Class 8

Atrium

Ventricle

Septum

Superior vena cava

Inferior vena cava

aorta

A-V valves

S-A node

Tricuspid valve

Mitral valve

Fibrous skeleton

Bundle of His

Purkinje fibers

Bundle branch

Prepotential

Gap junctions

Papillary muscles

Chordae tendineae

Pulmonic valve

Aortic valve

P-wave

QRS complex

T-wave

Electrocardiogram