Normal QRS interval is ________ seconds or less than three small blocks.
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Q57: The polarized cardiac cell is electrically negative.
Q58: The baseline is a flat line from
Q59: The normal pacemaker of the heart is
Q60: Depolarization is the changing of the cardiac
Q61: Refractory means _ to.
Q63: One small block on the EKG paper
Q64: The pacemaker with the slowest inherent rate
Q65: Transmembrane potential is the electrical charge at
Q66: A negative deflection that occurs before a
Q67: Normal conduction begins with the pacemaker of
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