WorksheetsEKG Interpretation and Analysis
Total questions: 86
Worksheet time: 4hrs 14mins
An EKG technician is measuring the intervals on an EKG tracing. Which of the following is an expected finding of impaired conduction through the AV node?
• Decreased QT interval
Prolonged QRS interval
Prolonged QT interval
Prolonged PR interval
An EKG technician notices an accelerated idioventricular rhythm on a tracing. Which of the following actions should the technician take next?
• Tell the patient the results show significant findings and ask if she feels any different.
• Call for help and stay with the patient.
Ask another technician to run an EKG.
Upload the tracing to the EHR and notify the provider that the tracing is ready for interpretation.
Which of the following intervals should be used to determine the regularity of ventricular depolarization?
• P-p wave interval.
R-R wave intervall
QT interval
PR interval
The presence of which of the following on an EKG tracing can indicate a previous myocardial infarction?
• Small P waves
Prolonged PR interval
Narrow ORS complexes
Pathologic Q waves
An EKG technician is performing a standard 12-lead EKG on a patient who is 9 years old. In which of the following locations should the technician place the V6 electrode?
• Right midclavicular space.
Left midclavicular space
Right midaxillary line
left midaxillary line
An EKG technician should recognize that electrical interference on a 12-lead EKG tracing is most likely a result of which of the following?
• Patient movement .
• Expired electrodes.
Crossed lead wires
Inefficient skin preparation
Which of the following electrodes is used to create leads I, II, and aVR?
Left arm
Right arm
Left leg
Right leg
An EKG technician is preparing a patient for a standard 12-lead EKG. Which of the following is the correct placement for lead V4?
The fifth intercostal space at the midclavicular line
The fourth intercostal space at the midaxillary line
The fifth intercostal space at the midaxillary line
The fourth intercostal space at the midclavicular line
A patient tells the EKG technician that she does not understand why she needs an ambulatory monitor after having a standard 12-lead EKG 2 days ago. Which of the following responses should the technician make?
"An ambulatory monitor records differently than an EKG."
"Your provider wants to study your heart over a longer period of time."
"It is standard practice to attach an ambulatory monitor shortly after an EKG.".
"The provider wants to perform another test before he communicates his concerns "
Which of the following actions should the EKG technician take immediately after attaching the telemetry lead wires to the electrodes?
• Check a baseline EKG tracing for monitor clarity.
• Check the wire colors and identifications to ensure attachment to the correct electrodes.
Place the patient in the correct anatomical position.
Tape the lead wires to the patient's skin to prevent disconnection from the electrodes.
An EKG technician is performing an exercise stress test for a patient. Which of the following findings should the technician report to the provider?
• Decreased heart rate.
Increased respiratory rate
Increased sweating
Decreased premature beats
An EKG technician is instructing a patient about a transtelephonic event monitor using a Heart Card monitoring device. To which of the following sites should the patient apply the card to activate it during an event?
• Over the right side of the chest.
• over the left side of the chest.
• Aver the middle to lower part of the sternum
Over the manubrium
Using the tracing below, measure the PR interval.
• 0.10 seconds |
0.52 seconds
0.16 seconds
• 0.28 seconds.
An EKG technician is preparing a patient for an exercise stress test. Which of the following leads should the technician place on the right lower side of the anterior torso?
Lead V1
Lead V6
Lead RA
Lead RL
While performing a 5-lead EKG, an EKG technician notices that lead II and lead III are not yielding a reading. Which of the following limbs should the technician check to correct the error?
• Right arm
Left arm
Right leg
Left leg
An EKG technician notes that the QRS complex is too tall to fit on the EKG paper. Which of the following actions should the technician take?
• Change the gain control to 20 mm/mV.
Change the paper speed to 10 mm/second.
Change the gain control to 5 mm/mV.
• Change the paper speed to 50 mm/second.
An EKG technician should recognize that patients are restricted from performing which of the following activities while wearing a Holter monitor?
Yoga.
Smoking
Sexual activity
Showering
An EKG technician is performing a posterior 12-lead EKG for a patient. Which of the following leads should the technician place along the paraspinous border?
Lead V7
Lead V8
Lead V9
Lead V7R
An EKG technician should recognize that which of the following blood pressure readings is within the expected reference range for an adolescent patient?
