Which of the following should the ECG tech do FIRST in reaction to the following strip?

Assess the patient for consciousness

When acquiring routine ECG, it is MOST important to document which of the following?

Any changes in electrode placement

ECG tech notices abnormality on resting ECG w/ patient seen for exercise stress test, what action should the tech take?

Retrieve the previous ECG so the physician can determine how to proceed

ECG tech is preparing to place Holter monitor on patient. Which following items will be needed for the test? Select 3

Electrodes, Skin prep materials/patient's diary

Patient asks tech, "Is there any risk of being shocked during the procedure?" How should the tech respond?

The machine doesn't transmit electricity through the body

Which of the following should ECG tech explain to patient prior to conducting ECG test? Select 3 answers

Which clothing items to remove & correct way to put on a gown, Sitting still on the table helps prevent false reading, ECG machine measure the hearts electrical activity

which type of the following blocks is shown in the ECG strip?

Third degree heart block (complete heat block)

Patient presents for 12 lead ECG test. Patient's measured blood pressure at 140/100. What should EKG tech do NEXT?

Ask patient to remain seated for 10 minutes then re-measure

The P-R interval measures the time takes to?

For the impulse to travel from the SA node to the AV node

Patient arrives in ER w/ complaints of chest pain &chest fluttering. Obtaining copies of tracings would be beneficial:

they help the doctor detect subtle changes on the new ECG

60-cycle interference is caused by

Wiring in the walls, ceilings, floors

Disposable electrodes should be

Removed immediately after the ECG is completed

56-year old male w/ slight shortness of breath who denies chest pain or discomfort.Which is correct description for ECG?

Sinus rhythm with ventricular tachycardia, emergent

To reduce 9-year old child's activity during 12-lead ECG, what actions should the ECG tech do?

Allow the child to touch equipment before the procedure

When instructing patient 4 behavior 4 ECG, which statement by patient indicate need 4 further instruction b4 proceeding

"I will remove my dentures before the procedure."

Which of the following may cause artifacts on an ECG? Select 3 correct answers.

Segment, Lotion on the skin/shivering, Tangled ECG wires

ECG tech notes irregular pulse prior, which action is MOST appropriate for the ECG technician?

Take apical pulse for one full minute to determine rate accuracy

Which of the following is the MOST effective method when performing ECG on patient with history of tremors?

Ask patient to place their hands under their buttocks

Which of the following is correct regarding the tracing shown below?

Ventricular rate is around 120 BPM

Which following is MOST appropriate explanation when instructing a patient regarding behavior throughout the ECG test?

Lie still & don't talk; any movement can be misinterpreted as abnormal

When performing ECG on patient, which following steps should the tech complete FIRST after explaining the procedure?

Ask patient to don't wear a gown

ECG tech notices a straight line on the monitor when performing ECG. Which of the following should the tech do FIRST?

Check all electronics & cable connections

Which of the following is contraindication for a patient with a 24-hour Holter monitor?

