Physiology7 Videos


Epidemiology, pathology, and pathogenesis of Alzheimer disease Hallmark neuropathologic features  Neuropathologic changes of Alzheimer disease (AD) include neuritic plaques, extracellular deposits of amyloid beta, and neurofibrillary degeneration. Pathogenesis While the pathogenesis of AD remains unclear, all forms of AD appear to share overproduction and/or decreased clearance of a family of proteins known as amyloid beta […]

Teaching clinical skills of hand examination

Physical examination for general function of the hand The patient is simply asked to open and close the hand, noting the ability to actively flex and extend the joints of the thumb and fingers. Courtesy of Bruce C Anderson, MD. Graphic 69129 Version 5.0