+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + NASA Center + Publication Year + Subject + Availability Options + Item/Media Type Selected Navigations: Author > Mark, R. G. [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 17 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order 1 2 Next  Engineering studies of vectorcardiographs in blood pressure measuring systems, appendix 2 Author(s): Mark, R. G. Abstract: The development of a cardiovascular monitoring system to noninvasively monitor the blood pressure and heart rate using pulse wave velocity was described. The following topics were covered: (1) pulse wave velocity as a ... NASA Center: NASA (non Center Specific) Publication Year: 1975 Added to NTRS: 2008-07-01 Accession Number: 76N12697; Document ID: 19760005609; Report Number: NASA-CR-144557 Engineering studies of vectorcardiographs in blood pressure measuring systems Author(s): Mark, R. G. Abstract: The following projects involving cardiovascular instrumentation were conducted: (1) the development and fabrication of a three-dimensional display measurement system for vectorcardiograms, (2) the development and fabrication ... NASA Center: NASA (non Center Specific) Publication Year: 1975 Added to NTRS: 2008-07-01 Accession Number: 76N12696; Document ID: 19760005608; Report Number: NASA-CR-144555 Engineering studies of vectorcardiographs in blood pressure measuring systems, appendix 1 Author(s): Mark, R. G. Abstract: A small, portable, relatively inexpensive computer system was developed for on-line use in clinical or laboratory situations. The system features an integrated hardware-software package that permits use of all peripherals, ... NASA Center: NASA (non Center Specific) Publication Year: 1975 Added to NTRS: 2008-07-01 Accession Number: 76N12699; Document ID: 19760005611; Report Number: NASA-CR-144556 Engineering studies of vectorcardiographs in blood pressure measuring systems, appendix 3 Author(s): Mark, R. G. Abstract: The following subjects were covered: (1) ASM80 manual, (2) signal preprocessing as an aid to on-line EKG analysis, and (3) high speed evaluation of magnetic tape recordings of electrocardiograms. A description of the ASM80 ... NASA Center: NASA (non Center Specific) Publication Year: 1975 Added to NTRS: 2008-07-01 Accession Number: 76N12698; Document ID: 19760005610; Report Number: NASA-CR-144558 Communications biophysics - The temporal structural of electrophysiological data, 16 March 1970 Quarterly status report, 1 Dec. 1969 - 28 Feb. 1970 Author(s): Burns, S. K.; Mark, R. G. Abstract: Data acquisition instrumentation for heartbeat display in electrocardiogram NASA Center: NASA (non Center Specific) Publication Year: 1970 Added to NTRS: 2007-10-23 Accession Number: 70N25189; Document ID: 19700015884; Report Number: NASA-CR-109407 Acoustically evoked potentials in the rat during conditioning Author(s): Hall, R. D.; Mark, R. G. Abstract: Acoustically evoked potential in rat during conditioning NASA Center: NASA (non Center Specific) Publication Year: 1966 Added to NTRS: 2006-11-06 Accession Number: 67N21708; Document ID: 19670012379; Report Number: AD-644853, NASA-CR-83248, TR-455 Acoustically evoked potentials in the rat during conditioning Author(s): Hall, R. D.; Mark, R. G. Abstract: Changes in acoustically evoked potentials during adverse conditioning of rats NASA Center: NASA (non Center Specific) Publication Year: 1966 Added to NTRS: 2006-11-06 Accession Number: 67N15933; Document ID: 19670006604; Report Number: NASA-CR-81247, TR-455 A device for the partial restraint of rats in operant conditioning studies. Author(s): Clayton, R. J.; Hall, R. D.; Mark, R. G. Abstract: Partial restraining device for rats in operant conditioning studies NASA Center: NASA (non Center Specific) Publication Year: 1966 Added to NTRS: 2006-11-06 Accession Number: 66A38419; Document ID: 19660059129 Do nonlinearities play a significant role in short term, beat-to-beat variability Author(s): Choi, H. G.; Mukkamala, R.; Moody, G. B.; Mark, R. G. Abstract: Numerous studies of short-term beat-to-beat variability in cardiovascular signals have not resolved the debate about the completeness of linear analysis techniques. This aim of this paper is to evaluate further the role of ... NASA Center: Johnson Space Center Publication Year: 2001 Added to NTRS: 2006-08-02 Document ID: 20040087464 MIMIC II: a massive temporal ICU patient database to support research in intelligent patient monitoring Author(s): Saeed, M.; Lieu, C.; Raber, G.; Mark, R. G. Abstract: Development and evaluation of Intensive Care Unit (ICU) decision-support systems would be greatly facilitated by the availability of a large-scale ICU patient database. Following our previous efforts with the MIMIC ... NASA Center: Johnson Space Center Publication Year: 2002 Added to NTRS: 2006-08-02 Document ID: 20040087422 1 2 Next  + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007