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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.

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.

Biophysics of hearing

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

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.

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.

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.

VÝSLEDKY NALEZENÉ VE FULLTEXTU: počet nalezených příspěvků: 15 | počet nalezených příspěvků na BRÁNĚ: 18

Radioactivity and ionizing radiation
.. aims of the lecture .. .. of ionizing radiation basic particles and their properties mechanisms of.. .. – – Pracoviská: Institute of Medical Biophysics.. .. KB anyone – – Pracoviská: Institute of Medical.. .. [?] Klinicky citlivé [?] Licencia Radioactivity and ionizing radiation 19.11.2008 930.5 KB anyone..

Structure of Matter From Biophysical Point of View
.. lecture „Structure of Matter From Biophysical Point of View“ is.. .. structure analysis, explains different structure and forms of matter, physical interactions, general.. .. Pracoviská: Institute of Medical Physics, Biophysics, Informatics and Telemedicine Súvisiace články: .. .. [?] Klinicky citlivé [?] Licencia Structure of Matter From Biophysical Point of View 4.3.2019.. .. of Medical Physics, Biophysics, Informatics and Telemedicine Súvisiace články: Dosimetry. .. ..klíčová slova: in medicine, structure analysis, forms of matter, physical interactions, Heisenberg..

Cardiac tamponade due to cardiac metastases
.. a clinical syndrome caused by the accumulation of fluid or gas in the pericardial space, resulting.. .. space, resulting in reduced ventricular filling and therefore decreased cardiac output (Figure 1)... .. was brought to internal emergency department of University Hospital in Kosice by ambulance.. .. present, lung sounds were clear bilaterally, heart sounds were not muted, lower limbs without a.. .. in Kosice by ambulance because of chest pain and persisting hypotension. Verbal communication..

Constrictive pericarditis, reoperation
.. case report describes the hospitalization of a 50-year-old man who underwent surgery for a.. .. pericarditis at a younger age. Current CT and ultrasonographic findings confirmed the.. .. stroke 7 years ago, surgery because of constrictive pericarditis 30 years ago,.. .. of pericardium. Patient admitted to heart surgery department for surgery. Laboratoty.. .. disorder. ECHO also showed dilatation of LA and no valve disorder. Computer tomography also..

Aortocoronary bypass
.. case report describes the hospitalization of a 58 year old male admitted to our department.. .. to our department for documented ischemic heart disease with affection of three coronary.. .. the formation of one bypass with arterial graft and one bypass with venous graft. In the.. .. years), hypoglycaemic coma in anamnesis, surgery of haemorrhoids, gastroesophageal reflux,.. .. Treatment strategy: Patient transferred to a heart surgery department for surgical.. .. a palpitation with spontaneous withdrawal and pressure chest pain during exercise. Due to the.. ..klíčová slova: heart disease, aortocoronary..

Obesity hypoventilation syndrome
.. (OHS) is defined as the combined presence of obesity (BMI > 30kg/m2) with awake arterial.. .. OHS in the general population remains unknown, and most prevalence data describe subjects with.. .. specialist and was admitted to deparment of respiratory diseases. He reported fragmented.. .. with signs of pulmonary hypertension, wide heart shadow (Figure 2) Polysomnography: severe.. .. old patient underwent overnight polysomnography and arterial blood gases analysis and was diagnosed.. ..klíčová slova: obesity with alveolar hypoventilation BMI: 40 and more, J96.11 Chronic respiratory failure type II..

Autoimmune hepatitis
.. with hypergammaglobulinaemia and the presence of circulating autoantibodies. In most cases it.. .. associated with hypergammaglobulinaemia and the presence of circulating autoantibodies. In.. .. patient was followed up by his GP because of long-term cholestatic hepatic enzymes (GMT, ALP).. .. without additional breathing phenomenas, regular heart rate, fr.92 / min, abdomen without pain and.. .. of the condition (jaundice, pruritus and significant progression of hepatic enzymes)...

