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ANALYSIS OF ULTRASOUND FIELD PARAMETERS DURING SONICATION EXPERIMENTS <i>IN VITRO</i> - INFLUENCE OF LABORATORY GLASS AND PLASTICS

ANALYSIS OF ULTRASOUND FIELD PARAMETERS DURING SONICATION EXPERIMENTS IN VITRO - INFLUENCE OF LABORATORY GLASS AND PLASTICS

Introduction Ultrasound is defined as mechanical waves of frequency above 20 kHz. It has been used as a powerful medical imaging technique for more than 40 years. In the past...

Celý článek   Lékař a technika Číslo: 4/2017

Specializace: biomedicína
SENSITIVITY OF AUDITORY PERCEPTION TO CHANGES IN PHASE SPECTRUM

SENSITIVITY OF AUDITORY PERCEPTION TO CHANGES IN PHASE SPECTRUM

Introduction The sound phase spectrum was considered not very significant for human auditory perception for many years. The human ear was already designated phase deaf in 1845...

Celý článek   Lékař a technika Číslo: 4/2017

Specializace: biomedicína
CHARACTERIZATION OF THE BIAS BETWEEN OXYGEN SATURATION MEASURED BY PULSE OXIMETRY AND CALCULATED BY AN ARTERIAL BLOOD GAS ANALYZER  IN CRITCALLY ILL NEONATES

CHARACTERIZATION OF THE BIAS BETWEEN OXYGEN SATURATION MEASURED BY PULSE OXIMETRY AND CALCULATED BY AN ARTERIAL BLOOD GAS ANALYZER IN CRITCALLY ILL NEONATES

Background Use of the noninvasive pulse oximeter (SpO2) in medicine is ubiquitous. Continuous monitoring of SpO2 to manage oxygenation is the standard of care in neonatal...

Celý článek   Lékař a technika Číslo: 4/2017

Specializace: biomedicína
PAIN AND STRESS MEASUREMENT DURING GENERAL ANESTHESIA USING THE RESPIRATORY SINUS ARRHYTHMIA

PAIN AND STRESS MEASUREMENT DURING GENERAL ANESTHESIA USING THE RESPIRATORY SINUS ARRHYTHMIA

Introduction Several approaches towards the measurement of pain have been proposed in the past. The span reaches from statistic-, model-, or physiology-based algorithms towards...

Celý článek   Lékař a technika Číslo: 4/2017

Specializace: biomedicína
QUANTIFYING CARDIORESPIRATORY THORAX MOVEMENT WITH MOTION CAPTURE AND DECONVOLUTION

QUANTIFYING CARDIORESPIRATORY THORAX MOVEMENT WITH MOTION CAPTURE AND DECONVOLUTION

Introduction Ambient and unobtrusive cardiorespiratory sensing techniques form an increasing subfield within biomedical engineering [1]. Sensor principles range from camera...

Celý článek   Lékař a technika Číslo: 4/2017

Specializace: biomedicína
RELIABILITY AND SOURCE OF ERRORS IN END-TIDAL GAS CONCENTRATION EVALUATION ALGORITHMS DURING AVALANCHE SNOW AND REBREATHING EXPERIMENTS

RELIABILITY AND SOURCE OF ERRORS IN END-TIDAL GAS CONCENTRATION EVALUATION ALGORITHMS DURING AVALANCHE SNOW AND REBREATHING EXPERIMENTS

Introduction As avalanche burials represent one of the most dangerous risks associated with winter activities in the mountains, research of survival circumstances and...

Celý článek   Lékař a technika Číslo: 3/2017

Specializace: biomedicína
DESIGN OF AN EXPERIMENTAL LASER SPECKLE CONTRAST IMAGING SYSTEM AND IMAGE

DESIGN OF AN EXPERIMENTAL LASER SPECKLE CONTRAST IMAGING SYSTEM AND IMAGE

Introduction Blood flow mapping is an important part of the diagnostics procedure. Usually, Doppler-based methods are widely used [1]. These methods are using reflected wave...

Celý článek   Lékař a technika Číslo: 3/2017

Specializace: biomedicína
DEVELOPMENT OF NEW TECHNIQUE FOR ACCURATE WEAR ANALYSIS OF EXPLANTED TOTAL HIP REPLACEMENTS

DEVELOPMENT OF NEW TECHNIQUE FOR ACCURATE WEAR ANALYSIS OF EXPLANTED TOTAL HIP REPLACEMENTS

Introduction Hip prostheses are an indispensable tool for minimize pain and restoring function for patients suffering from disorders of the musculoskeletal system. With...

Celý článek   Lékař a technika Číslo: 3/2017

Specializace: biomedicína
DETERMINATION OF THE GEOMETRICAL AND VISCOELASTIC PROPERTIES OF SCAFFOLDS MADE BY ADdITIVE MANUFACTURING USING BIOPLOTTER

DETERMINATION OF THE GEOMETRICAL AND VISCOELASTIC PROPERTIES OF SCAFFOLDS MADE BY ADdITIVE MANUFACTURING USING BIOPLOTTER

Introduction Understanding principles of physics, electronics, mechanics, engineering of materials as well as understanding the reactions of the human body of foreign materials...

Celý článek   Lékař a technika Číslo: 3/2017

Specializace: biomedicína
METHODS FOR AUTOMATIC ESTIMATION OF THE NUMBER OF CLUSTERS FOR K-MEANS ALGORITHM USED ON EEG SIGNAL: FEASIBILITY STUDY

METHODS FOR AUTOMATIC ESTIMATION OF THE NUMBER OF CLUSTERS FOR K-MEANS ALGORITHM USED ON EEG SIGNAL: FEASIBILITY STUDY

Introduction Electroencephalogram (EEG) is a record of changes of electric potentials from the scalp in time that we measure for detection of some diseases and physiological...

Celý článek   Lékař a technika Číslo: 3/2017

Specializace: biomedicína
 
 
 
 
 
 

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