Part 2: Lead Placement, Common Terminology, Morphology, and Artifact

Question 1

What is a 6 Lead EKG?

Answer 1

Consists of 4 lead places on the abdomen that measure electricity between them to create an EKG. more commonly Used for a live feed EKG.

Question 2

What is a 12 Lead EKG?

Answer 2

Consists of 10 leads placed on the abdomen that measure electricity between them to create an EKG.

Question 3

What are Electrodes?

Answer 3

Adhesive patches are applied to the skin that creates points of contact for the lead wires.

Question 4

What are Lead Wires?

Answer 4

The wires that come from the tele box act as a closed circuit to create an EKG.

Question 5

What is an Isoelectric EKG?

Answer 5

The baseline on an EKG where there is no electrical activity.

Question 6

What is a Vertical EKG?

Answer 6

The Movement of the waveform represents voltage.

Question 7

What is a Horizontal EKG?

Answer 7

Movement of the waveform that represents time.

Question 8

What is Morphology

Answer 8

A standard Sinus Rhythm with each wave representing a different action of the heart.

Also simply referred to as Wave Forms

Question 9

What is a P Wave?

Answer 9

Atrial Depolarization

Question 10

What is a QRS?

Answer 10

Ventricular Depolarization

Question 11

What is a TWave?

Answer 11

Ventricular Repolarization

Question 12

What is a R-R?

Answer 12

Time between heartbeats

Also known as Rate Rhythms

Question 13

What is an Artifact?

Answer 13

An umbrella term for things on an EKG that are not cardiac signals.

Question 14

What are the causes of an artifact?

Answer 14

• Muscle tremors
• Patient movement
• Loose electrodes
• Electronic devices
• Laptop
• Cellphone
• Heated Blankets