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A regular rhythm has R-R intervals that vary by only one or two little blocks.
Q4: Which leads look at the lateral wall
Q6: RVH stands for _.
Q9: Which of the following is NOT a
Q23: The first letter of the pacemaker code
Q23: The superior vena cava returns blood to
Q28: In which lead should the tallest QRS
Q29: The type of AV block characterized by
Q39: _ Italian word for "slow," used to
Q46: It is abnormal for the QRS to
Q47: Nonconducted PACs do not conduct through to