a treatment for Vent. tachy.
cardioversion
cardiac ablation
160
the initiation of the impulse in the SA node & its movement through the atria produces a
PRI
QRS
161
name of the blood vessel that carries oxygenated blood to the body
pulmonary veins
aorta
162
a. fib has
longer PRI
no P waves
163
MYOCARDIAL ISCHEMIA is aka
stroke
angina
164
interference may occur if there is hair covering pt body&need to be shaved. What should u do prior to shaving the pt?
ask pt's permission before shaving them
wash their skin and apply shave cream
165
another name for mini-strokes
TIA
BCC
166
which leads are placed 5th ICS @ MIDCLAVICULAR & MIDAXILLARY
V4 & V6
V5 & V6
167
deflection of the QRS in leads I, II, III, aVL, aVF, & V4-V6
BIPHASIC
UPRIGHT
168
pt in the emergency room presents w/ an irregular Heart beat and a bp of 160/92 mmHG. best description of pts condition
hypotension
hypertension
169
To calculate an irregular heart rhythm use
6 second method
300 method
170
space between ribs
ICS
Valves
171
pt is regularly taking digoxin for heart failure, pt is instructed to do which of the following
Continue w/ their OTC meds
check their pulse on a regular basis
172
pt must undress from the waist up and put a gown on.what else is the pt instructed to do
remove any metal items, change and cell phones from their pockets & body
apply lotion to overly dry skin
173
who must be present during a stress test
EKG tech
cardiologist
174
Atrial depolarization
QRS
P wave
175
3 layers of the heart
peri, myo, endo
epi, myo, endo
176
which of the following applies to the premature vent. complexes
have normal PRI
they have a wide and unusual QRS complex
177
the PRI gets progressively longer in
1st degree AV heart block
2nd degree AV heart block
178
p waves from impulses outside of SA are called
p prime
p neutral
179
med used to treat a known opioid overdose
Narcan
baby aspirin
180
heart receives most of its blood supply via
Coronary arteries
SVC
181
Ventricular repolarization
T wave
P wave
182
myocardium is
external layer
mid layer ; responsible for pumping action
183
Relaxation/Diastole of the cardiac muscle
T wave
repolarization
184
following terms refers to the Vent. ectopic discharge @ a rapid, regular rate in excess of 100 bpm
VENT TACHY
A. FLUTTER
185
circulation of blood to all organs of the systems of the body is AKA
Systemic circulation
pulmonary circulation
186
which of the following is the correct med term for an enlarged heart
cardiomegaly
cardiomyopathy
187
normal duration range when measuring a QRS complex on an EKG strip
0.08-0.10 s
0.05-0.07
188
rhythm
a. fib
a. flutter
189
during 1-rescuer CPR the compression to ventilation ratio is
30:1
30:2
190
characteristics of a pt who is said to be asystole
rate of 0 and no pulse
rapid rate & loss of consciousness
191
which ekg limb lead doesnt record electrical activity from the heart
RT LEG
LT LEG
192
which of the following topics wouldnt be brought up in exam prep
insurance
DOB
193
what vital sign shouldnt be taken if pt presents w/ chest pain
weight
oxygen levels
194
should NOT be included when charting EKG procedure
type of EKG machine
Tech's initials
195
Contraction/systole of the cardiac muscle
depolarization
p wave
196
Premature atrial complexes originate from the
AV junction
Atria
197
Vent rhythm :
V. tachy
V. fib
198
which of the following describes the PRI on a second degree AV heart block, type I?
absent
progressively longer
199
period in the mechanical & electrical events when the heart is relaxed and involves repolarization
diastole
systole
depolarization
200
what arrhythmia ?
first-degree heart block
A. fib

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