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The origins of pathophysiology as a distinct field date back to the late 18th century. The first known lectures on the subject were delivered by Professor August Friedrich Hecker at the University of Erfurt in 1790, and in 1791, he published the first textbook on pathophysiology, Grundriss der Physiologia pathologica, [2] spanning 770 pages. [3]
Compression mechanism is the first theory postulated regarding the pathophysiology of RPON. [17] It is proposed that headache is caused by direct pressure on CNIII ( compression neuropathy ) within the cavernous sinus due to edema of the walls of the internal carotid artery (ICA) or posterior cerebral artery (PCA) during migraine episodes.
A summary of the pathophysiology of a type 1 hypersensitivity reaction. Type I hypersensitivity can be further classified into immediate and late-phase reactions. Within minutes of exposure to an antigen, the immediate hypersensitivity occurs, releasing histamines and lipid mediators which are responsible for the initial allergic reaction response.
A diagnostic test is any kind of medical test performed to aid in the diagnosis or detection of disease. Diagnostic tests can also be used to provide prognostic information on people with established disease. [3] Processing of the answers, findings or other results. Consultations with other providers and specialists in the field may be sought.
The pathophysiology of polymyalgia rheumatica is not well-understood. Evidence shows that there is likely a combined genetic and environmental pathophysiology behind the disease, but concrete identification of the causes, including whether or not polymyalgia rheumatica is an autoimmune disease , remains elusive. [ 4 ]
There are two kinds of neurons involved in the transmission of any signal through the sympathetic system: pre-ganglionic and post-ganglionic. The shorter preganglionic neurons originate in the thoracolumbar division of the spinal cord specifically at T1 to L2~L3, and travel to a ganglion, often one of the paravertebral ganglia, where they synapse with a postganglionic neuron.
Pathophysiology is a convergence of pathology with physiology. Pathology is the medical discipline that describes conditions typically observed during a disease state; whereas physiology is the biological discipline that describes processes or mechanisms operating within an organism.
As a specialty for medical doctors, clinical physiology is a diagnostic specialty in which patients are subjected to specialized tests for the functions of the heart, blood vessels, lungs, kidneys and gastrointestinal tract, and other organs.
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