nocturnal myoclonus

(redirected from Periodic limb movement disorder)
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noc·tur·nal my·oc·lo·nus

frequently repeated muscular jerks occurring at the moment of dropping off to sleep.

nocturnal myoclonus

a sleep disorder that usually affects older adults and is marked by thrashing or kicking movements. The condition may be exacerbated by the use of tricyclic depressants used to induce sleep.
A condition defined as a distressing need or urge to move the legs (or arms)—akathisia—usually accompanied by an uncomfortable deep-seated sensation in the legs that is brought on by rest—sitting or lying down, relieved by moving or walking, and worse at night or in the evening. RLS may be accompanied by involuntary limb movements while the patient is asleep
Management For nightly symptoms, dopaminergics are the agents of first choice, opiates second choice; for pain, gabapentin, opiates, dopaminergics, then sedative-hypnotics

nocturnal myoclonus

1. Restless legs, see there; a condition of periodic lower-leg movements during sleep with associated daytime sleepiness, or complaints of insomnia. See Sleep disorder.

noc·tur·nal my·oc·lo·nus

(nok-tŭr'năl mī-ok'lō-nŭs)
Frequently repeated muscular jerks occurring at the moment of dropping off to sleep.

Nocturnal myoclonus

A disorder in which the patient is awakened repeatedly during the night by cramps or twitches in the calf muscles. Nocturnal myoclonus is sometimes called periodic limb movement disorder (PLMD).
Mentioned in: Sleep Disorders
References in periodicals archive ?
Restless legs syndrome (RLS) and periodic limb movement disorder (PLMD): acute placebo-controlled sleep laboratory studies with clonazepam.
RESTLESS LEGS SYNDROME (RLS) AND PERIODIC LIMB MOVEMENT DISORDER (PLMD): Restless legs syndrome (RLS) is characterised by an intolerable, internal itching sensation occurring in the lower extremities that causes an almost irresistible urge to move the legs.
When patients report striking out while asleep, differential diagnoses include RBD, periodic limb movement disorder (PLMD), sleepwalking disorder, and restless legs syndrome (RLS).
Dopamine agonists, considered first-line treatment for RLS (and periodic limb movement disorder [PLMD]; See "PLMs and PLMD" sidebar on page S18), (15) are generally highly effective for the treatment of moderate-to-severe disease.
A total of 34 persons (33%) had PLMI scores greater than 15, which is the cutoff point for a diagnosis of periodic limb movement disorder.
Periodic limb movement disorder, or PLMD, causes people to jerk and kick their legs every 20-40 seconds during sleep.
Restless leg syndrome, which causes uncomfortable or painful sensations in the lower extremities, and the related periodic limb movement disorder, can delay or disrupt sleep as well.
This condition may be accompanied by involuntary leg movements, a symptom of periodic limb movement disorder.
Patients with periodic limb movement disorder exhibit repetitive flexion and extension of the lower leg during sleep.
Periodic limb movement disorder involves frequent, strong jerks of the legs and sometimes of the arms.
One variation of RLS is the Periodic Limb Movement Disorder (PLMD), formerly known as periodic movements of sleep or nocturnal myoclonus.

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