60/40 mm Hg:
78/48 mm Hg
86/60 mm Hg
98/78 mm Hg
Which of the following is correct regarding the EKG below?
The patient is in sinus bradycardia.
The patient has a ventricular pacer.
The heart rate is 75/min.
cardiomegely is evident.
An EKG technician is reviewing the EKG tracing of a patient who has ventricular hypertrophy. Which of the following findings should the technician expect?
• An ST segment depression of 2 mm.
Increased amplitude of the QRS complex
Prolongation of the PR interval
Irregularity of the P-P interval
An EKG technician is providing instructions for a patient who is going home with a Holter monitor for 48 hr. Which of the following statements indicates the patient understands the instructions?
• "I am able to shower or bathe."
"I can use moisturizing lotion around the electrodes."
• "' should activate the event marker if I have chest pain.".
"I should only record activities that cause chest pain."
Which of the following leads is created between the left arm and left leg?
• Lead avL
Lead aVF
lead Ill
lead 1
An EKG technician notes that a patient is experiencing a variation in respirations that correlates with the EKG tracing. Which of the following irregularities does this indicate?
• Sinus arrest
Sinus dysrhythmia
Tachycardia
Bradycardia
An EKG technician observes ST segment depression and T wave inversion in multiple leads on a patient's EKG tracing. Which of the following should the technician suspect?
• Myocardial infarction.
• Myocardial injury.
Myocardial ischemia
heart block
An EKG technician is preparing to perform a 12-lead EKG for a patient who has dextrocardia. In which of the following locations should the technician place the electrode for lead V1?
• Right sternal border, fourth intercostal space
Left sternal border, fourth intercostal space
Left mid-clavicular line, fifth intercostal space
Right mid-clavicular line, fifth intercostal space
When placing electrodes on the patient for telemetry, in which of the following locations should an EKG technician place the ground electrode?
On the right upper arm
On the left upper arm
On the left lower leg
On the right lower leg
Using the 6-second method, calculate the approximate ventricular rate in the tracing below.
30/min
40/min.
50/min
60/min
Which of the following leads is created when an EKG technician places the electrode to the right of the patient's sternum at the fourth intercostal space?
Lead V1
Lead I
Lead aVR
Lead MCL2
An EKG technician is recording a patient's radial pulse rate and finds the pulse to be irregular. The provider then takes the patient's apical pulse.
The technician should recognize that which of the following locations is used for this assessment?
• Between the larynx and the left sternocleidomastoid muscle
Between the fifth and sixth ribs, at the left midclavicular line
• The antecubital aspect of the left or right elbow
The thumb side of the wrist
Calculate the ventricular rate in the tracing below using the 1500 method.
140/min
150/min
160/min
170/min
An EKG technician is caring for a patient who is experiencing heart palpitations. Which of the following interventions should the technician expect the provider to prescribe?
Vasodilator medication
Holter monitor
Cardiac inotropic medication
Chemical stress test
An EKG technician is performing a standard 12-lead EKG for a patient. The technician should identify that which of the following information is recorded by lead I?
• Electrical activity between the right arm and left leg
Electrical activity between the right arm and left arm
Electrical activity between the left arm and left leg
Electrical activity between the right leg and left leg
An EKG technician is reviewing a tracing for a patient who has a ventricular pacemaker. Which of the following rhythm patterns should the technician expect after a pacing spike?
Regular P waves
AV delay between 0.12 and 0.16 seconds
ORS interval between 0.06 and 0.10 seconds
Wide QRS interval
While performing a standard 12-lead EKG, an EKG technician notices that none of the leads are giving a reading. Which of the following limbs should the technician check first when correcting this problem?
• Right arm
Left arm
Right leg
left leg
An EKG technician is preparing a patient for the application of a Holter monitor. The patient tells the technician that she runs about 5 miles each day. Which of the following responses should the technician make?
"You should continue exercising as usual while wearing the monitor."
"Make sure to increase your cardiac medications while wearing the monitor to offset the activity.".
"You should talk to your provider about continuing that activity while wearing the monitor."
"Take someone with you when you are running while wearing the monitor."
Which of the following actions should the EKG technician take to resolve a wandering baseline on a patient's EKG tracing?
Relieve tension from the lead wires.
