A wearable vital signs monitor at the ear for continuous heart rate and Pulse Transit Time measurements
A continuous, wearable and wireless vital signs monitor at the ear is demonstrated. The device has the form factor of a hearing aid and is wirelessly connected to a PC for data recording and analysis. The device monitors the electrocardiogram (ECG) in a single lead configuration, the ballistocardiog...
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| Veröffentlicht in: | 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society 2012-01, Vol.2012, p.2724-2727 |
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| container_title | 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society |
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| creator | Winokur, E. S. He, D. D. Sodini, C. G. |
| description | A continuous, wearable and wireless vital signs monitor at the ear is demonstrated. The device has the form factor of a hearing aid and is wirelessly connected to a PC for data recording and analysis. The device monitors the electrocardiogram (ECG) in a single lead configuration, the ballistocardiogram (BCG) with a MEMS triaxial accelerometer, and the photoplethysmograms (PPG) with 660nm and 940nm LED sources and a static photocurrent subtraction analog front end. Clinical tests are conducted, including Valsalva and head-up tilt maneuvers. Peak timing intervals between the ECG, BCG and PPG are extracted and are shown to relate to pre-ejection period and mean arterial blood pressure (MAP). Pulse Transit Time (PTT) extracted from cross-correlation between the PPG and BCG shows improved results compared to the pulse arrival time (PAT) method for tracking changes in MAP. |
| doi_str_mv | 10.1109/EMBC.2012.6346527 |
| format | Article |
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S.</creatorcontrib><creatorcontrib>He, D. D.</creatorcontrib><creatorcontrib>Sodini, C. G.</creatorcontrib><title>A wearable vital signs monitor at the ear for continuous heart rate and Pulse Transit Time measurements</title><title>2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society</title><addtitle>EMBC</addtitle><addtitle>Annu Int Conf IEEE Eng Med Biol Soc</addtitle><description>A continuous, wearable and wireless vital signs monitor at the ear is demonstrated. The device has the form factor of a hearing aid and is wirelessly connected to a PC for data recording and analysis. The device monitors the electrocardiogram (ECG) in a single lead configuration, the ballistocardiogram (BCG) with a MEMS triaxial accelerometer, and the photoplethysmograms (PPG) with 660nm and 940nm LED sources and a static photocurrent subtraction analog front end. Clinical tests are conducted, including Valsalva and head-up tilt maneuvers. Peak timing intervals between the ECG, BCG and PPG are extracted and are shown to relate to pre-ejection period and mean arterial blood pressure (MAP). Pulse Transit Time (PTT) extracted from cross-correlation between the PPG and BCG shows improved results compared to the pulse arrival time (PAT) method for tracking changes in MAP.</description><subject>Algorithms</subject><subject>Ballistocardiography</subject><subject>Biomedical monitoring</subject><subject>Blood Pressure - physiology</subject><subject>Ear</subject><subject>Electrocardiography</subject><subject>Heart</subject><subject>Heart Rate - physiology</subject><subject>Humans</subject><subject>Light emitting diodes</subject><subject>Monitoring</subject><subject>Monitoring, Physiologic - methods</subject><subject>Photoconductivity</subject><subject>Photoplethysmography</subject><issn>1094-687X</issn><issn>1557-170X</issn><issn>1558-4615</issn><issn>2694-0604</issn><isbn>1424441196</isbn><isbn>9781424441198</isbn><isbn>9781457717871</isbn><isbn>1457717875</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><sourceid>EIF</sourceid><recordid>eNpVkdtKw0AQhtcTVmsfQATZF0jdSfZ4I9RSD6DoRQXvwiaZtCtNUrIbxbd3wQO6N8PO_80_zAwhp8CmAMxcLB6u5tOUQTqVGZciVTtkYpQGLpQCpRXskiMQQidcgtgjx8BTzjmAkftRYIYnUquXEZl4_8ri06Azxg_JKM0yKbnWR2Q1o-9oe1tskL65YDfUu1XradO1LnQ9tYGGNdKI0Dp-y64Nrh26wdN1zAXa24DUthV9GjYe6bK3rXeBLl2DtEHrhx4bbIM_IQe1jcTkO47J8_ViOb9N7h9v7uaz-8TFAUNSiYpLJU0qNJNSF1WpEHWhlS6sgRSEEjVHMCVWTNRlyRkwpipem0LwDGQ2JpdfvtuhaLAqY-_ebvJt7xrbf-Sddfl_pXXrfNW95TwzQoCJBud_DX4rf1YWgbMvwCHir_x9oOwTW2R-9A</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Winokur, E. S.