10 Questions
Which part of the ECG represents the repolarization of the ventricles?
T wave
What does an electrocardiogram measure and track?
Electrical impulses in the heart
What are the deflections or waves that form an ECG?
P wave, QRS complex, T wave
What does the P-R interval measure?
Depolarization of the atria
What is observed as deflections of a line on paper or traced on a video monitor in an ECG?
Electrical activity
What does the QRS complex represent in an ECG?
Depolarization of the ventricles
What does the S-T segment measure in an ECG?
Electrical activity
What does the T interval measure in an ECG?
Repolarization of the ventricles
What does the QRS interval measure in an ECG?
Rate of conduction of an action potential
What does an ECG trace back to identify changes with the heart's contractions?
Voltage changes
Test your knowledge on measuring and tracking electrical impulses in the heart with this informative quiz! Explore the science behind electrocardiograms and learn about the graphical representation of these electrical events. Discover how changes in voltage can provide valuable insights into cardiac health.
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