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Worksheetsekg operations
Total questions: 80
Worksheet time: 40mins
In order to get a clear EKG tracing the patient must be lying:
quietly in the prone position
in the Trendelenburg position
in the Sims position
in the supine position
Where will the electrodes be placed to record the augmented leads of the 12 lead EKG?
chest
arms and legs
head
abdomen
Which of the following describes how the EKG machine works?
records the electrical activity of the heart
makes a picture of the heart
makes a tracing of the heart and lung activity
records the impulse from the brain
The EKG machine can pick up interference from which of the following sources?
other electrical machinery
electrical wall outlets
the patient
all of the above
To measure the atrial rate on the EKG, you will count which of the following?
the QRS complexes
the P wave
the R waves
the PR intervals
The U wave can be defined as which of the following?
is sometimes seen, but not often
it can mean an electrolyte problem (K decrease)
It may be normal for that patient
all of the above are true of the U wave
Which of the following information must be used to label an EKG when the EKG machine does not automatically label the strip?
patient name ad ID number
time and date the EKG was done
the EKG technician's initial
all of the above
Which of the following leads are recorded from the 6 chest electrodes?
lead 1, lead2, lead 3
AVR, AVL, AVF
leads V1-V6
both A and B
How many leads are recorded strictly from the 4 extremities electrodes?
6
4
12
10
The standardization of the EKG machine on each machine tells the technician which of the following?
testing of the amplifier sensitivity
stylus response
check of the instrument's settings
all of the above
When would the technician need to adjust the paper speed?
when the heart rate is rapid
when certain segments of a complex are close together
always when the patient is having bradycardia
both a and b
V4 is considered which of the following?
bipolar limb lead
augmented or unipolar limb lead
chest or precordial lead
none of the above
V6 considered which of the following?
bipolar limb leads
augmented or unipolar limb lead
chest precordial lead
none of the above
Which of the following is the internationally accepted standard speed for the EKG machine?
50 mm/sec
20 mm/sec
75 mm/sec
25 mm/sec
Lead I is considered which of the following?
bipolar limb lead
augmented or unipolar limb lead
chest or precordial lead
none of the above
Which limb is positive in the AVF lead?
right arm
left arm
right leg
left leg
A rhythm strip is which of the following?
is in addition to the 12 leads
ordered by the color
helps the doctor see the complete rhythm of the heart
all of the above
The vertical scale of the ECG paper measures which of the following?
size
time
voltage
all of the above
In lead three which of the following electrical impulses are recorded?
right and left arm
right arm and left leg
left arm and left leg
right and left leg
How many electrodes make up the 12 lead EKG?
12
10
14
8
The standard leads are comprised of which of the following leads?
AVR, AVL, AVF
lead 1,2,3
V leads
both a and b
When the monitor shows a straight like you should begin troubleshooting by checking which of the following?
attachment of the lead wire
on-off switch
lead selector switch
all of the above
Which wave form would not be seen in a normal ECG?
P wave
QRS
V wave
T wave
Which of the patient's limbs are the ground lead?
right leg
left leg
right arm
left arm
A positive wave will be pointing in which of the following directions?
upward
downward
toward the negative connection
away from the negative connection
Also known as the baseline, it is best determined by drawing a line between the end of the T and beginning of the P wave.
P wave
isoelectric line
SA node
Av node
Located in the proximal intraventricular septum. It merges from the AV node to begin the conduction of the impulse from the AV node to the ventricles.
Bundle of His
ST segment
T wave
Electrode
A small rounded wave on an EKG that indicates atrial contraction.
T wave
AV node
P wave
SA node
The interval of time between the P wave and the R wave on the ECG.
R-R interval
P-P interval
long QT interval
PR interval
A QT interval longer than 0.42 secs.
Long QT interval
Short QT interval
PR interval
P-P interval
A heart rhythm initiated in the AV node in the event of SA node failure.
Junctional rhythm
sinus rhythm
rhythm strip
normal rhythm
The interval from the peak of one QRS complex to the next. It is used as an indicator of regularity when evaluating the heart's rhythm on an EKG.
long QT interval
R-R interval
PR interval
P-P interval
Portion on the EKG wave from the end of the P wave to the beginning of the QRS complex, lasting about 0.1 secs.
PR segment
ST segment
R segment
T segment
A cluster of special muscle fibers located in the right atrial wall of the heart considered to be the primary pacemaker of the heart.
Av node
SA node
SV node
AV node
EKG measurement of the time between ventricular depolarization and repolarization.
short OT interval
long QT interval
P-P interval
QT interval
Change of the electrical polarity of a membrane because of flow of ion in and out of the cell across the cell membranes.
depolarization
electrode
repolarization
junctional rhythm
Represents the period from the end of ventricular depolarization to the beginning of ventricular repolarization.
PR segment
R segment
ST segment
T segment
The restoration of electrical polarity via an increase in ion differential between cell membranes of the myocardium.
wave
segment
repolarization
depolarization
The electrical sensors placed on the chest to record the bioelectrical activity of the heart.
electrode
node
wave
interval
Specialized heart conducting tissue that receives impulses from the SA node and propagates them to the ventricles.
AV node
SA node
AS node
VA node
EKG representation of the heart's electrical impulse as it passes through ventricles.
A wave
T wave
P wave
QRS complex
A single-lead electrocardiography recording used to evaluate the patient's rhythm.
sinus strip
rhythm strip
wave strip
long strip
Corresponds to rapid ventricular repolarization.
A wave
P wave
T wave
Q wave
The interval represented by the space between the P waves of two consecutive complexes.
