Prof. Ján, jakus(at)jfmed.uniba.sk

Interaction of Electric and Magnetic Fields With a Human Body

Author: Ján Jakuš

Electricity. Electric Units. Types of Electric Currents. Human Body and Electricity. Impedance, Resistance and Reactance. Biological Effects of Electric Currents on Human Body. Stimulatory Currents in Medicine. Methods of Electric Stimulation with AC Currents. Methods of Electric Stimulation with DC Current. Heart Pacemaker. II. Electrolytic Effect. Methods that use Electrolytic Effect of DC Current. III. Thermal Effect. Magnetic Fields. Patient Protection Against Electric Shock –Basic Rules.

 

Biophysics of heart and circulation

Author: Ján Jakuš

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Heart as a source of biopotentials. Heart as a pump. Blood flow in vessels.

Anatomy of Heart. Hearth - Source of Electric Biopotentials. Action Potential of Sinoatrial Node and Prepotential. Spreading of Electric Depolarisation in Heart. Heart as a Pump.  Dynamic of Heart. Blood Pressures in Heart. Elasticity of aorta and arteries. Blood Circulation. Blood flow - types.  Types of Blood pressures. Measurement of BP. Filtration at Capillary Loop.
 

Biophysics of Breathing

Author: Ján Jakuš

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Anatomy of Breathing. External and Internal Breathing. Respiratory and Cardiovascular Relationships.  Ventilation - the role of respiratory muscles. Ventilation - types (in adults). Origine of Breathing. Mechanics of breathing. The Lung Volumes.The Lung Capacities. Morphology of Alveoli and Capillaries (Coupling of respiratorz and Cardiovascular System). Diffusion through the alveolo - capillary membrane. Dynamics of Diffusion.

Biophysics of perception, receptors, vision

Author: Ján Jakuš

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Sensory perception. Reflex arc. Local response and Action potencial. Coding of sensory information on Paccinian Corpuscle (a skin receptor for touch and pressure). Coding of Stimulus on paccinian corpuscle. Receptors - Definition and properties. Receptors - Classification. The Flight Reflex. Laws of Sensory Perception. The Law of Adaptation. Receptor Adaptation. Biophysics of Vision. Anatomy of the Eye. Scheme of the Eye. Vitreous body. Retinal Background. COLOR VISION (HELMHOLTZ -YUANG THEORY of Color Vision). MYOPIA (Nearsightedness). Hyperopia - Farsightedness. PRESBYOPIA - OLDSIGHTEDNEES. Refraction Failures - scheme.

Biophysics of hearing

Author: Ján Jakuš

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Ear - anatomy. Composition of Inner Ear. Organ of Corti - composition. Mechanism of hearing.