CET 2022 Study Guide Questions with Complete
Solutions
What should you do if a pt is experiencing angina during a treadmill test? -Answer- Stop
the test, Check the patient first, then notify the MD (doctor)
What woul
...
CET 2022 Study Guide Questions with Complete
Solutions
What should you do if a pt is experiencing angina during a treadmill test? -Answer- Stop
the test, Check the patient first, then notify the MD (doctor)
What would be a contraindication to a stress test? -Answer- an MI (myocardial
infarction) or CHF (congestive heart failure); (anytime you don't want to put stress on
the heart)
Where do you attach the electrodes for telemetry/Holter (ambulatory) monitoring? -
Answer- The chest
Are there hygiene restrictions during Holter monitor testing? -Answer- yes (e.g. don't
shower)
What type of activities need to be documented in the diary during a Holter monitor? -
Answer- Any activity usual & unusual
While doing an EKG you see a flat line tracing, what should you do first? -AnswerAssess the patient
What's can cause alternating current (electrical) interference artifacts? -Answeranything electrical
Heart rate changes associated with respiration are described as __________________.
-Answer- regularly irregular rhythm
Patient is asymptomatic (not having any symptoms) during a stress test, what should
you do? -Answer- Continue the test
The septal wall of the heart is viewed by which leads? -Answer- V1, V2
QRS complex width of < 3 small squares. Is this normal conduction? -Answer- yes (<
0.12)
Which waveform represents atrial conduction on an EKG? -Answer- p wave
Dyspnea has to do with which vital sign? -Answer- Respirations
How do you measure the PR Interval? -Answer- beginning of P wave to beginning of
QRS complex
With the Bruce protocol stress test, how often do you record pt BP? -Answer- every 2.5
to 3 min / EKG done every 5/10/15 minutesWhich wave differentiates idioventricular rhythm from junctional escape rhythm (both
rhythms are slow and have no P waves)? -Answer- QRS
How many electrodes are used for Holter monitoring? -Answer- 3-5
Make sure you can identify atrial flutter on a rhythm strip. -Answer- ▪︎saw tooth like p
waves
▪︎ratio can vary from 2:1 to 3:1 depending on av conduction
▪︎atrial rate is fast 250-300 bpm
▪︎ventricular rate slower due to (protective) refractory period
▪︎ventricular rate is normally regular but can be irregular
▪︎no p-r interval
▪︎no T wave
Report _________________ when pt is doing a stress test. -Answer- syncope (fainting)
or any unusual findings
What does a QRS complex width of 0.20 seconds indicate? -Answer- delayed
ventricular conduction
Which control on the EKG machine increases or decreases the amplitude (voltage) of
the tracing? -Answer- gain
THR (Target Heart Rate) calculation -Answer- 220-age, x .85
Standard calibration mark on an EKG should be _______ small boxes in amplitude
(height, up) -Answer- 10 or Gain of 1
After doing a nonstandard EKG on a pt, the gain setting should be returned to
____________. -Answer- 10mm/mv
Holter monitor electrodes are distinguished by:
¤ number
¤ letter
¤ symbol
¤ color -Answer- ¤ color
Which part of the EKG tracing shows ventricular repolarization? -Answer- T wave
Where do the chest electrodes go when performing an EKG? -Answer- ▪︎V1/C1
4th intercostal space to the right of the sternum
▪︎V2/ C2
4th intercostal space to the left of the sternum
▪︎V3/C3
Midway between V2 and V4▪︎V4/C4
5th intercostal space, left midclavicular line
▪︎V5/C5
at horizontal level of position 4 at left anterior axillary line
▪︎V6/C6
at horizontal level of position 4 at left midaxillary line
If a patient has a cast on her left arm and left leg, where would you put the limb leads? -
Answer- both upper thighs or lower abdomen (same place on each limb)
A wide, bizarre QRS complex is characteristic of which type of arrhythmia? -AnswerVentricular
____________ rhythm is associated with an inverted or absent P wave. -Answerjunctional
What is the best way to verify a patient understands instructions? -Answer- Have patient
repeat directions back and document it
Stand on the patient's ___________ side to do an EKG. -Answer- left
Multiple small spikes of the same size would indicate which type of artifact? -AnswerAC Electrical
Document ______________ & _______________ in the pt's EHR ( Electronic Health
Record)when doing an EKG. -Answer- Pt's name, DOB, time, date it was done
Which wave represents atrial conduction? -Answer- P wave
How to identify A-fib on a rhythm strip -Answer- very irregular, no P waves
What would you see on the tracing if the pt has a ventricular pacer? -Answer- spike
before wide QRS
A loose electrode would most likely cause which artifact? -Answer- wandering baseline
What is the color of the lead that serves as the ground? -Answer- green (right leg)
How would you determine the regularity of a pt's heart rhythm? -Answer- measure R to
R intervals
Which line represents a period of zero electric activity? -Answer- isoelectric line (same
as baseline)
Which lead groups are put in a nonstandard location for a stress test? -Answer- both
limb leads (go on chest)What is a sphygmomanometer and which artery do you use to take a BP? -Answer- BP
monitor, Brachial
postural hypotension -Answer- decrease in blood pressure caused by a sudden change
in position (e.g., standing up suddenly)
The presence of a deep or wide Q wave on an EKG indicates _______________. -
Answer- remote MI (Myocardial infarction, in the past)
What on an EKG would tell you an electronic pacemaker is firing but failing to capture? -
Answer- spike followed by nothing (no P or QRS wave, depends)
_________________ is the most common lead used for continuous monitoring. -
Answer- lead II
Which lead position would you adjust for a pt who has bilateral leg amputations? -
Answer- lower extremities (legs)
Which heart block has a PR interval > 0.20? -Answer- 1st Degree Heartblock
What is the first thing you should do if the monitor shows ventricular fibrillation? -
Answer- check the patient
In which leads would you see an inferior wall MI? -Answer- V2, V3, V4
which wave occurs occasionally before the P wave? -Answer- U wave
Obtain _________________ from a pt prior to a stress test. -Answer- oxygen saturation
What does pulse oximetry measure? -Answer- oxygen saturation
On any type of EKG the black lead goes here -Answer- LA (left arm)
Which limb produces the AVF reading? -Answer- left foot
Where would you put V3 on a pt with Dextrocardia (when the heart is on the opposite or
right side of the chest) -Answer- on the right
Where would you put the precordial leads on a pt with
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