Interpretation of the HJ interval of the normal ballistocardiogram based on the principle of conservation of momentum and aortic ultrasonic Doppler velocity measurements during left ventricular ejection
The principle of conservation of momentum and the observation that blood acceleration in the ascending aorta is approximately constant during ventricular ejection was applied to develop a new interpretation of the HI and IJ intervals of the normal ballistocardiogram. The results indicate that the ac...
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| Veröffentlicht in: | Cardiovascular research 1988-08, Vol.22 (8), p.571-574 |
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| container_title | Cardiovascular research |
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| creator | SEITZ, W S McILROY, M B |
| description | The principle of conservation of momentum and the observation that blood acceleration in the ascending aorta is approximately constant during ventricular ejection was applied to develop a new interpretation of the HI and IJ intervals of the normal ballistocardiogram. The results indicate that the acceleration (A), velocity (V), and displacement (D) of the ballistocardiogram in the HI and IJ phases may be expresed by a set of equations which, when evaluated numerically, give theoretical acceleration, velocity, and displacement curves. The theoretical A, V, and D curves corresponded closely to those observed on the normal ballistocardiogram record during the HJ interval. |
| doi_str_mv | 10.1093/cvr/22.8.571 |
| format | Article |
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The results indicate that the acceleration (A), velocity (V), and displacement (D) of the ballistocardiogram in the HI and IJ phases may be expresed by a set of equations which, when evaluated numerically, give theoretical acceleration, velocity, and displacement curves. The theoretical A, V, and D curves corresponded closely to those observed on the normal ballistocardiogram record during the HJ interval.</description><identifier>ISSN: 0008-6363</identifier><identifier>EISSN: 1755-3245</identifier><identifier>DOI: 10.1093/cvr/22.8.571</identifier><identifier>PMID: 3073865</identifier><language>eng</language><publisher>England: Oxford University Press</publisher><subject>Aorta - physiology ; Ballistocardiography ; Blood Flow Velocity ; Doppler ultrasound ; ejection time ; Humans ; Mathematics ; Ultrasonography ; Ventricular Function ; ventricular mechanics</subject><ispartof>Cardiovascular research, 1988-08, Vol.22 (8), p.571-574</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c394t-4b00b42d9c7cb60bc55a1748ee5433fd9af6d6e4b1c8c569b627545cc3d4d8fd3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/3073865$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>SEITZ, W S</creatorcontrib><creatorcontrib>McILROY, M B</creatorcontrib><title>Interpretation of the HJ interval of the normal ballistocardiogram based on the principle of conservation of momentum and aortic ultrasonic Doppler velocity measurements during left ventricular ejection</title><title>Cardiovascular research</title><addtitle>Cardiovasc Res</addtitle><description>The principle of conservation of momentum and the observation that blood acceleration in the ascending aorta is approximately constant during ventricular ejection was applied to develop a new interpretation of the HI and IJ intervals of the normal ballistocardiogram. The results indicate that the acceleration (A), velocity (V), and displacement (D) of the ballistocardiogram in the HI and IJ phases may be expresed by a set of equations which, when evaluated numerically, give theoretical acceleration, velocity, and displacement curves. The theoretical A, V, and D curves corresponded closely to those observed on the normal ballistocardiogram record during the HJ interval.