NHA EKG

Question 1

An EKG records what

Answer 1

electrical signals in the heart

Question 2

what position are patients in during EKG

Answer 2

supine (laying on back)

Question 3

when prepping the skin for electrode placement, what are some things that you do

Answer 3

• skin should be free of oils/lotions/creams SO
  -Rub attachment site with alcohol and allow to air dry
• inspecting and avoiding attaching electrodes to any area where skin is irritation is noted

Question 4

point all tabs placed on the chest up or down

Answer 4

down

Question 5

how many intercostal electrodes are there

Answer 5

6
(V1-V6)

Question 6

where does V1 go

Answer 6

4th intercostal space, right of sternum (left facing you)
- like the heart

Question 7

what is the intercostal space

Answer 7

space between the ribs

Question 8

where does V2 go

Answer 8

4th intercostal space, left of sternum
- meaning right to you
- left on the patient, right to you

Question 9

where does V3 go

Answer 9

midway between V2 and V4 on the 5th rib
-on the rib—-not intercostal space

Question 10

where does V4 go

Answer 10

5th intercostals space at midclavicular line

Question 11

where does V5 go

Answer 11

to the right of (your right, patients left) of V4
- in intercostal space

Question 12

where does V6 go

Answer 12

5th intercostal space at the midaxillary line
- edge of rib

Question 13

where does RL go

Answer 13

Anywhere above the PATIENTS right ankle and below the torso
- your left

Question 14

where does RA go

Answer 14

Anywhere between the PATIENTS right shoulder and the wrist
- your left

Question 15

where does LL go

Answer 15

Anywhere above the PATIENTS left ankle and below the torso
- your right

Question 16

where does LA go

Answer 16

Anywhere between the PATIENTS left shoulder and the wrist
- your right

Question 17

When counting down to the 4th intercostal, it’s helpful to know that the 1st intercostal space is the space right below ____________

Answer 17

the clavicle

Question 18

________ of wires can lead to inaccurate tracing and artifact
- what to do to prevent

Answer 18

Pulling
- support the cable by placing in the patient’s abdomen

Question 19

should the patient be lying still or moving during EKG

Answer 19

lying still (and not talk)

Question 20

when documenting in the EHR, what do you include after testing EKG

Answer 20

date and time that EKG was performed,
ordering provider,
test performed,
position of patient,
patient tolerance, and any additional instructions

Question 21

RA stands for

Answer 21

right arm
- which is on your left

Question 22

LA stands for

Answer 22

left arm
- which is on your right

Question 23

how many wires are there in total

Answer 23

10

Question 24

you use what to remove excess hair

Answer 24

scissors ( do not shave)

Question 25

you use what to remove excess hair

Answer 25

scissors ( do not shave) (last resort)
- abrasion

Question 26

on extremities, place electrodes on bony or fleshy parts

Answer 26

fleshy

Question 27

tabs should point ___ on upper extrem. and ___ on lower extrem

Answer 27

down
up

Question 28

what is the standard speed for the EKG recording

Answer 28

25mm/sec

Question 29

AC interference happens when there are
- how to prevent

Answer 29

rhythmic sharp spikes throughout the reading
- move bed away from wall and disconnect electronics in room

Question 30

wandering baseline in caused by

Answer 30

electrode pads being defective or loosely attached

Question 31

limb leads are placed on ___ areas

Answer 31

fleshy

Question 32

polarization is when there is a

Answer 32

flat line

Question 33

if patient is having shortness of breath, which position they should be placed for ekg

Answer 33

semi-fowlers
- head up

Question 34

Lead ___ provides the clearest recording

Answer 34

II

Question 35

limb leads are _____ and precordial leads are ________
a. bipolar, bipolar
b. unipolar/bipolar
c. bipolar, unipolar

Answer 35

c. bipolar, unipolar