Why Is the Measurement of the QT Interval Important

question 74

Multiple Choice

Why is the measurement of the QT interval important?

• A) It facilitates rhythm identification and is best assessed in Lead II.
• B) It helps differentiate myocardial ischemia from infarction.
• C) An increasing QT interval increases the risk of torsades de pointes.
• D) A decreasing QT interval increases the risk of torsades de pointes.

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