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  1. This study evaluated the effects of stroke on regulation of cerebral blood flow in response to fluctuations in systemic blood pressure (BP). The autoregulatory dynamics are difficult to assess because of the n...

    Authors: Vera Novak, Albert CC Yang, Lukas Lepicovsky, Ary L Goldberger, Lewis A Lipsitz and Chung-Kang Peng

    Citation: BioMedical Engineering OnLine 2004 3:39

    Content type: Research

    Published on:

  2. The autonomic nervous system (ANS) plays an important role in the genesis and maintenance of atrial fibrillation (AF), but quantification of its electrophysiologic effects is extremely complex and difficult. A...

    Authors: Luca T Mainardi, Valentina DA Corino, Leonida Lombardi, Claudio Tondo, Massimo Mantica, Federico Lombardi and Sergio Cerutti

    Citation: BioMedical Engineering OnLine 2004 3:37

    Content type: Research

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  3. Multivariate imaging techniques such as dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) have been shown to provide valuable information for medical diagnosis. Even though these techniques provid...

    Authors: Thorsten Twellmann, Axel Saalbach, Olaf Gerstung, Martin O Leach and Tim W Nattkemper

    Citation: BioMedical Engineering OnLine 2004 3:35

    Content type: Research

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  4. We reviewed articles using computational RF dosimetry to compare the Specific Anthropomorphic Mannequin (SAM) to anatomically correct models of the human head. Published conclusions based on such comparisons h...

    Authors: Brian B Beard and Wolfgang Kainz

    Citation: BioMedical Engineering OnLine 2004 3:34

    Content type: Review

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  5. Finite element method (FEM) analysis for intraoperative modeling of the left ventricle (LV) is presently not possible. Since 3D structural data of the LV is now obtainable using standard transesophageal echoca...

    Authors: Janko F Verhey and Nadia S Nathan

    Citation: BioMedical Engineering OnLine 2004 3:32

    Content type: Research

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  6. Many arrhythmias are triggered by abnormal electrical activity at the ionic channel and cell level, and then evolve spatio-temporally within the heart. To understand arrhythmias better and to diagnose them mor...

    Authors: Hao Zhu, Yan Sun, Gunaretnam Rajagopal, Adrian Mondry and Pawan Dhar

    Citation: BioMedical Engineering OnLine 2004 3:29

    Content type: Research

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  7. Analysis of heart rate variation (HRV) has become a popular noninvasive tool for assessing the activities of the autonomic nervous system (ANS). HRV analysis is based on the concept that fast fluctuations may ...

    Authors: Rajendra Acharya U, Kannathal N, Ong Wai Sing, Luk Yi Ping and TjiLeng Chua

    Citation: BioMedical Engineering OnLine 2004 3:24

    Content type: Research

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  8. The function of the common bile duct is to transport bile from the liver and the gall bladder to the duodenum. Since the bile duct is a distensible tube consisting mainly of connective tissue, it is important ...

    Authors: Birgitte U Duch, Helle Andersen and Hans Gregersen

    Citation: BioMedical Engineering OnLine 2004 3:23

    Content type: Research

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  9. Ivan Daskalov [1933–2004] was a friend who will be missed by many. Neither the quality of a man nor the concept of a friendship can be defined with words. We may only say that both will be missed.

    Authors: Alvin Wald

    Citation: BioMedical Engineering OnLine 2004 3:22

    Content type: Editorial

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  10. New technologies like echocardiography, color Doppler, CT, and MRI provide more direct and accurate evidence of heart disease than heart auscultation. However, these modalities are costly, large in size and op...

    Authors: Sotiris A Pavlopoulos, Antonis CH Stasis and Euripides N Loukis

    Citation: BioMedical Engineering OnLine 2004 3:21

    Content type: Research

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  11. Digital watermarking is a technique of hiding specific identification data for copyright authentication. This technique is adapted here for interleaving patient information with medical images, to reduce stora...

    Authors: Jagadish Nayak, P Subbanna Bhat, Rajendra Acharya U and Niranjan UC

    Citation: BioMedical Engineering OnLine 2004 3:17

    Content type: Research

    Published on:

  12. Blunt trauma causes short-term compression of some or all parts of the chest, abdomen or pelvis and changes hemodynamics of the blood. Short-term compression caused by trauma also results in a short-term decre...

    Authors: Rovshan M Ismailov, Nikolai A Shevchuk, Joseph Schwerha, Lawrence Keller and Higmat Khusanov

    Citation: BioMedical Engineering OnLine 2004 3:14

    Content type: Research

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  13. Functional magnetic resonance imaging (fMRI) is recently developing as imaging modality used for mapping hemodynamics of neuronal and motor event related tissue blood oxygen level dependence (BOLD) in terms of...