going near magnets or high-voltage areas

To be in compliance with HIPAA the patient's

ID # can't be disclosed as part of providing facility health care statistic

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ECG Practice Test Part 1

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Answers

1
Which of the following limb leads serves as a ground for ECG?
RA
LL
RL
LA
2
Which of the following should the ECG tech do FIRST in reaction to the following strip?
Call a code
Document the results
Advise the physician
Assess the patient for consciousness
3
When acquiring routine ECG, it is MOST important to document which of the following?
Performance of proper hand hygiene
Patient's height & weight
The time required to complete the exam
Any changes in electrode placement
4
ECG tech notices abnormality on resting ECG w/ patient seen for exercise stress test, what action should the tech take?
Retrieve the previous ECG so the physician can determine how to proceed
tell patient test will be need to be cancelled because ECG is abnormal
continue with patient preparation & wait for physician to find abnormality
do nothing because the test was ordered due to an abnormal resting ECG
5
What is the standard paper speed of an ECG recording?
25mm/sec
75mm/sec
50mm/sec
12.5mm.sec
6
ECG tech is preparing to place Holter monitor on patient. Which following items will be needed for the test? Select 3
Blood pressure cuff
Electrodes
Stethoscope
Skin prep materials/patient's diary
7
Which of the following methods is the MOST effective way to reduce patient anxiety before a ECG procedure?
Ask the nurse to talk to the patient
Adjust the room temperature
Ensure the equipment is working
Explain the procedure
8
Which of the following should be used to take a blood pressure reading on a patient? Select 2 correct answers:
Otoscope
Pulse oximeter/Ophthalmoscope
Sphygmomanometer
Stethoscope
9
The QRS complex represents
Recovery of the atria
Recovery of the ventricles
Contraction of the atria
Contraction of the ventricles
10
Patient asks tech, "Is there any risk of being shocked during the procedure?" How should the tech respond?
No shock will occur if you take your earrings off
Do not worry, the ECG machine is properly grounded
You may feel slight shock or tingling
The machine doesn't transmit electricity through the body
11
Which of the following should ECG tech explain to patient prior to conducting ECG test? Select 3 answers
Significance of waveform present on ECG screen &how it relates to symptom
Which clothing items to remove & correct way to put on a gown
Sitting still on the table helps prevent false reading
ECG machine measure the hearts electrical activity
12
The following abnormalities is shown in the ECG below
PVC
PVC
PJC
IVR
13
which type of the following blocks is shown in the ECG strip?
Third degree heart block (complete heat block)
Second degree AV block type 1 (Wenkebach)
Second degree AV block type 2
First degree AV block
14
When doing 12-lead ECG, which electrode is placed in the fourth intercostal space, just to the right of the sternum?
V6
V4
V2
V1
15
In a normal sinus rhythm, the duration of a QRS complex is:
0.36 to 0.4 seconds
0.24 to 0.28 seconds
0.06 to 0.10 seconds
0.12 to 0.20 seconds
16
Which of the following is shown on the strip below?
Ventricular fibrillation
SVT
Ventricular tachycardia
NSR with PVC
17
The horizontal axis of the ECG strip measures
Time
Volume
Baseline
Amplitude
18
documentation of a patient's anticoagulant therapy is necessary because the patient is likely to be prone to?
bleeding
tachycardia
syncope
bradycardia
19
Tech's preparing 2 perform CPR on adult patient unresponsive.Which following should tech use 2 palpate pulse prior 2 CPR
Carotid
Radial
Femoral
Temporal
20
Patient presents for 12 lead ECG test. Patient's measured blood pressure at 140/100. What should EKG tech do NEXT?
Do no tighten the cuff as much when re-measuring the pressure
Reassure the patient that this is normal & proceed with the test
Ask patient to remain seated for 10 minutes then re-measure
Postpone test & ask patient to reschedule appt
21
The P-R interval measures the time takes to?
to depoloarize the ventricles
For the impulse to travel from the SA node to the AV node
for depolarization and repolarization of the atria
for the impulse to travel from the Bundle of His to the Purkinje fibers
22
Which following components of the ECG complex measures ventricular depolarization to end of ventricular repolarization?
