Chapter 46

ECGs are most often performed along with the routine annual physical examination every:

5-10 years

LA and RA

Lead I

Which ECG lead records the voltage difference between the left arm and the left leg

Lead III

Fourth intercostal space at left margin of sternum

V2

Fifth intercostal space on left midclavicular line

V4

Horizontal to V4 at left enterior axillary line

V5

Horizontal to V4 at midaxillary line

V6

LL and (RA-LA)

aVF

LA and (RA-LL)

aVL

RA and (LA-LL)

aVR

The first part of the cardiac cycle is called:

atrial depolarization

Ventricular fibrillation is seen in patients with:

cardiac disease

LL and RA

lead II

LL and LA

lead III

Premature ventricular contractions are not commonly seen in patients with:

leukemia

Atrial fibrillation:

produces a heart rate that ranges from 400 to 500 bpm

Who interprets an ECG

provider

Cardiac patients should be instructed to:

take their prescribed medication regularly and report any problems immediately

When placing the ECG electrodes on a patient's lower leg, the connector should point:

up

The bipolar leads are attached to which parts of the body

upper outer arms and inner lower calves