Clean the lead wires after each use.
Provide a blanket to the patient.
Have the patient remove any personal electronic devices.
Which of the following EKG findings differentiates accelerated idioventricular rhythm from junctional rhythm?
• Accelerated idioventricular rhythm has P waves.
The ventricular rate in accelerated idioventricular rhythm is slower than junctional rhythm.
Acalerated idioventricular rhythm is indicated by an irregular rhythm.
• Accelerated idioventricular rhythm has wide ORS complexes.
An EKG technician is evaluating a standard 12-lead EKG tracing during a recording. The technician should recognize that electrical activity of the septal wall is recorded by which of the following leads?
Leads aVL and V5
Leads I and V6
Leads V1 and V2
Leads III and aVF
An EKG technician is providing instructions to a patient who is to wear a cardiac event monitor at home. Which of the following statements by the patient indicates an understanding of the instructions?
• "I can take showers while wearing this monitor."
"The monitor will keep track of all my daily activities."
I can continue to use my electric blanket while wearing the monitor."
"I will continue to do my daily walk to the grocery store."
During an exercise stress test, an EKG technician notices that the patient appears to be hyperventilating. Which of the following actions should the technician take first?
• Administer oxygen to the patient.
Slow down the test.
Stop the exercise portion of the test.
Check the patient's respiratory rate.
An EKG technician should recognize that which of the following blood pressure readings is within the expected reference range for an adolescent patient?
60/40 mm Hg
78/48 mm Hg
86/60 mm Hg
98/78 mm Hg
What is the name of the arrhythmia in the EKG tracing below?
• Sinus arrhythmia.
Ventricular fibrillation
Wandering atrial pacemaker
Atrial fibrillation
Which of the following is the electrode charge combination for the limb leads for a standard 12-lead EKG?
• Right arm negative pole, left arm positive pole, and left leg positive pole.
Right arm negative pole, left arm positive pole, and left leg negative pole
• Right arm positive pole, left arm negative pole, and left leg negative pole.
Right arm positive pole, left arm positive pole, and left leg negative pole.
An EKG technician should recognize that the Purkinje fibers serve which of the following purposes?
• Initiate electrical impulses in the heart.
• Conduct electrical impulses from the AV node.
Transfer electrical impulses from the atria to the Bundle of His
Carry electrical impulses directly to ventricular muscle tissue
Which of the following can cause sinus arrhythmia?
• The patient's respirations.
• The decrease of oxygen to the patient's heart.
• The patient's sinoatrial node firing above 100/min.
The patient's pacemaker
For a healthy adult patient, which of the following describes the pattern of the anticipated QRS complex in lead V4?
• Completely positive.
• Completely negative
• Biphasic.
Positive and slightly rounded
Calculate the ventricular rate in the tracing below using the 1500 method.
140/min|
150/min
160/min
170/min
An EKG technician is administering an exercise stress test to a patient and notes the patient's heart rhythm shows a depressed ST segment. Which of the following actions should the technician take first?
• Administer oxygen to the patient.
Instruct the patient to sit upright.
Discontinue the test.
call emergency medical services
Measure the QT interval in the tracing below.
90 milliseconds
240 milliseconds
450 milliseconds
720 milliseconds
An EKG technician is preparing a patient for an exercise stress test. Which of the following leads should the technician place on the right lower side of the anterior torso?
Lead V1
Lead V6
Lead RA
Lead RL
In which of the following locations should the EKG technician place the electrodes for a 3-lead ambulatory monitor?
On the right shoulder, the left shoulder, and the left abdomen
On the left arm, the right arm, and the left leg
•Onthe V1. V2
• and V3 lead locations
• On the V9R. V8R. and V7R locations.
An EKG technician is preparing a patient for an exercise stress test. In which of the following locations should the technician place the RL electrode?
• Right lower abdomen.
• Medial right lower leg
Lateral right upper leg
Medial right upper leg
Which of the following is the most likely cause of the artifact in the tracing below?
Patient respirations
Electrical interference
Somatic tremor
Pacemaker spikes
Which of the following actions should the EKG technician take to resolve the artifact in the EKG tracing below?
• Inspect the cables and connections for any damage or exposed wires..
Move the patient's bed or exam table away from the wall.
