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Pyramidal signs can be a result from different types of damage to the brain or spinal cord, such as strokes, infections, tumors, hemorrhagic events, multiple sclerosis, or trauma. [4] Parkinsonian-Pyramidal syndrome (PPS) is a combination of both pyramidal and parkinsonian signs that manifest in various neurodegenerative diseases. [5]
Changes in muscle performance can be broadly described as the upper motor neuron syndrome. These changes vary depending on the site and the extent of the lesion, and may include: Muscle weakness. [2] known as 'pyramidal weakness' Sloth sign. Decreased control of active movement, particularly slowness; Spasticity, a velocity-dependent change in ...
Vertebrobasilar insufficiency (VBI) describes a temporary set of symptoms due to decreased blood flow in the posterior circulation of the brain.The posterior circulation supplies the medulla, pons, midbrain, cerebellum and (in 70-80% of people) supplies the posterior cerebellar artery to the thalamus and occipital cortex. [1]
The upper motor neuron syndrome signs are seen in conditions where motor areas in the brain and/or spinal cord are damaged or fail to develop normally. These include spinal cord injury, cerebral palsy, multiple sclerosis and acquired brain injury including stroke. The impact of impairment of muscles for an individual is problems with movement ...
Lateral medullary syndrome is a neurological disorder causing a range of symptoms due to ischemia in the lateral part of the medulla oblongata in the brainstem. The ischemia is a result of a blockage most commonly in the vertebral artery or the posterior inferior cerebellar artery . [ 1 ]
The symptoms can be acute (short-term) or chronic (long-term). They include movement dysfunction such as dystonia (continuous spasms and muscle contractions), akathisia (may manifest as motor restlessness), [ 1 ] parkinsonism characteristic symptoms such as rigidity , bradykinesia (slowness of movement), tremor , and tardive dyskinesia ...
A condition called peripheral artery disease (PAD), for example, occurs when the arteries that carry blood from the heart to the legs get clogged; it’s associated with an increased risk of heart ...
Downs' syndrome or non-pathological: greyish-white spots at periphery of iris Buerger's test: Leo Buerger: general medicine, surgery: peripheral artery disease: pallor of the leg upon elevation Burton line: Henry Burton: toxicology: lead poisoning: NEJM 354:e21 5/18/06: blue discolouration of the gingival border Cabot rings: Richard Cabot ...