'Conduction velocity' presentation slideshows

Drugs that affect the Cardiovascular system

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بسم الله الرحمن الرحيم

بسم الله الرحمن الرحيم. Basic nerve conduction study. By Mohammad Hassan Abu-Zaid Ass. lect. of Rheumatology & Rehabilitation. MOTOR CONDUCTION STUDIES. The CMAP is a biphasic potential with an initial negativity, or upward deflection from the baseline

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Work-related Carpal Tunnel Syndrome

Work-related Carpal Tunnel Syndrome. ??? MD.PhD ?????. Case - M/48. ? xx CC: referral here under the impression of work related carpal tunnel syndrome. ????????. ????? ??????? ????? ????????????? ???????????. ?????. Symptoms Signs Tests. SYMPTOMS. Numbness,

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EMG 101 Empowering Chiropractic

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Arrhythmias

Arrhythmias. Heart Physiology. Closed system Pressure driven Supply nutrients/O 2 Remove metabolites. Heart Physiology. P - atria depolarization QRS - ventricle depolarization PR - conduction A-V T - ventricle repolarization

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Biopsychology Chapter 2: Structure and Functions of Cells of the Nervous System

Biopsychology Chapter 2: Structure and Functions of Cells of the Nervous System. Neuron Structure. 2. 2. Neuron Classification Schemes. Neurons can be classified according to Number of axon processes : Unipolar: one stalk that splits into two branches

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Neuronal Function

Neuronal Function. Goal: electrochemical communication Requirement: Electrochemical signal generation Electrochemical signal propagation Electrochemical signal transmission. Neuronal Function. Neuronal Function. Electrochemical Signal generation. Establishing Membrane Potential ( V m ).

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Computer Simulation of Neurophysiology

Computer Simulation of Neurophysiology. Presented in Lab. Computer Simulation of Neurophysiology. Action Potential Stimulation Determine threshold Observe effects of other stimuli Effects of Drugs Determination of Conduction Velocity. Action Potential Generation: Stimulus.

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Chapter 4 The Action Potential

Chapter 4 The Action Potential. Introduction. Action Potential Cytosol (cytoplasm) has negative charge relative to extracellular space Its pusatile nature allows for neural coding frequency Pattern Action potential components to be examined Spike Nerve impulse Discharge.

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Announcements

Announcements. Tutorial next Thursday, Oct 9 Submit questions to me Mid-term schedule Go vote!. Today Action Potential Conduction Next Lecture Synaptic Transmission. Action Potential Conduction. Axon hillock Region of neuron where AP usually starts. Action Potential Conduction.

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Examples of Biomedical Signals

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The Nervous Syste m

The Nervous Syste m. The Neuron. Two main cell types in the nervous system -> Neurons and Glial Cells Neurons transmit nerve messages Glial Cells surround Neurons and give rise to myelin 100 million Neurons in the Human brain alone. The Neuron.

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THE AUSTRALIAN NATIONAL UNIVERSITY

THE AUSTRALIAN NATIONAL UNIVERSITY. Introduction to Practical 4 Nerve Conduction & M uscle Response Christian Stricker ANUMS/JCSMR - ANU Christian.Stricker@anu.edu.au http:/ /stricker.jcsmr .anu.edu. au/Practical_4.pptx. Aims of the Practical. The students should

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Lab study in physical medicine and rehabilitation

Lab study in physical medicine and rehabilitation. ????????? R4 ???. Important Lab studies in physical medicine and rehabilitation. Nerve conduction study and electromyography Urodynamic study Cardiopulmonary exercise testing. Nerve Conduction study.

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ECG IN HYPERKALEMIA

ECG IN HYPERKALEMIA. Potassium is most abundant intracellular cation M ost important determinant of resting membrane potential (RMP ). Mild to moderate levels of hyperkalemia Decrease TP(less negative ) Decrease RMP (less negative) Decrease RMP more than decrease TP

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How Fast is a Brain?

How Fast is a Brain?. With 1 electrode, you can only tell the time of the action potential, and (sometimes) the type of neuron that generated that action potential. With two electrodes, you can also measure the speed of the action potential.

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Natural Excitation of the Heart

Natural Excitation of the Heart. Natural Excitation of the Heart. Specialized Excitatory and Conductive System of the Heart. Function: To cause rhythmical contraction of the heart muscle Conducting impulses rapidly through the heart.

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The Use of Surface Electromyography in Biomechanics by Carlo De Luca

The Use of Surface Electromyography in Biomechanics by Carlo De Luca. JAB Vol 13, p 135-163; 1997 To its detriment, EMG is too easy to use and consequently too easy to abuse. EMG provides easy access to physiological processes that cause the muscle to generate force and produce movement.

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Neurons

Neurons. Ted Miles. Neuron structure. Composed of: Dendrites- receive information via neurotransmitters, then produce graded potentials. Soma Axon Hillock- responsible for making the decision to fire an action potential.

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