P-P interval
PR interval
QT interval
T interval
The normal cycle of electrical stimulation of the heart that begins in the SA node, traveling to the left atrium and down to the AV node.
rhythm
junctional rhythm
sinus rhythm
QT rhythm
How many electrodes make up the 12 lead EKG?
12
10
14
8
The standard leads are comprised of which of the following leads?
AVR, AVL, AVF
Lead one, two and three
V leads
both a and b
When the monitor shows a straight line, you should begin troubleshooting by checking which of the following?
attachment of the lead wire
on-off switch
lead selector
all of the above
Which wave form would not be seen in a normal EKG?
P wave
QRS
V wave
T wave
Which of the patient's limbs are the ground lead?
right leg
left leg
right arm
left arm
A positive wave will be pointing in which of the following directions?
upward
downward
toward the negative connection
away from the negative connection
Poor electrode contact can cause which of the following?
wandering baseline
intermittent loss of signal
false low rate alarms
all of the above
Multi-channel recordings...
take more time
take less time
are not necessary
none of the above
A small wave sometimes appearing between the T wave and P wave is which of the following?
U wave
V wave
W wave
M wave
the device that detects skin voltage is which of the following?
amplifier
galvanometer
sensor
none of the above
Leads 1,2, and 3 are the _____ leads.
augmented
chest
standard
limb
The greatest disadvantage of using sensor paste over gel or cream is which of the following?
it affects accuracy
it cannot be used on chest leads
it dries hard and you have to thoroughly clean after each use
stop recording and re-apply the lead wires the same way they were
You are recording lead 1 and notice a negative R wave, what would you do?
ignore it and continue recording
stop recording and call the doctor
stop recording and check to be sure the correct lead wires are connected to the sensors
stop recording and re-apply the lead wires the same way they were
In what order are the waves named?
T wave, QRS wave, P wave
P wave, QRS wave, T wave
P wave, Q wave, R wave, S wave, T wave
P wave, QRS wave, ST segment, T wave
When sensor paste is allowed to accumulate on the sensors, it will cause which of the following?
a variety artifacts
better conduction
irritation to the patient's skin
none of the above
The R wave can be defined as which of the following
it represents the depolarization of the ventricles, it represents a ventricular impulse e
it represents the depolarization of the atrias, when the atrias begin to contract
first positive infection in the QRS complex
is measured from the beginning of the Q wave where the wave is complete
The QRS complex can be defined as which of the following
is measured from the beginning of the Q wave through where the wave is complete
A long wave following the QRS during repolarization of the ventricles
it represents the depolarization of the ventricles, it represents a ventricular impulse
first positive area produced by the depolarization of the ventricles
the T wave can be defined as which of the following
first positive area produced be the depolarization of the ventricles
a long wave following QRS during repolarization of the ventricles
isoelectric portion of the interval that precedes ventricular depolarization
it represents the depolarization of the ventricles, it represents a ventricular impulse
the medical term meaning relating to the heart and lungs is which of the following
cardiopulmonary
cardiovascular
cardiolungular
cardiorenal
PAT is an abbreviation that stands for which of the following
Pulmonary Atrial Tearing
Paroproxymal Auricular Tamponade
Partial Anomalous Tachycardia
Paroxysmal Atrial tachycardia
AF is an abbreviation that stands for which of the following
immediately
Transmitting EKG signal via radio waves
coming from a focus outside the normal
Atrial fibrillation
Telemetry is a term that refers to which of the following
immediately
transmitting EKG signals via radio waves
coming from a focus outside the normal
atrial defribillation
SA is an abbreviation that stands for which of the following
Sinus Arrest
Singular Atrium
Sinoatrial
Simple Arrest
The medical term meaning relating to the heart and blood vessels is which of the following
cardiovascular
cardiopulmonary
cardiorenal
cardiohemovascular
impulses traveling through the heart's upper chambers (the atria) are delayed in the area between the upper and lower chambers (the AV node) and fail to make the ventricles beat at the right moment
ablation
First-degree heart block
second-degree heart block
third-degree heart block
an arrhymia in the ventricle characterized by a very fast heart beat
arteries
arteriosclerosis
ventricular tachycardia
ventricular fibrillation
a portable device for recording heartbeats over a period of 24 hours or more
sphygmomanometer
holter monitor
stethoscope
pacemaker
Rapid, uncoordinated contractions of individual heart muscle fibers. The heart chamber involved can't contract all at once and pumps blod ineffectively, if at all
restenosis
fibrillation
flutter
palpitations
the "natural" pacemaker of the heart. The node is a group of specialized cells in the top of the right atrium which produces the electrical impulses that travel down to eventually reach the ventricular muscle, causing the heart to contract
lipoprotein
pancreas
Sinus (SA) node
Alveoli
blueness of the skin cause by insufficient oxygen in the blood
endocardium
homocysteine
ischemia
cyanosis
WNL is the abbreviation of which of the following
within natural limits
within normal limits
without natural limits
without normal limits
the second sound heard when taking a blood pressure is which of the following?
Venous pressure
diastolic pressure
systolic pressure
carotid pressure
PMI is the abbreviation for which of the following
premature irritability
posterior myocardial infarction
posterior myocardial insufficiency
premature myocardial infraction
palpitations is which of the following
Rapid throbbing or fluttering of the heart
weak, slow fluttering of the heart
calm and resting
arrest
one complete heart beat, combining the contraction and relaxation phase is know as which of the following?
Base Lien cycle
ECC cycle
electrode cycle
cardiac rhythm
