Electrical capture during transcutaneous cardiac pacing is characterized by:
A) the presence of a strong pulse, despite a slow rate.
B) a pacemaker spike followed by a wide QRS complex.
C) narrow QRS complexes that are preceded by a pacemaker spike.
D) low-amplitude QRS complexes preceded by a pacemaker spike.
Answer: B) a pacemaker spike followed by a wide QRS complex.
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