ELECTROCARDIOGRAPHY
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INTRODUCTION


WHY ELECTROCARDIOGRAPHY IS USED
TO DIAGNOSE
- RHYTHEM DISTURBANCE
- CONDUCTION ABNORMALITIES
- HYPERYROPHY
- METABOLIC EFFECT
- ISCHEMIC HEART DISEASE


THE NORMAL WAVEFORM

SOME KEY TERMS

.ACTION POTENTIAL

.BASE LINE

.DEPOLARIZATION

.POLARIZATION

.P- WAVE

.PR- INTERVAL

.QRS-COMPLEX

.REFRACTORY PERIOD

.T WAVE & REPOLARIZATION