ST segment
PR interval
QT interval
QRS complex
23
Patient arrives in ER w/ complaints of chest pain &chest fluttering. Obtaining copies of tracings would be beneficial:
they help the doctor detect subtle changes on the new ECG
if they are no changes, the patient can be discharged imediately
The old ECG will show that the patient already has A-fib
A previous ECG may eliminate the need to obtain a new ECG
24
When placing leads for treadmill stress test, limb leads should be placed on?
appendicular regions
anterior torso
dorsal region
Posterior torso
25
60-cycle interference is caused by
Lead wires following the contours of the body
Proper, grounding of ECG machine
Wiring in the walls, ceilings, floors
The apprehensive patient
26
Which of the following rhythms require the use of an AED?
Ventricular fibrillation
Atrial fibrillation
Atrial flutter
Ventricular flutter
27
Which of the following artifacts is indicated in the ECG strip?
Single chamber pacing
Loose electrodes
AC interference
Dual chamber pacing
28
Which of the following vital signs should the ECG tech monitor closely & record during cardiac stress test?
Apical pulse & respiratory rate
Apical pulse & blood pressure
Heart rate & blood pressure
Heart rate & respiratory rate
29
Disposable electrodes should be
Removed immediately after the ECG is completed
Kept loose on the supply cart for STAT ECGs
Left on the patient in case an ECG is ordered for the next day
Secured to the patient's chest using paper tape
30
56-year old male w/ slight shortness of breath who denies chest pain or discomfort.Which is correct description for ECG?
Sinus rhythm with ventricular tachycardia, emergent
Sinus rhythm with ventricular tachycardia, routine
Ventricular tachycardia, emergent
Ventricular tachycardia, routine
31
In preparation of an unreadable 12-lead ECG, tech has a positive aVR lead when attached. Which is MOST likely the cause?
RA white, LA green
RA white, LL red
RA red, LL black
RA black, LA white
32
Patient's ECG shows erratic waveform without any clear identifiable rhythm. The techs FIRST action should be to check:
ECG machine
Patient
Limb & lead placement
Power supply
33
During ECG, patient loses consciousness & has a weak thready pulse. Which of the following should the ECG tech do FIRST?
Take the patient's vital signs
Activate emergency
Connect the SPO2 monitor
Finish recording the ECG
34
To reduce 9-year old child's activity during 12-lead ECG, what actions should the ECG tech do?
Give the child the option to ask their parents to leave the room
Explain the procedure to the child using medical terminolgy
Wait 15 min before entering the child's room
Allow the child to touch equipment before the procedure
35
When instructing patient 4 behavior 4 ECG, which statement by patient indicate need 4 further instruction b4 proceeding
"I will remain still during the procedure."
"I will remove my dentures before the procedure."
"I will not chew gum during the procedure>"
"I will remove the necklace from around my neck."
36
On 12-sec lead ECG, it is normal for the T-wave to be inverted in what lead?
AVR
V^
V#
I
37
Which of the following may cause artifacts on an ECG? Select 3 correct answers.
Segment
Lotion on the skin/shivering
Cardiac medications/irregular rhythm
Tangled ECG wires
38
ECG tech notes irregular pulse prior, which action is MOST appropriate for the ECG technician?
Take apical pulse for one full minute to determine rate accuracy
Instruct the patient to make an appt. with their PCP
Report findings to the physician if the rate is greater than 90
Count pulse for 30 sec & multiply by two to obtain the correct rate
39
Which of the following is the MOST effective method when performing ECG on patient with history of tremors?
Ask coworker to help restrain patient
Perform the ECG with only the chest leads
Ask patient to place their hands under their buttocks
Cover the patient with blankets to make them feel warmer
40
Electrical impulses that travel toward the positive & away from negative electrode recorded on the ECG as a
Biphasic wave
Segment
Negative wave
Positive wave
41
Which of the following is correct regarding the tracing shown below?
Atrial activity is abnormal
Ventricular rate is around 120 BPM
Trace is normal
Atrial rate exceeds the ventricular rate
42
ECG tech understands that somatic is commonly caused by:
Pulling on the electrodes
Improper grounding
