Ch4 Performing an ECG

Question 1

What information must be included on the ECG requisition

Answer 1

Patient name, DOB, ID# or Medical Record #, located and date of recording, patient age, sex, race, and cardiac, and other meds they are taking, Wright, height, special condition or position foe the patient during recording

Question 2

Can chills interfere with the ECG?

Answer 2

Yes

Question 3

What should patients remove before an ECG?

Answer 3

Jewelry, watches, belt buckles, electronic devices, things in their pockets, or anything that can interfere with the electrode placement or touches the electrodes

Question 4

If a patient is not able to respond, do you explain the procedure?

Answer 4

Yes

Question 5

Should the bed or exam table touch the wall or any electrical equipment during the ECG?

Answer 5

No

Question 6

What are some ways to maintain safety during an ECG?

Answer 6

Check the grounding prong is securley attached to the plug
Plug in machine securely
Ensure power cord is intact

Question 7

Somatic tremor

Answer 7

Voluntary or involuntary muscle movement

Question 8

Wandering baseline

Answer 8

Artiface in which the tracing drifts away from the center of the graph paper.
Aka. Baseline shift

Question 9

Reasons for a wandering baseline?

Answer 9

Too loose or incorrect electrode application
Tension or pulling on electrode lead wires
Too little electrode gel solution
Old or dried out electrode gel or solution
Oil, lotion, dirt, or hair under electrodes
Poor or no skin preperstion

Question 10

AC Interference

Answer 10

Alternating current Interference
U wanted marking on the ECG caused by other electrical current sources

Question 11

What can cause AC interference?

Answer 11

Improper grounding
Other electrical equipment
Lead wires crossed
Other reasons

Question 12

If there is AC Interference on Leads I and Lead II, where is the source of interference?

Answer 12

Right arm

Question 13

If there is AC Interference on Leads I and Lead III, where is the source of interference?

Answer 13

Left arm

Question 14

If there is AC Interference on Leads II and Lead III, where is the source of interference?

Answer 14

Left leg

Question 15

Interrupted baseline

Answer 15

When one or more leads appears as a flatline on the ECG tracing.
Usually caused by unplugged leads

Question 16

How should you report a STAT ECG?

Answer 16

Give the results directly and immediately to your supervisor or the physician

Question 17

V3R

Answer 17

Placed like a V3 lead but on the right side

Question 18

MCL

Answer 18

Modified Chest Lead

Question 19

Dextrocardia

Answer 19

When the heart is on the opposite or right side of the chest

Question 20

Right-side 12-lead ECG

Answer 20

Used for patients with dextrocardia
Limb leads are the same
Cheast leads are reversed

Question 21

Posterior 12-lead ECG placements

Answer 21

V7 left posterior axillary line
V8 between V7 and V9
V9 left paraspinous border
V9R right paraspinous border
V8R right between V9R & V7R
V7R right posterior axillary line

Question 22

What happens if a patient has a seizure during an ECG?

Answer 22

Remove any objects that may cause injury
Do not try to hold patient still
Loosen restrictive clothing
If possible position patient on his side with his head turned to the side
- once seizure is over, perform the ECG again and write on the ECG strip “postseizure”