A client's cardiac status is being observed by telemetry monitoring. A nurse observes a P wave that changes in shape in lead II. What conclusion can the nurse make from this?
A. The P wave is originating from an ectopic focus.
B. The P wave is firing twice from the sinoatrial (SA) node.
C. There is no real P wave.
D. The P wave is normal.
A
If the P wave is firing consistently from the SA node, the P wave will have a consistent shape in a given lead. If the impulse is from an ectopic focus, then the P wave will vary in shape in that lead.
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