《Formation of normalelectrocardiogram（ECG）》授课教案1

Formation of normal electrocardiogram (ECG

Formation of normal electrocardiogram (ECG)

Omy Electrical activity of cardiac muscle 90mv I mv ECG Omv 讲清两者的关系

0 1 2 3 4 Electrical activity of cardiac muscle -90mv 0mv ECG 0mv 1mv 讲清两者的关系

ECG. in nature is double projections of a three-dimensional vector loop

四、心肌的 repolarization和 T波 ECG, in nature, is double projections of a three-dimensional vector loop

1. Waves in normal ecg

1. Waves in normal ECG

R T P,QRS,T

P Q R S T P,QRS,T

R x

S R P T

2. Volume conductor electrical dipole and vector 3 physic parameters

2. Volume conductor, electrical dipole and vector 3 physic parameters

( Volume conductor and electrical dipole

(1) Volume conductor and electrical dipole

a A Ionized water 电力线 不同的 electric potenti

Ionized water 电力线 不同的electric potential

T volume conductor isopotential line T B

0 isopotential line 0isopotential section