EKG CH 1-3

What range should the PR INTERVAL be between?

• 0.12-0.20

• 12-20

• 1.2-2.0

• 0.5-0.10

EKG machines vary in

• Size and shape

• Size, shape and leads

• brands, shapes and sizes

• Size,shape and 12 leads to 5 leads

Leads I,II and III are

• travel from a negative

• bipolar

• negative leads

• positive leads

Leads AVL,AVR and AVF are

• bipolar

• unipolar

• augmented

• tracing

V1

• LEFT side of the sternum, directly across from V1 at the FOURTH intercostal space

• LEFT side of the chest, FIFTH intercostal space, midclavicular line

• RIGHT side of the sternum at the FOURTH intercostal space

• LEFT side of the chest, FIFTH intercostal space, midaxillary line

V2

• LEFT side of the chest, FIFTH intercostal space, midclavicular line

• LEFT side of the sternum, directly across from V1 at the FOURTH intercostal space

• LEFT side of the chest, FIFTH intercostal space, midclavicular line

• LEFT side of the chest, FIFTH intercostal space, anterior axillary line

V3

• LEFT side of the chest, FIFTH intercostal space, midaxillary line

• RIGHT side of the sternum at the FOURTH intercostal space

• LEFT side of the chest, FIFTH intercostal space, anterior axillary line

• LEFT side of the chest, midway between V2 and V4

V4

• LEFT side of the chest, FIFTH intercostal space, midclavicular line

• LEFT side of the chest, midway between V2 and V4

• LEFT side of the chest, FIFTH intercostal space, midaxillary line

• LEFT side of the sternum, directly across from V1 at the FOURTH intercostal space

V5

• LEFT side of the chest, FIFTH intercostal space, anterior axillary line

• LEFT side of the chest, FIFTH intercostal space, midaxillary line

• LEFT side of the chest, FIFTH intercostal space, midclavicular line

• LEFT side of the sternum, directly across from V1 at the FOURTH intercostal space

V6

• LEFT side of the chest, FIFTH intercostal space, midclavicular line

• LEFT side of the chest, FIFTH intercostal space, anterior axillary line

• LEFT side of the chest, FIFTH intercostal space, midaxillary line

• LEFT side of the sternum, directly across from V1 at the FOURTH intercostal space