Objective: Propriospinal myoclonus (PSM) is a rare disorder with repetitive, usually flexor arrhythmic brief jerks of the trunk, hips, and knees in a fixed pattern. It has a presumed generation in the spinal cord and diagnosis depends on characteristic features at polymyography. Recently, a historical paradigm shift took place as PSM has been reported to be a functional (or psychogenic Spinal myoclonus consists of sudden, involuntary muscle contractions innervated by a limited segment of the spinal cord and unassociated with EEG abnormalities or alterations in consciousness. 1-10 Causes of spinal myoclonus include infection Get unlimited access and a printable PDF ($40.00)— Myoclonus may also be seen in conjunction with infection, head or spinal cord injury, stroke, brain tumor, kidney or liver failure, chemical or drug intoxication, or metabolic disorders. Prolonged oxygen deprivation to the brain, called hypoxia, may lead to post-hypoxic myoclonus. What are the types of myoclonus? C Spinal myoclonus (SM) is a rare neurologic movement disorder following neuraxial anesthesia (NA). SM following NA (SM-NA) has insufficient clinical information and its pathogenesis remains to be elucidated. The aim of this review article was to summarize the past cases and consider SM-NA pathophysiology. Based on our PubMed search, it was Spinal segmental myoclonus is a rare movement disorder characterized by sudden involuntar y contraction of groups of agonist and antagonist muscles supplied by contiguous segments of the spinal cord. An awareness of this clinical condition is essential as it is often mistaken to be a psychogenic condition. Spinal myoclonus (SM) is a rare neurologic movement disorder following neuraxial anesthesia (NA). SM following NA (SM-NA) has insufficient clinical information and its pathogenesis remains to be elucidated. The aim of this review article was to summarize the past cases and consider SM-NA pathophysiology. Spinal myoclonus is a rare disorder characterized by myoclonic movements in muscles that originate from several segments of the spinal cord and usually associated with laminectomy, spinal cord injury, post-operative, lumbosacral radiculopathy, spinal extradural block, myelopathy due to demyelination, cervical spondylosis and many other diseases. A few cases of spinal myoclonus have been reported after administration of intrathecal bupivacaine. The exact cause and pathophysiology of spinal myoclonus is unknown. We report a case of a 28-year-old female who underwent caesarean section under spinal anaesthesia with 0.5% hyperbaric bupivacaine. Propriospinal myoclonus (PSM) is a rare type of spinal myoclonus characterized by muscle jerks that usually start in the midthoracic segments and then slowly propagate up and down into the spinal cord, resulting in repetitive and irregular jerky flexion, or extension of the trunk, neck, knees and hi … Myoclonus can originate from either the central nervous system or the peripheral nervous system, but most of myoclonic jerks occur in association with disorders of the central nervous system. 1 It can originate from the motor cortex, brainstem, and spinal cord, and there are some other forms of myoclonus whose source has not been clarified Four cases of spinal myoclonus are described, three males and one female. The mean age was 51 years (28-75 years). The mean time between the onset of the myelopathy and the myoclonic jerks was 4.3 Download PDF. Introduction Cortical myoclonus is the most common type of myoclonus, 4,5 whereas s