</creator><creator>He, D. D.</creator><creator>Sodini, C. G.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>5PM</scope></search><sort><creationdate>20120101</creationdate><title>A wearable vital signs monitor at the ear for continuous heart rate and Pulse Transit Time measurements</title><author>Winokur, E. S. ; He, D. D. ; Sodini, C. G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i465t-d5d467692580668bdc7ee8b878ba9121575f4e19ced05fcc401007d4f9b543163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Algorithms</topic><topic>Ballistocardiography</topic><topic>Biomedical monitoring</topic><topic>Blood Pressure - physiology</topic><topic>Ear</topic><topic>Electrocardiography</topic><topic>Heart</topic><topic>Heart Rate - physiology</topic><topic>Humans</topic><topic>Light emitting diodes</topic><topic>Monitoring</topic><topic>Monitoring, Physiologic - methods</topic><topic>Photoconductivity</topic><topic>Photoplethysmography</topic><toplevel>online_resources</toplevel><creatorcontrib>Winokur, E. S.</creatorcontrib><creatorcontrib>He, D. D.</creatorcontrib><creatorcontrib>Sodini, C. G.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Winokur, E. S.</au><au>He, D. D.</au><au>Sodini, C. G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A wearable vital signs monitor at the ear for continuous heart rate and Pulse Transit Time measurements</atitle><jtitle>2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society</jtitle><stitle>EMBC</stitle><addtitle>Annu Int Conf IEEE Eng Med Biol Soc</addtitle><date>2012-01-01</date><risdate>2012</risdate><volume>2012</volume><spage>2724</spage><epage>2727</epage><pages>2724-2727</pages><issn>1094-687X</issn><issn>1557-170X</issn><eissn>1558-4615</eissn><eissn>2694-0604</eissn><isbn>1424441196</isbn><isbn>9781424441198</isbn><eisbn>9781457717871</eisbn><eisbn>1457717875</eisbn><abstract>A continuous, wearable and wireless vital signs monitor at the ear is demonstrated. The device has the form factor of a hearing aid and is wirelessly connected to a PC for data recording and analysis. The device monitors the electrocardiogram (ECG) in a single lead configuration, the ballistocardiogram (BCG) with a MEMS triaxial accelerometer, and the photoplethysmograms (PPG) with 660nm and 940nm LED sources and a static photocurrent subtraction analog front end. Clinical tests are conducted, including Valsalva and head-up tilt maneuvers. Peak timing intervals between the ECG, BCG and PPG are extracted and are shown to relate to pre-ejection period and mean arterial blood pressure (MAP). Pulse Transit Time (PTT) extracted from cross-correlation between the PPG and BCG shows improved results compared to the pulse arrival time (PAT) method for tracking changes in MAP.</abstract><cop>United States</cop><pub>IEEE</pub><pmid>23366488</pmid><doi>10.1109/EMBC.2012.6346527</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 1094-687X |
| ispartof | 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012-01, Vol.2012, p.2724-2727 |
| issn | 1094-687X 1557-170X 1558-4615 2694-0604 |
| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Algorithms Ballistocardiography Biomedical monitoring Blood Pressure - physiology Ear Electrocardiography Heart Heart Rate - physiology Humans Light emitting diodes Monitoring Monitoring, Physiologic - methods Photoconductivity Photoplethysmography |
| title | A wearable vital signs monitor at the ear for continuous heart rate and Pulse Transit Time measurements |
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