5 Questions
What does the length of a vector in an EKG waveform represent?
Amplitude of voltage
What do the P waves in an EKG represent?
Atrial depolarization
Why do the deflections in an EKG waveform appear upward or downward?
Direction of current flow
What is the isoelectric point in an EKG waveform?
When there is no net electrical activity
What does the orientation of a vector in an EKG waveform represent?
Average direction of current flow
Test your knowledge of cardiac physiology and electrocardiography with this quiz. Explore the concept of the cardiac dipole and learn how voltage is measured in relation to it. Label EKG waveforms with corresponding cardiac electrical events, understand the significance of upward and downward deflections, and grasp the meaning of the isoelectric point.
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