Date of Completion

Spring 5-14-2020

Thesis Advisor(s)

Insoo Kim; Patrick Kumavor

Honors Major

Biomedical Engineering


Biomedical Devices and Instrumentation | Biomedical Engineering and Bioengineering | Engineering


Orthostatic hypotension may be described as an inevitable response from the body in the form of a drop in blood pressure after changing positions. This quick drop in blood pressure can cause a syncopal episode, often injuring victims. There are limitations in the currently used cuff-type blood pressure sensor, which is used in healthcare settings, in that it does not continuously measure blood pressure. This research project developed a wearable device that measures heart rate variability (HRV) to detect changes in blood pressure using the correlation between the two measurements. The instrumentation was developed and included a commercially available pulse oximetry sensor (MAX30101, Maxim Integrated, CA), which collected data used to calculate heart rate and HRV. A study was conducted as a series of head-tilt table tests to monitor changes in blood pressure and correlate this with HRV.