</description><subject>Aorta - physiology</subject><subject>Ballistocardiography</subject><subject>Blood Flow Velocity</subject><subject>Doppler ultrasound</subject><subject>ejection time</subject><subject>Humans</subject><subject>Mathematics</subject><subject>Ultrasonography</subject><subject>Ventricular Function</subject><subject>ventricular mechanics</subject><issn>0008-6363</issn><issn>1755-3245</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1988</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kc1u1DAUhS0EKtPCji2SV6zI1I7_kiWaQqeoEgtAQmwsx74pKU4cbGdEX5GnwtFMu7J9z3eOpXsQekPJlpKWXdpDvKzrbbMVij5DG6qEqFjNxXO0IYQ0lWSSvUTnKd2XpxCKn6EzRhRrpNigfzdThjhHyCYPYcKhx_kX4P1nPKzCwfjH0RTiWF6d8X5IOVgT3RDuohnLKIHDxbxicxwmO8weVp8NU1pDHqPHMMKUlxGbyWETYh4sXnyOJoWpXK_CXIwRH8AHO-QHPIJJS4TVlLBbSvQd9tDnQkw5DnbxJmK4B7t-8Aq96I1P8Pp0XqDvnz5-2-2r2y_XN7sPt5VlLc8V7wjpeO1aq2wnSWeFMFTxBkBwxnrXml46CbyjtrFCtp2sleDCWua4a3rHLtC7Y-4cw58FUtbjkCx4byYIS9KqUZwTKQv4_gjaGFKK0OuynNHEB02JXqvTpTpd17rRpbqCvz3lLt0I7gk-dVX06qiX9cPfJ9nE31oqpoTe__ipr8RX2u4aqin7D2CBqw8</recordid><startdate>19880801</startdate><enddate>19880801</enddate><creator>SEITZ, W S</creator><creator>McILROY, M B</creator><general>Oxford University Press</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19880801</creationdate><title>Interpretation of the HJ interval of the normal ballistocardiogram based on the principle of conservation of momentum and aortic ultrasonic Doppler velocity measurements during left ventricular ejection</title><author>SEITZ, W S ; McILROY, M B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c394t-4b00b42d9c7cb60bc55a1748ee5433fd9af6d6e4b1c8c569b627545cc3d4d8fd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1988</creationdate><topic>Aorta - physiology</topic><topic>Ballistocardiography</topic><topic>Blood Flow Velocity</topic><topic>Doppler ultrasound</topic><topic>ejection time</topic><topic>Humans</topic><topic>Mathematics</topic><topic>Ultrasonography</topic><topic>Ventricular Function</topic><topic>ventricular mechanics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SEITZ, W S</creatorcontrib><creatorcontrib>McILROY, M B</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Cardiovascular research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SEITZ, W S</au><au>McILROY, M B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interpretation of the HJ interval of the normal ballistocardiogram based on the principle of conservation of momentum and aortic ultrasonic Doppler velocity measurements during left ventricular ejection</atitle><jtitle>Cardiovascular research</jtitle><addtitle>Cardiovasc Res</addtitle><date>1988-08-01</date><risdate>1988</risdate><volume>22</volume><issue>8</issue><spage>571</spage><epage>574</epage><pages>571-574</pages><issn>0008-6363</issn><eissn>1755-3245</eissn><abstract>The principle of conservation of momentum and the observation that blood acceleration in the ascending aorta is approximately constant during ventricular ejection was applied to develop a new interpretation of the HI and IJ intervals of the normal ballistocardiogram. The results indicate that the acceleration (A), velocity (V), and displacement (D) of the ballistocardiogram in the HI and IJ phases may be expresed by a set of equations which, when evaluated numerically, give theoretical acceleration, velocity, and displacement curves. The theoretical A, V, and D curves corresponded closely to those observed on the normal ballistocardiogram record during the HJ interval.</abstract><cop>England</cop><pub>Oxford University Press</pub><pmid>3073865</pmid><doi>10.1093/cvr/22.8.571</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Cardiovascular research, 1988-08, Vol.22 (8), p.571-574 |
| issn | 0008-6363 1755-3245 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_78744066 |
| source | MEDLINE; Oxford University Press Journals Digital Archive Legacy |
| subjects | Aorta - physiology Ballistocardiography Blood Flow Velocity Doppler ultrasound ejection time Humans Mathematics Ultrasonography Ventricular Function ventricular mechanics |
| title | Interpretation of the HJ interval of the normal ballistocardiogram based on the principle of conservation of momentum and aortic ultrasonic Doppler velocity measurements during left ventricular ejection |
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