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The ECG is a basic investigation that is widely used in medicine
You are guided through a module based on your objectives.
This package teaches you the important fundamentals of recording a 12-lead ECG and labeling the ECG.
Numerous patient cases are provided for evaluation while your understanding of material will be tested at the end of the module
Normal activation of the heart
The resting potential is maintained by ionic gradients across the cells with a higher sodium concentration outside and higher potassium concentration inside
Following a stimulus, a rapid inward movement of sodium occurs causing a loss of the negative internal potential. This is called as depolarization.
This is followed by repolarization, a slower process than depolarization where the potassium moves out of the cell
