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
Q17: T waves are normally positive in leads:
A)
Q18: The T wave is normal oriented in
Q19: Which of the following is commonly assessed
Q20: Tall or peaked T waves, also known
Q21: The QT interval:
A) represents the time needed
Q23: The U wave:
A) deflects opposite of its
Q24: Prominent U waves are seen in:
A) hypokalemia.
B)
Q25: The J point is not always easy
Q26: To measure the T wave, identify its
Q27: T waves with bumps may be seen
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