3 Questions
During asystole, what would an ECG tracing show?
A flatline
What do the peaks on an ECG tracing represent?
The contraction of the ventricles
What does the distance between each peak and trough on an ECG tracing represent?
The duration of diastole
Study Notes
- An ECG tracing shows the electrical activity of the heart.
- During asystole, the ECG tracing would show a flatline, which is a straight horizontal line indicating that there is no electrical activity in the heart.
- During diastole, the ECG tracing would show a series of peaks and troughs representing the electrical activity of the heart as it contracts and relaxes.
- The peaks, called "QRS complexes," represent the contraction of the ventricles, while the troughs, called "T waves," represent the relaxation of the ventricles.
- The distance between each peak and trough represents the duration of diastole, which is the time when the heart is filling with blood.
Test your knowledge of ECG tracings and the electrical activity of the heart with this quiz. Learn about the different waveforms and what they represent in the cardiac cycle.
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