Oil or lotion on the patient's skin
Involuntary muscle movement
43
Which following is MOST appropriate explanation when instructing a patient regarding behavior throughout the ECG test?
Lie still & don't talk; any movement can be misinterpreted as abnormal
Important to lie still & not talk during procedure for own safety
Lie still & don't talk during procedure to prevent wandering baseline
Lie still & don't talk during procedure so you don't interfere with tracin
44
Prior to initiating ECG, which of the following actions does ECG tech need to perform FIRST?
Identify the patient
Cleanse the skin
Apply the leads
Clean the equipment
45
When performing ECG on patient, which following steps should the tech complete FIRST after explaining the procedure?
Place electrodes on the patient
Ask patient to don't wear a gown
Position patient on the exam table
Wipe skin with alcohol
46
ECG tech notices a straight line on the monitor when performing ECG. Which of the following should the tech do FIRST?
Call the physician for help
Immediately begin life support procedures
Ensure the machine is plugged into a grounded outlet
Check all electronics & cable connections
47
Patient with atrial pacemaker, narrow spike should occur when?
After the q-wave
Before the t-wave
After the s-wave
Before the p-wave
48
Which of the following is MOST appropriate when prepping the skin for an ECG on a typical patient?
Hibiclens
Isopropyl alcohol
Povidone iodine
Duraprep
49
Which of the following is contraindication for a patient with a 24-hour Holter monitor?
going near magnets or high-voltage areas
Engaging in physical activity
Driving or operating heavy equipment
Consuming moderate amounts of alcohol
50
If QRS complex measures 0.12 sec or wider, it MOST likely indicates:
Increased delay at the AV node
Delayed ventricular conduction
Noral ventricular conduction
Myocardial infarction (MI)
51
To be in compliance with HIPAA the patient's
ID # can't be disclosed as part of providing facility health care statistic
vital signs should be disclosed only to the provider
Treatment plan can be shared with their family
Diagnosis is considered protected health info
52
ECG tech explains procedure but patient refuses tech perform procedure. Which response is MOST appropriate by ECG tech?
What is it that concerns you about the procedure?
Your doctor has ordered this test & it must be done
Don't worry, the ECG only takes a few seconds
Will you wait here while I update my supervisor?
53
In which of the following rhythms ight the atrial & ventricular rates differ from one another? Select 2 correct answers:
Sinus bradycardia/1st degree AV block
Atrial tachycardia
Atrial flutter
2nd degree AV block type 2
54
Patient with ECG strip quickly loses consciousness. Which of the arrhythmia is the patient MOST likely experiencing?
Ventricular firbrillation
Atrial fibrillation
Atrial tachycardia
Ventricular tachycardia
55
Which of the following rhythms is shown in the strip?
Ventricular fibrillation
Ventricular tachycardia
Premature ventricular contraction
Premature atrial contraction
56
When performing ECG, which of the following precautions must ECG tech always follow to prevent spread of infection?
Isolation
Airborne
Universal
Contact
57
Which of the following should be included when documenting patients medical history? Select 3 correct answers:
History of patients illness & past surgeons
Number of dependents/marital status
Smoking alcohol, & drug use
Current medications
58
Patient is a fussy 2-year old child who will not lie still alone. How should the ECG tech respond?
As the ordering physician to prescribe light sedation
Have parent hold the child in his or her arms quietly
Use papoose restraint
Have the parent reschedule appointment
59
Which of the following is MOST likely the cause of artifact seen in the ECG strip?
Improper lead application
Patient moving
Patient muscle tremor
Improper grounding
60
Which initial action by EKG tech would be MOST appropriate when there is a problem w/ functioning of the ECG machine?
Check the supplies, troubleshoot machine, & escalate as needed
Place an out of service tag on equipment
Read the service manual & attempt to repair the ECG machine
notify person in charge that all ECGs must be cancelled or rescheduled
61
If patient asks questions after ECG procedure has been explained, the ECG tech should do what?
Have a co-worker explain the procedure to the patient
