A nurse applies a cardiac monitor to a patient and receives false low-rate alarm sounds. What is the appropriate intervention?
A) Assess for gain dial set too low, poor contact between skin and electrodes, dried gel, broken or loose lead wires, poor connection between patient and monitor, or a malfunctioning monitor.
B) Assess for poor position or contact between the electrodes and skin, or thoracic movement with respirations; reposition or replace the electrodes.
C) Assess for a shift in the electrical axis due to patient movement, making QRS complexes too small to register; low amplitude of QRS; or poor contact between skin and electrode. Reapply the electrodes and set gain so that the height of the complex is greater than 1 mV.
D) Reposition the electrodes to a lead where the QRS complexes are taller than the T-waves, and place electrodes away from major muscle masses; change the lead view on the monitor and use the "relearn" feature, if available, to identify the location of the normal complexes.
C
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