Remove tension from the lead wires.
• Have the patient place their hands under their buttocks, palms down.
An EKG technician should recognize that which of the following is the expected reference range for the respiratory rate of a newborn patient?
• 12 to 19/min
• 20 to 29/min.
30 to 49/min
50 to 59/min
An EKG technician is entering information about a patient's lifestyle and occupation into the electronic health record (EHR). The technician should enter this information into which of the following sections of the EHR?
• Chief complaint.
Past history
• Social history.
Review of systems
An EKG technician notices that the waveforms on an EKG are very close together and the patient has an unusually rapid heart rate. To spread out the tracing, the technician should change the paper speed to which of the following?
25 mm/second.
• 50 mm/second.
• 10 mm/second.
5 mm/second
Which of the following is used to ensure the EKG machine is working properly?
Calibration.
Gain
Artifact filter
speed
An EKG technician is administering an exercise stress test to an adult patient. Which of the following findings should the technician identify as an indication that the patient is experiencing an adverse reaction to the stress test?
• An increase in heart rate from 76/min to 120/min
• An increase in blood pressure from 110/76 mm Hg to 120/80 mm Hg
A decrease in the PR interval from 0.20 to 0.16 seconc
• An increase in respiratory rate from 16/min to 34/min
An EKG technician is applying a Holter monitor for a patient. Which of the following is the final step the technician should take when applying a Holter monitor?
• Install batteries in the monitor.
Explain the use of the activity diary to the patient.
Document the procedure in the patient's health record.
• Connect the electrodes to the leads.
Which of the following describes the correct electrode placement for lead V5?
• Right of the sternum, fourth intercostal space
Anterior axillary line, fifth intercostal space
Left of the sternum. fourth intercostal space
Midaxillary line, fourth intercostal space
An EKG technician is performing a standard 12-lead EKG for a patient who has a below-the-knee amputation of the left leg. The technician should modify and document the lead placement for this patient in which of the following ways?
Eliminate placing the lower extremity limb leads entirely.
• Place the left lower extremity lead on the upper abdomen.
Place the lower left extremity lead on the left groin.
Place the lower left extremity lead on the right lower leg.
Using the 6-second method, calculate the approximate ventricular rate in the tracing below.
30/min
40/min
50/min
60/min
An EKG technician is preparing a patient for an exercise stress test. Which of the following statements should the technician make before the test?
• "We will provide you a patient gown to wear during the test."
• "This procedure requires informed consent."
"Refrain from eating or drinking anything except water after midnight on the night before the test."
• "The results of your stress test will be available the same day."
During an exercise stress test, an EKG technician notices that the patient appears to be hyperventilating. Which of the following actions should the technician take first?
Administer oxygen to the patient.
• Slow down the test.
• stop the exercise portion of the test.
Check the patient's respiratory rate.
Which of the following intervals should be used to determine the regularity of ventricular depolarization?
P-p wave interval
R-R wave intervall
• QT interval.
PR interval
An EKG technician is reviewing the EKG tracing of a patient who has ventricular hypertrophy. Which of the following findings should the technician expect?
• An ST segment depression of 2 mm.
Increased amplitude of the QRS complex
• Prolongation of the PR interval.
Irregularity of the P-P interval
The R-R interval on a patient's tracing has five large boxes. Which of the following is the patient's heart rate?
• 40/min.
60/min.
75/min
85/min
An EKG technician is preparing to use an automatic external defibrillator (AED) for a patient. After turning on and attaching the AED to the patient, which of the following actions should the technician take next?
• Instruct the AED to deliver one shock, then begin CPR.
Stand clear from the patient and allow the AED to analyze.
Start CPR, then have the AED deliver one shock after 2 min.
Remove the patient's clothing and instruct the AED to deliver one shock.
While performing a 5-lead EKG, an EKG technician notices that lead II and lead III are not yielding a reading. Which of the following limbs should the technician check to correct the error?
Right arm
Left arm
Right leg
Left Leg
An EKG technician is preparing a patient for the application of a Holter monitor. The patient tells the technician that she runs about 5 miles each day. Which of the following responses should the technician make?
• "You should continue exercising as usual while wearing the monitor.".
• "Make sue to increase your cardiac medications while wearing the monitor to offset the activity."
