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EKG Chapter 2
EKG Chapter 2 - cardio system
Question | Answer |
---|---|
The PR interval is usually | 0.12 to 0.20 second |
What part of the ECG tracing represents the repolarization of the bundle of His and Purkinje fibers? | T wave |
What part of the ECG tracing represents the time it takes for the impulse to activate the myocardium to the complete contraction? | PR interval |
What part of the ECG tracing is measured from the end of the S Wave to the beginning of the T wave and is normally on the isoelectrical line? | ST segment |
What wave on the ECG tracing is not always seen and sometimes when seen can indicate an electrolyte imbalance? | U wave |
The heart's ability to create its own electrical impulse is known as | automaticity |
the sympathetic system of the body causes the heart rate to | increase |
which vessel of the body contains the highest concentration of oxygen | pulmonary vein |