Chapter 3 Homework EKG plain and simple 4th ed.

Where is the ground electrode placed?

• left arm

• right arm

• left leg

• right leg

Leads are ____________________ pictures of the heart.

A sensor that is placed on the arms, legs, and chest is called a(n) _________.

The lead whose positive electrode is placed on the left leg is

• aVL

• aVR

• I

• II

How is triaxial diagram formed?

• Joining either frontal or precordial leads at center

• Joining all precordial leads at center

• Joining all frontal leads at center

• Joining either bipolar or augmented leads at center

The bipolar leads are

• I, II, III

• V1-V6

• aVR, aVL, aVF

• II, III, aVF

​ Leads _____________ have their positive electrode on the left leg.

The frontal leads see the heart from the _______ plane.

The unipolar leads are

• V3-V4

• II, III, aVF, V1-V6

• aVR, aVL, aVF, V1-V6

• I, II, III

The augmented leads

• include V1-V6

• Provide a view of the back of the heart

• use a negative reference point

• include II, III, aVF