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CERTIFIED EKG TECHNICIAN – QUESTIONS/SOLUTIONS
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CERTIFIED EKG TECHNICIAN – QUESTIONS/SOLUTIONS
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CERTIFIED EKG TECHNICIAN – QUESTIONS/SOLUTIONSWhich extremity do Lead I and aVL have in common? ✔️Ans - LEFT ARM
The standard leads measure flow of electrical currents ✔️Ans - 2
direction
Which limb lead is the ground and what color is it? ✔️Ans - Right Leg
and Green
Which leads form Einthoven's triangle? ✔️Ans - I, II, III
Somatic tremors are due to : ✔️Ans - MUSCLE MOVEMENT
When wearing a holter it is common to have cardiac symptoms not related
to activity ✔️Ans - When wearing a holter it is common to have cardiac
symptoms not related to activity
What is the first step in using AED? ✔️Ans - Turn it on
Someone using a mobile phone which type of interference would you
expect to see: ✔️Ans - A/C or 60 cycle or electric
What is the most accurate way to take a temperature? ✔️Ans - rectally
What should you do if a patient has a cardiac symptoms or EKG changes
during the stress test? ✔️Ans - Notify provider
What are 2 reasons you might put V3 on the right ? ✔️Ans - To prevent
crowding on an infants chest or if patient has dextracardia right sided heart
What do PVC's ventricle arrhythmia's look like? ✔️Ans - WIDE AND
BIZARRE QRS WAVES
What will increasing the gain on the EKG machine do? ✔️Ans - Increase
the height of the R wave
, A thin. straight vertical line appears at random intervals on EKG, this is an
indication patient has ✔️Ans - DEMAND PACEMAKER
Loose electrode would most likely cause ✔️Ans - wandering baseline
What does the PR Interval indicate? How do you measure it? ✔️Ans -
The time it takes the impulse to get from the SA Node to the AV Node
You measure from the beginning of the P wave to the beginning of the QRS
wave
150 small boxes on EKG paper is how much time? ✔️Ans - you would
use the 6 second method
Which arrhythmia has a wide QRS complex with rate of 20-40? ✔️Ans -
Ideoventricular
Lateral wall MI would show in which leads? ✔️Ans - V5
V6
I
AvL
Left midaxillary electrode is which one? ✔️Ans - V6
Which anatomic landmark starts at the center of the axilla and runs down
the side of the chest? ✔️Ans - Midaxillary line
What causes a wandering baseline? ✔️Ans - POOR ELECTRODE
CONTACT, LOOSE ELECTRODES
What should you do if you see a depressed ST segment? ✔️Ans - Notify
the provider
You do not see any deviation from baseline, What are you seeing? ✔️Ans
- ISO-ELECTRIC LINE IS THE SAME AS THE BASELINE
On a 5 lead holter, the black lead is : ✔️Ans - Reference electrode on the
left manubrium
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