Ask the physician to answer the patient's questions
Perform the ECG as ordered by the physician
Repeat the instructions & clarify any questions
62
Which of the following instructions should ECG tech provide to patient in order to prevent artifact shown in ECG strip?
Do not move or talk while recording
Do not apply moisturizers or ointments
Turn off any electronic device including cell phone
Remove all jewelry
63
Which of the following leads is coded by the color red?
LL
RA
RL
LA
64
While prepping patient for stress echocardiogram, which following info should tech obtain from patient? Select 3 correct
Blood type
Complete health history/list of current medications
Lab results
Cardiovascular risk factors
65
Patient undergoing stress test becomes pale &diaphoretic w/ heart rate of 178. Which following actions should tech take?
assess the patient's vital signs
ask the patient to bear down for vagal maneuver
give the patient aspirin
place the patient on oxygen
66
Elevated ST segment on ECG strip is MOST likely indication of which of the following medical conditions?
Myocardial infarction
Right bundle branch block
Ischemia
Ventricular hypertrophy
67
When performing ECG on patient with right sided heart, the V5 lead is placed on the right
Midclavicular line
midaxillary line
sternal border
anterior axillary line
68
Which of the following is a cause of wandering baseline?
improper grounding
lead reversal
poor skin preparation
Neuromuscular movement
69
Which of the strategies should be used to improve the tracing shown below?
Check patient to assess for seizure activity
Encourage the patient to relax
Change the paper speed to 0 mm per second
Reset the gain so the height of the complex is greater than 1mV
70
Which of the following atrial arrhythmias are shown in the ECG?
Atrial tachycardia
Wandering atrial pacemaker
Atrial fibrillation
Atrial flutter
71
Which of the following patients will be required to keep a diary?
Patient scheduled for a stress test
Patient complaining of chest discomfort & is having an ECG
Patient whose physician ordered ambulatory monitoring
Patient in telemetry
72
Patient finds room uncomfortably cold &unable to remain still while test is performed.Which action should ECG tech take?
Obtain a blanket/sheet & cover patient as quickly as possible
Assure patient the procedure is short &remain as still as possible
Inform the patient that they will have to reschedule procedure
Contact maintenance to adjust thermostat
73
Which of the following is MOST precise method of calculating rate of regular rhythm?
6-sec method
300 method
1500 method
PR_PR interval method
74
Which of the following is evidence on an ECG strip representing pacemaker's failure to fire?
There's a lack of pacemaker spikes in their correct location
No P or QRS waves appear after pacemaker spikes
Intrinsic P waves, if present, are ignored by the pacemaker
Patient's heart rate is faster than the pacemaker rhythm
75
This ECG strip shows an abnormality MOST likely the result of
wandering baseline, caused by excessive lotion use
somatic tremors caused by excessive lotion use
wandering baseline caused by neuromuscular disease
somatic tremors caused by neuromuscular disease
76
Daily maintenance of the ECG machine includes?
Cleaning the leads & lead wires with acetone
Inspecting each lead wire for cracks & fraying
Replacing the alligator clips at the end of the day
Sterilizing the alligator clips & wires with heat
77
What does gain control mean on the electrocardiograph?
The height of the ECG waves and complexes
The width of the ECG waves and complexes
The frequency of the ECG waves and complexes
The chart speed of the ECG waves and complexes
78
Which of the following is the normal rate for the AV junction?
100 to 160 BPM
40 to 60 BPM
20 to 40 BPM
60 to 100 BPM
79
Which of the following blocks is indicated in the ECG strip?
Bundle branch block
second degree type 2 block
Second degree type 1 block
First degree heart block
80
Which of the following items should be in the room for cardiac stress testing? Select 2 correct answers:
Event monitor
Holter monitor/spirometer
Defibrillator
Sphygmomanometer
81
Where does an ECG tech place the V4 lead when performing ECG procedure?
Placed into the fourth intercostal space at the midclavicular line
Placed into the fifth intercostal space at the mid-axillary line
Placed into the fourth intercostal space at the mid-axillary line
Placed into the fifth intercostal space at the midclavicular line
