Multiple Choice
A prolonged QT interval:
A) indicates prolonged ventricular repolarization.
B) can be caused by hypercalcemia or digoxin toxicity.
C) is defined as one having a duration of greater than 0.50 seconds.
D) can predispose the patient to dysrhythmias such as sinus tachycardia.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The _ represents ventricular repolarization.<br>A) T wave<br>B)
Q3: The duration of the ST segment is
Q4: The QT interval:<br>A) represents the time needed
Q5: ST segment changes are identified by:<br>A) measuring
Q6: The ST segment begins at the _.<br>A)
Q7: To measure the QT interval, first locate
Q8: Which of the following is commonly assessed
Q9: For proper measurement of the ST segment,
Q10: The T wave is best described as
Q11: The J point is not always easy