Mitral valve replacement and MAZE procedure because of mitral valve stenosis and paroxysmal atrial fibrillation
.. case report describes the hospitalization of a 63-year-old patient admitted to the Department.. .. patient admitted to the Department of heart surgery for mitral valve stenosis with diagnosed.. .. The patient underwent mitral valve replacement and MAZE procedure. At the postoperative period,.. .. arterial hypertension 2st. ESH / ESC, high level of blood lipids, Sjögren's syndrome, no other .. .. x [CH-F] x [CHP-ZL1] Pracoviská: Department of Heart.. .. father has overcome myocardial infarction (3x) and died after stroke, sister had stroke, two..

Posterior wall myocardial infarction
.. myocardial infarction is occurring in 3-11% of all infarctions. ST - segment depression in.. .. is positive (ST - segment elevation equivalent), and confirmation by concomitant ST-segment elevation.. .. PH: Common childhood illnesses, without history of arterial hypertension, diabetes mellitus,.. .. ECG in admission: SR, fr. 73/min, axis of the heart +40°, PQ 140ms, QRS 80ms, STD 2mm V1-V4,.. .. 63-years-old woman. FH: Father and brother have overcome myocardial infarction. PH:.. ..klíčová slova: Acute transmural myocardial infarction of other sites, myocardial..

Srdcová tamponáda u pacientky s metastatickým postihnutím srdca
.. výpotku 500-600 ml, obraz „swinging heart“ s prolabovaním pravej predsiene v ..

Ascending aorta replacement and repair of aortic valve because of ascending aorta aneurysm and bicuspid aortic valve with regurgitation
.. case report describes the hospitalization of a patient with an ascending aortic aneurysm and.. .. of a patient with an ascending aortic aneurysm and a bicuspidal aortic valve. Valvular surgery with.. .. PA: no diseases in history, controlled because of ascending aorta aneurysm during last nine years.. .. x [CH-F] x [CHP-ZL1] Pracoviská: Department of Heart.. .. combined diseases of aortic valve (AVA 1.7 cm2) and ascending aorta aneurysm (CT and TEE 5,3-5,4..

Aortic valve replacement because of aortic valve stenosis, repair of tricuspid valve because of regurgitation
.. case study describes the hospitalization of women with aortic valve stenosis and secondary.. .. of women with aortic valve stenosis and secondary regurgitation of the tricuspid valve... .. Rawel 1-0-0, Atorvastatin l0mg 0-0-1, Siofor 500mg 1-0-0, ANP l00mg 0-1-0, Milurit 300mg.. .. x [CH-F] x [CHP-ZL1] Pracoviská: Department of Heart.. .. hypertension Diabetes mellitus Therapy and conclusion: Treatment strategy: Surgery..

Mitral valve reconstruction because of Barlow's disease with mitral insufficiency, perioperative SAM (systolic anterior motion)
.. case report describes the hospitalization of a 26 year old male with M. Barlow. The mitral.. .. procedures in history FA: father treatment of arterial hypertension, mother treatment diabetes.. .. 6 [ChK/CH-V6/15] Pracoviská: Department of Heart.. .. systolic dysfunction (LVEF 45%) Therapy and conclusion: Treatment strategy: Surgery..

Aortic dissection
.. breach in the integrity of the aortic wall allows arterial blood to enter.. .. in the intima of the aorta. Disease of the aorta and hypertension are the most important aetiological.. .. Demková~authors.php?tid=377#Jana Grof.. .. 55-year-old patient with a history of arterial hypertension, an active smoker, with a.. .. Vesicular breathing, frontally spastic, regular heart rate, fr.82 / min, abdomen without pain and.. .. at a neurological outpatient clinic for thoracic and lumbal spine pain. For arterial hypertension (BP..

MOŽNOSTI ZOBRAZENIA FORMOU 3D TLAČE V OFTALMOLÓGII
.. Robert Furda, Ing.(3), Michal Greguš, prof. RNDr. PhD.(3): 1) Klinika oftalmológie LFUK, .. .. SLA. V roku 1993 Massachusetts Institute of Technology patentoval technológiu, ktorá p.. .. for surgical planning in complex congenital heart diseases. Journal of Cardiovascular Magnetic.. .. Začiatkom roku 2014 britský chirurg Craig Gerrand oznámil úspešný zákrok, pri ktorom nahradil rako..