Select the incorrect statement regarding the PR interval.
A) A normal PR interval measures 0.12 to 0.20 second.
B) The PR interval normally lengthens as the heart rate increases.
C) The PR interval is measured from the point where the P wave leaves the baseline to the beginning of the QRS complex.
D) A normal PR interval indicates the electrical impulse was conducted normally through the heart's conduction system.
Correct Answer:
Verified
Q1: When electrical activity is not detected on
Q2: The ECG does not provide information about:
A)
Q3: Where is the negative electrode placed in
Q4: In an adult, the normal duration of
Q6: Where should the positive electrode for lead
Q7: Lead V5 views the _ of the
Q8: Which of the following leads should be
Q9: Lead V1 views the:
A) anterior wall.
B) septum.
C)
Q10: The portion of the ECG tracing between
Q11: When leads I and aVF are used
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