EKG

Anatomy of the Hesrt

100

upper chamber of the heart

What is the atrium

200

lower chamber of the heart

What is ventricle

300

capillaries

What is the most numerous blood vessels in the body

400

Diaphram

What is apex of the heart lies

500

mediastinum

What is the chest cavity

First degree heart block

100

PRI

What is GREATER THAN .20 SECONDS

200

QRS

What is Less than .12 seconds

300

The PRI

What is longer than normal