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y/o M rush to ER and found to have abnorm ECG. OD of antiarrhythmic drug suspected. Which of the following drugs correctly paired with ECG effects?

a) Metoprolol/↑ QRS duration
b) Lidocaine/↓ QRS & PR interval
c) Quinidine/↑ PR & ↓ QT intervals
d) Flecainide/↑ PR, QRS, & QT intervals
e) Verapamil/↑ PR interval



Read & pick__________________________72sec________________________________________

A 54 y/o M

E..

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Rt.

That how timing should be