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Anaesthesiology and Intensive Care Medicine (0)
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Biophysics (7)
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Selected chapters from orthopaedics

The educational contribution introduces the selected chapters from orthopaedics, namely arthroscopy, low back pain, treatment of bone tumour pain, spinal cord compression, surgery for back pain, osteoporosis, scoliosis, spine deformities, and spine trauma. The material provides the basic and essential knowledge required to pass the examination.

 
author: Richard Chaloupka | LF MU | discipline: Surgery, Traumatology and Orthopaedics | category: Multimedia, Presentations | keywords: Arthroscopy, Low back pain, Treatment of bone tumour pain, Spinal cord compression, Surgery for back pain, Osteoporosis, Scoliosis, spine deformities, Spine trauma | attachment: 8 | viewed: 2536x | published on: 13.5.2016 | last modified on: 4.12.2018

New trends in the therapy of bronchial asthma and COPD

Slides from lecture about new trends in the therapy of bronchial asthma and chronic obstructive pulmonary disease - clinical pharmacology. The lecture is divided into three sections - 1) basic differences between BA and COPD, 2) their classification with current therapeutic plans, and 3) new therapeutic targets in therapy of BA and COPD.

 

EPIBULBAR LESIONS

Epibulbar lesions are formed particularly in the conjunctiva and cornea. These lesions are classified into two distinct types that include pigmented and non-pigmented epibulbar lesions. The pigmented epibulbar lesions are those lesions that have pigments while the non-pigmented lesions are those that are translucent or transparent due to the absence of the pigments.         

 

 
author: Alena Furdová, Alsalman Ali Jameel, Silvia Lea Ferková | LF UK v Bratislave | discipline: Ophthalmology and Optometry, Oncology, Radiation Therapy | category: Educational works, Presentations | keywords: epibulbar tumor, papiloma, nevus, melanoma, carcinoma | attachment: 1 | viewed: 4334x | published on: 23.5.2014

Biophysics Of Action Potential & Synapse

Depolarization, repolarization, hyperpolarization, action potential – the shape, mechanisms, refractory periods, propagation of action potential (continual spreading, saltatory conduction), electrical stimulation – rheobase, chronaxy, graded potential, synapse, neurotransmitter, mechanisms of transmission receptors (ionotropic vs. metabotropic), EPSP, IPSP, summation (temporal, spatial), convergence, divergence.

 
author: Ivan Poliaček, Ján Jakuš | JLF UK v Martine | discipline: Biophysics | category: Lectures, Presentations | keywords: synapse, action potential | attachment: 1 | viewed: 2629x | published on: 10.11.2010 | last modified on: 19.5.2011

Radioactivity and ionizing radiation

The aims of the lecture

atomic structure ionization ionization vs. excitation (low vs. high energy photon) production of ionizing radiation basic particles and their properties mechanisms of interaction basic units basics of the damage of biological material

 

 
author: Ivan Poliaček | JLF UK v Martine | discipline: Biophysics | category: Lectures, Presentations | keywords: radioactivity, ionizing radiation | attachment: 1 | viewed: 2906x | published on: 19.11.2008 | last modified on: 22.5.2011

Biophysics of heart and circulation

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.
 

 
author: Ján Jakuš | JLF UK v Martine | discipline: Biophysics | category: Lectures, Presentations | keywords: Biophysics of heart and circulation, Biophysics of heart and circulation | attachment: 1 | viewed: 4302x | published on: 20.10.2008 | last modified on: 16.2.2016

Biophysics of Breathing

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.

 
author: Ján Jakuš | JLF UK v Martine | discipline: Biophysics | category: Lectures, Presentations | keywords: Biophysics of Breathing | attachment: 1 | viewed: 3434x | published on: 1.6.2008 | last modified on: 16.2.2016
 

Blood physiology

Slides to the lecture on blood physiology.

Blood - composition, functions. Erythrocytes and their function, haemoglobin. Blood groups. Platelets and haemostasis. Leukocytes and their immune unctions. Plasma - composition, function, osmotic and oncotic pressure. Haemopoiesis. Blood and acid-base balance.

 
author: Katarína Babinská | LF UK v Bratislave | discipline: Physiology and Pathophysiology | category: Lectures, Presentations | keywords: Blood - composition, functions | attachment: 1 | viewed: 2512x | published on: 9.10.2015 | last modified on: 20.10.2015

Femtosecond laser in cataract surgery

Femtosecond laser uses an infrared beam of light to precisely separate tissue through a process called photodisruption by generating pulses as short as one-quadrillionth of a second. It has wavelength of 1053 nm and is based on the technology whereby focused laser pulses divide material at the molecular level without transfer of heat or impact to the surrounding tissue.

 

 
author: Alena Furdová, Efrosini Liampiri | LF UK v Bratislave | discipline: Ophthalmology and Optometry | category: Lectures, Presentations | keywords: femtosecond laser, cataract surgery | attachment: 1 | viewed: 4307x | published on: 9.6.2014

Biophysics Of Muscle Contraction

Basic muscle properties,.Sceletal, cardiac, smooth muscles and the differences. Basic muscle and muscle cell structure (myofibril, sarcomere, actin, myosin...). Motor unit, neuro-muscular junction, acetylcholine, end-plate potential. T tubules, sarcoplasmic reticulum, muscle fiber action potential. Muscle contraction and its control (tropomyosin), role of Ca ions and ATP. Single muscle twitch, superposition, summation, tetanus (unfused, fused), rigor mortis. Single unit and multiunit smooth muscle, gap junction, syncytium. Cardiac muscle structure, intercalated discs, Ca induced Ca release. Cardiac muscle action potential, the duration of action potential, summation of contraction.

 
author: Ivan Poliaček, Ján Jakuš | JLF UK v Martine | discipline: Biophysics | category: Lectures, Presentations | keywords: muscle | attachment: 1 | viewed: 4952x | published on: 10.11.2010 | last modified on: 19.5.2011

Science & Research at the First Faculty of Medicine, Charles University in Prague

Web http://science.lf1.cuni.cz contains information of scientific and research activities of departments and institutes of the First Faculty of Medicine, Charles University in Prague. This site can help foreign universities find partners for their research projects. Each workplace shows contacts, website's URL, bibliography and the summary of its research activities.

 
author: Josef Martiňák | 1.LF UK | discipline: Other | keywords: science, research | attachment: 1 | viewed: 5105x | published on: 18.2.2009 | last modified on: 6.2.2013

Biophysics of hearing

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

 
author: Ján Jakuš | JLF UK v Martine | discipline: Biophysics | category: Lectures, Presentations | keywords: Biophysics of hearing, Biophysics of hearing | attachment: 1 | viewed: 4636x | published on: 10.11.2008 | last modified on: 16.2.2016

Biophysics of perception, receptors, vision

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.

 
author: Ján Jakuš | JLF UK v Martine | discipline: Biophysics | category: Lectures, Presentations | keywords: Biophysics of perception, receptors, vision, Biophysics of perception, receptors, vision | attachment: 1 | viewed: 4461x | published on: 15.9.2008 | last modified on: 16.2.2016