    Authors: Rakesh Sharma and Avdhesh Sharma

    Citation: BioMedical Engineering OnLine 2004 3:13

    Content type: Review

    Published on:

    The Retraction Note to this article has been published in BioMedical Engineering OnLine 2013 12:113

  14. Analytical imaging by secondary ion mass spectrometry (SIMS) provides images representative of the distribution of a specific ion within a sample surface. For the last fifteen years, concerted collaborative re...

    Authors: Jean-Luc Guerquin-Kern, François Hillion, Jean-Claude Madelmont, Pierre Labarre, Janine Papon and Alain Croisy

    Citation: BioMedical Engineering OnLine 2004 3:10

    Content type: Research

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  15. Calcium phosphate manufactured samples, prepared with hydroxyapatite, are used as either spacers or fillers in orthopedic surgery, but these implants have never been used under conditions of mechanical stress....

    Authors: Anna Rita Calafiori, Marcello Marotta, Alfonso Nastro and Guglielmo Martino

    Citation: BioMedical Engineering OnLine 2004 3:8

    Content type: Research

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  16. The EEG (Electroencephalogram) is a representative signal containing information about the condition of the brain. The shape of the wave may contain useful information about the state of the brain. However, th...

    Authors: Kannathal Natarajan, Rajendra Acharya U, Fadhilah Alias, Thelma Tiboleng and Sadasivan K Puthusserypady

    Citation: BioMedical Engineering OnLine 2004 3:7

    Content type: Research

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  17. We previously examined transverse propagation of action potentials between 2 and 3 parallel chain of cardiac muscle cells (CMC) simulated using the PSpice program. The present study was done to examine transve...

    Authors: Nicholas Sperelakis and Bijoy Kalloor

    Citation: BioMedical Engineering OnLine 2004 3:5

    Content type: Research

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  18. Detection of QRS complexes and other types of ventricular beats is a basic component of ECG analysis. Many algorithms have been proposed and used because of the waves' shape diversity. Detection in a single ch...

    Authors: Ivan A Dotsinsky and Todor V Stoyanov

    Citation: BioMedical Engineering OnLine 2004 3:3

    Content type: Research

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  19. Biometric methods are security technologies, which use human characteristics for personal identification. Iris recognition systems use iris textures as unique identifiers. This paper presents an analysis of th...

    Authors: Roberto Roizenblatt, Paulo Schor, Fabio Dante, Jaime Roizenblatt and Rubens Belfort Jr

    Citation: BioMedical Engineering OnLine 2004 3:2

    Content type: Research

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  20. The goal of this work was to determine wall shear stress (WSS) patterns in the human abdominal aorta and to compare these patterns to measurements of intimal thickness (IT) from autopsy samples.

    Authors: Michael Bonert, Richard L Leask, Jagdish Butany, C Ross Ethier, Jerry G Myers, K Wayne Johnston and Matadial Ojha

    Citation: BioMedical Engineering OnLine 2003 2:18

    Content type: Research

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  21. Powered robotic exoskeletons for assistance of human locomotion are currently under development for military and medical applications. The energy requirements for such devices are excessive, and this has becom...

    Authors: Antonie J van den Bogert

    Citation: BioMedical Engineering OnLine 2003 2:17

    Content type: Research

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  22. Medical implants and prostheses (artificial hips, tendono- and ligament plasties) usually are multi-component systems that may be machined from one of three material classes: metals, plastics and ceramics. Typ...

    Authors: Hans J Erli, Rudolf Marx, Othmar Paar, Fritz U Niethard, Michael Weber and Dieter C Wirtz

    Citation: BioMedical Engineering OnLine 2003 2:15

    Content type: Review

    Published on:

  23. The electroencephalogram (EEG) reflects the electrical activity in the brain on the surface of scalp. A major challenge in this field is the localization of sources in the brain responsible for eliciting the E...

    Authors: Kevin Whittingstall, Gerhard Stroink, Larry Gates, JF Connolly and Allen Finley

    Citation: BioMedical Engineering OnLine 2003 2:14

    Content type: Research

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  24. The purpose was to investigate mobile phone interference with implantable deep brain stimulators by means of 10 different 900 Mega Hertz (MHz) and 10 different 1800 MHz GSM (Global System for Mobile Communicat...

    Authors: Wolfgang Kainz, François Alesch and Dulciana Dias Chan

    Citation: BioMedical Engineering OnLine 2003 2:11

    Content type: Research

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  25. The hallmarks of age-related macular degeneration, the leading cause of blindness in the developed world, are the subretinal deposits known as drusen. Drusen identification and measurement play a key role in c...

    Authors: R Theodore Smith, Takayuki Nagasaki, Janet R Sparrow, Irene Barbazetto, Caroline CW Klaver and Jackie K Chan

    Citation: BioMedical Engineering OnLine 2003 2:10

    Content type: Research

    Published on: