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The prolonged-stimulation test, which is also called a long conventional-dose test, can last up to 48 hours. This form of the test can differentiate between primary, secondary, and tertiary adrenal insufficiency. This form of the test is rarely performed because earlier testing of cortisol and ACTH levels in association with the short test may ...
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2022 revision of Form 990. Form 990 (officially, the "Return of Organization Exempt From Income Tax" [1]) is a United States Internal Revenue Service (IRS) form that provides the public with information about a nonprofit organization. [2] It is also used by government agencies to prevent organizations from abusing their tax-exempt status. [3]
Low-dose and high-dose variations of the test exist. [4] The test is given at low (usually 1–2 mg) and high (8 mg) doses of dexamethasone, and the levels of cortisol are measured to obtain the results. [5] A low dose of dexamethasone suppresses cortisol in individuals with no pathology in endogenous cortisol production.
Adrenocorticotropic hormone is used as a medication and as diagnostic agent in the ACTH stimulation test. [ 1 ] [ 2 ] : 316, 1165 [ 3 ] : 84, 271 The form that is purified from pig pituitary glands is known as corticotropin [ 1 ] [ 2 ] : 316 is a medication and naturally occurring polypeptide tropic hormone produced and secreted by the anterior ...
Typically, FES is concerned with orthodromic stimulation and uses it to generate coordinated muscle contractions. In the case where sensory nerves are stimulated, the reflex arcs are triggered by the stimulation on sensory nerve axons at specific peripheral sites. One example of such a reflex is the flexor withdrawal reflex. The flexor ...
Repetitive nerve stimulation is a variant of the nerve conduction study where electrical stimulation is delivered to a motor nerve repeatedly several times per second. By observing the change in the muscle electrical response (CMAP) after several stimulations, a physician can assess for the presence of a neuromuscular junction disease, and differentiate between presynaptic and postsynaptic ...
Cortical stimulation mapping led to the development of a homunculus for the motor and sensory cortices, which is a diagram showing the brain's connections to different areas of the body. An example is the cortical homunculus of the primary motor cortex and the somatosensory cortex, which are separated by the central sulcus.