• "You should talk to your provider about continuing that activity while wearing the monitor."
• "Take someone with you when you are running while wearing the monitor."
An EKG technician has just provided patient education prior to an exercise stress test. Which of the following statements made by the patient indicates an understanding of the preparation?
• "I can smoke the night before the exam."
• "I cannot take my insulin the morning of the test."
• "I should fast for 8 hours prior to the test.".
• "I can drink coffa 2 hours before my exam.".
A patient presents alert and oriented, but an EKG technician finds that all the waveforms are negative in lead I. The technician should check the cable connections for which of the following limb electrodes?
• Left leg and right leg
Left arm and left leg
• Right arm and left leg.
Right arm and left arm
An EKG technician is preparing to obtain a patient's blood pressure reading. The patient reports jogging to the facility "to get some exercise." Which of the following actions should the technician take?
• Notify the provider immediately of the elevated blood pressure and document it in the EHR.
• Document in the medical record that the patient's blood pressure is elevated.
• Have the patient rest before taking the blood pressure reading and document it in the EHR.
Verify if the patient has a family history of high blood pressure and document this finding.
An EKG technician is monitoring the pulse of a 50-year-old patient during an exercise stress test. The provider uses an 85% multiplier for this patient. Which of the following is the target heart rate for submaximal exercise for this patient?
140/min
145/min
• 150/min.
Which of the following is the order in which the EKG technician should document a patient's vital signs?
• Pulse, temperature, blood pressure, and respirations
Respirations, blood pressure, temperature, and pulse
Blood pressure, reskirations, pulse, and temperature
Temperature, pulse, respirations, and blood pressure
An EKG technician is preparing to perform a 12-lead EKG for a patient who has dextrocardia. In which of the following locations should the technician place the electrode for lead V1?
Right sternal border, fourth intercostal space
Left sternal border, fourth intercostal space
• Left mid-clavicular line, fifth intercostal space.
Right mid-clavicular line, fifth intercostal space
Which of the following actions by the EKG technician demonstrates compliance with HIPAA regulations?
• The technician forwards a patient's EKG results to a specialist without patient authorization.
The technician shares the EKG results of an 18-year-old patient with the patient's parent.
• The technician identifies the patient using two forms of identification.
The technician uses a privacy screen on the computer to prevent others from viewing the monitor.
Which of the following actions should an EKG technician take before storing EKG cables to prevent the transmission of microorganisms?
Sterilize the cables with heat.
Clean the cables with soap and water.
Sanitize the cables with alcohol gel.
Wipe the cables with disinfectant.
An EKG technician is reviewing the EKG tracing for a patient who has a pacemaker. The technician should recognize that which of the following alterations is being recorded on the patient's rhythm strip?
Loss of capture
• Oversensing
Failure to pace
Undersensing
Which of the following rhythms is characterized by upright P waves, narrow QRS complexes, and a ventricular rate between 60 and 100/min?
• Idioventricular rhythm.
• Junctional rhythm.
Sinus rhythm
Atrial rhythm
An EKG technician is providing instructions for a patient who is scheduled for an exercise stress test. Which of the following instructions should the technician include?
• "You should not drink any water for 12 hours prior to the test."
• "Do not take your medications on the day of the procedure."
• "You should avoid wearing shoes with high heels for this test."
• "Avoid eating for 4 hours prior to the test.".
A patient has a prescription to wear a Holter monitor for 24 hr. Which of the following statements by the patient indicates an understanding of home care instructions?
"I can turn the Holter monitor off in order to shower or bathe."
"I should record spontaneous symptoms unrelated to an activity."
"I should not replace electrodes that come loose."
• "I should avoid daily activities that might trigger heart abnormalities."
An EKG technician should recognize that which of the following is characteristic of the EKG tracing for a patient who has atrial fibrillation?
• R-R interval is irregularly irregular
• P-p inferval occurs regularly
• Clearly defined T waves
• Prolonged QRS duration
An EKG technician is performing an exercise stress test when the patient becomes unresponsive with no breathing or pulse. The technician uses an automated external defibrillator (AED) to administer a shock to the patient. Which of the following instructions should the technician expect next?
• Check the patient for responsiveness.
• Check the patient's airway.
Resume performing CPR on the patient
• Monitor the patient's pulse.
