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The following topics are dealt with: biomedical engineering; electrocardiography; biomedical imaging; medical image processing; biomedical ultrasonics; mammography; medical signal processing; electromyography; and human movement studies.
Patients with heart disease suffer much to have diagnostic ECG sessions especially in rural areas and areas with high population. This is mainly due to the remoteness of distance between patients and the medical units, as well as traffic congestion. Doctors also need a fast and reliable way to be able to check on their patients and provide a diagnosis irrespective of where they are. In this paper...
In this study the effects of a realistic head geometry and coil position on the spatial distribution of induced electric field, under TMS, have been investigated using statistical modalities such as RDM, MAG and CC. It has also been observed that the secondary electric field, caused by the asymmetry of the geometry, leads to a dramatic drop in E-field magnitude, deviation in field focality and accelerates...
A novel hybrid and repetitive smoothing-sharpening (HRSST) technique is proposed and its impact is assessed to beneficially enhance sonogram and mammogram images. The technique aims to gain and combine the advantages of both the sharpening process that aims to highlight sudden changes in the image intensity, with the advantages of iterative image smoothing, which is usually applied to remove random...
Two issues are presented. 1, A philosophical perspective on the development of computationally-based representation, modeling, control and animation of human movement; and 2, the role played by rigid body dynamics. The central nervous system (CNS) in humans is the most advanced and amazing natural system in existence. One needs all the tools; experimental, psycho-physical, developmental, neuroscience-based,...
Prediction of the amino acids that have a catalytic effect on the enzymes is a major stage in appointing the activity of the enzymes and classification. The biological activity of a protein usually depends on the existence of a small number of amino acids. Recently, many algorithms have been proposed in the literature for finding these amino acids which are complex and time consuming. In this paper,...
Poor posture or extra stress on the spine has been shown to lead to a variety of spinal disorders including chronic back pain, and to incur numerous health costs to society. For this reason, workplace ergonomics is rapidly becoming indispensable in all major corporations. Making the individual continuously aware of poor posture may reduce out-of-posture tendencies and encourage healthy spinal habits...
Design of low frequency high pass filters using pseudo resistors is discussed in this paper. The pseudo resistor, which is biased in the sub-threshold region, is capable of achieving very large value resistance while keeping silicon area very small. Designs of first and second order high pass filters with cut off frequency of 0.01 Hz are presented. This work discusses the challenges faced while designing...
Multi-electrode array devices are widely considered for sensing a large amount of neural data in implantable applications. In such systems power and area are playing most important roll in design and implementation. This paper presents a low power, variable bits and small area analog to digital converter (ADC) for biopotential and neural signals-recording applications. This work has been simulated...
The IAEA - UAE Project on Patient Radiation Protection aimed at evaluating radiation dose levels received by patients during radiological examinations. In this paper, we are presenting the preliminary results of patient doses in Computed Tomography (CT) examinations at 4 UAE hospitals (3 major governmental hospitals and 1 private). Five Multi-slice CT (MSCT) systems (4S, 16S and 64S) were included...
Patients with congestive heart failure (CHF)] have neurologic complications, and decreased pulmonary flow. This will lead to having nonstationary ECG signal and also its heart rate variability (HRV) signal. In this work, we used the empirical mode decomposition (EMD) to develop a strategy to identify the relevant intrinsic mode functions (IMFs) for classification. The data set includes long-term record...
Noninvasive transdermal delivery of insulin is suggested in this paper using ultrasound transducers to improve the quality of life of diabetic patients. It is a preferable technique over the traditional invasive and painful subcutaneous insulin injections. Ten piston-shaped ultrasound transducers operating in the mid frequency range (100-200 kHz) were housed to include a reservoir that intended to...
Iontophoresis relies on active transportation of the charged medication agent within an electric field and delivers medication transdermally. It uses electric current to ionize drug molecules and propel them through the skin. It is a kind of transdermal drug delivery method, and hence the method has to handle the variability in skin characteristics of a patient. In this paper, a preliminary study...
Ultrasound imaging is a widely used and safe medical diagnostic technique; however, the usefulness of ultrasound imaging is degraded by the presence of signal dependant noise known as speckle. In this paper, we propose a new speckle reduction method and coherence enhancement of ultrasound images based on method that combines total variation (TV) method and wavelet shrinkage. In our method, a noisy...
We propose in this paper automatic algorithm for early planocellular lung cancer detection in lung X ray images. Considering the fact that lung cancer is one of the most lethal cancers and that it is usually diagnosed too late, the solution is to attempt early diagnosis at general practitioners level, using cheapest diagnostic tools, chest radiography. The proposed algorithm determines and segments...
We successfully engineered Si nano-columns with different cross-sectional geometries by e-beam evaporation with an angle between source and substrate. The Si nano-columns were grown as pillars with square, triangle and linear cross sections in in-plane. Mesenchymal stem cells (MSCs) isolated from the bone marrow stroma of young adult rats were cultured on these different Si nanosurfaces. We found...
Although telemedicine or telehealth can potentially affect all medical specialties, the greatest current applications are found in radiology, pathology, cardiology and medical education. This paper is arranged in such a manner as to follow a patient's cardiac signal from its initial detection by the ECG amplifier, its progression through the various subsystems of figure below, and ultimately culminating...
The most important parts of our Biotelemetry system is a hardware platform. If we could develop visualization, we must have to measure real data. They are two main choices to solve this part of system. We can use commercial devices, such as embedded PCs, PDAs and wireless ECG unit Blue ECG communicating via Bluetooth. Suggests major problems and disadvantages of their use and offers possible solutions...
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