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199.

Which of the following is a true statement regarding tachycardia?

A. in the case of atrial flutter and paroxysmal supraventricular tachycardia, the first delivered shock should be 70-120 J.
B. in the case of atrial fibrillation, it is more advisable to use stepwise increases in energy rather than a maximal-energy synchronized shock available for a given device.
C. to achieve conversion of atrial and ventricular tachyarrhythmia, the shock must by synchronized with the Q wave on the ECG.
D. in the case of ventricular tachycardia with a pulse, the first shock should be 70-100 J.
E. none of the above.

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