Patent ID: 11872030
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A

Claim 19:
20. The medical device of claim 17, wherein the change in respiratory effort is a first change in respiratory effort, and wherein the one or more processors are further configured to:
after administration of a drug to the patient, detect a frequency modulation of a third plurality of R-waves from a third portion of the ECG signal,
compare a frequency modulation of a second plurality of R-waves from the second portion of the ECG signal with the frequency modulation of the third plurality of R-waves from the third portion of the ECG signal based at least in part on detecting the frequency modulation of the third plurality of R-waves, and
determine a second change in respiratory effort of the patient based at least in part on the comparison of the frequency modulation of the second plurality of R-waves from the second portion of the ECG signal with the frequency modulation of the third plurality of R-waves from the third portion.