A Patient Is Connected to a 12-Lead ECG Monitor and Pulse

Multiple Choice

A patient is connected to a 12-lead ECG monitor and pulse oximeter before an exercise test.The HR displayed by the ECG monitor is 97;the pulse oximeter reads an HR of 141 with an SpO₂ of 85%.Which of the following would be the most appropriate action?

A) Move the pulse oximeter sensor to an alternate site.
B) Check all ECG lead wires for a good connection.
C) Obtain an arterial blood gas sample as quickly as possible.
D) Document the readings and proceed with the test.