82
ECG tech explains Holter monitor procedure to patient. Which following instructions should be give? Select 3 correct
record daily caloric intake
Avoid physical activity
Record all symptoms
Avoid showers or baths/list daily medications
83
Which of the following must be documented when Holter monitor is used?
Heart rate
expiration date of electrodes
time recording started
blood pressure
84
Room 107 had 2 patients in the room sleeping. Bed 107A woke saying they're ready for test, what should the tech do NEXT?
Call the patients nurse to complete the test
Remove patients gown & place electrodes
Wash the patients chest with soap & water
Compare the patients armband with orders
85
Which following should tech do when cleaning & storing ECG machine after use? Select 3 correct answers
Wipe down machine with disinfectant cleaner(clorox)
Restock all supplies/clean wires &electrode clips with isopropyl alcohol
Wipe down machine with bezoin
Clean wires & electrodes with povidone iodine
86
Artifacts caused by AC interference can be mistaken for which of the following rhythms?
Atrial fibrillation
Second degree heart block
Asystole
Torades
87
Which of the following leads corresponds to the grounded lead?
Black
Red
White
Green
88
After completing an ECG, electrodes may be left on a patient:
If the patient is admitted for recurrent chest pain
If there is another order fo ran ECG in the morning
Until the patient is discharged from the hospital
When a second ECG will be performed immediately
89
ECG tech reviews tracing for patient w/ ventricular pacemaker. Which should EKG tech expect to see after pacing strike?
P wave
Wide QRS interval
Narrow QRS interval
T wave
90
Which of the following should be included in patient instructions when explaining Holter monitor use?
Make sure to remove device before showering
Contact the PCP when experiencing symptoms
Keep diary to record all daily activities, symptoms, &abnormal experiences
Restrict daily physical activity as they can alter test results
91
Best reason for tech to explain procedure for obtaining 12-lead ECG to the patient is because it
Helps the patient know where the 12-lead electrodes are placed
Prepares the patient for any discomfort experienced during the procedure
Relieves patient anxiety & promotes their cooperation
Lessens the technicians anxiety & promotes cooperation
92
Tech's preparing ECG on patient. Patient says they don't want electricity goin thru them. What's BEST response by tech?
There is nothing to worry about & it will only take a few seconds
The ECG machine doesn't produce or generate electricity
You can refuse the test & I will notify my supervisor
The doctor ordered the test & must be done
93
How should a pregnant woman be positioned for an ECG?
Sitting uprgiht
Rolled slightly to her left side
Rolled slightly to her right side
Lying flat on her back
94
Fast irregular heartbeat sensation felt by patient, which may or may not be linked w/ complaints of chest pain known as
Polorization
Precordial
PVCs
Palpitations
95
ECG tech performs on patient who goes into a seizure. Which of the following is the NEXT step the tech should take?
Don't leave patient/call for help. Perform another ECG post seizure
Restrains the patient
Restrain the patient to keep him safe, call 911 and document episode
Don't leave patient. Use tongue suppressor & call for help
96
What should electrocardiograph machines be cleaned with?
Mild detergents
Ethylene oxide
Radiation sterilization
An autoclave
97
Which of the following precautions should the ECG tech take w/ a patient diagnosed with C-diff?
Wear a N-95 respirator mask
Have the patient wear a surgical mask
Wipe down the machine immediately after use
Dispose of all PPE outside of the room
98
What is the BEST reason for correctly identifying the ECG before obtaining an ECG?
because the office or hospital manager has told the tech to ask every time
it may reduce chance of wrong diagnosis
There may be more than one patient with the same name
ECG tech ay not know the patient
99
When placing electrodes for Holter monitor, which should the ECG tech consult?
the hospitals operations manual
the MSDS sheet
The physicians desk reference
The manufacturer's guide
100
It's important to ensure ECG machine is grounded properly in order to prevent
Calibration errors
60 cycle artifact
Somatic tremor artifact
Wandering baseline

ECG Practice Test Part 1 Flashcards | StudBud