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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Myokmia

Introduction

Overview

Overview

Myokmia is an involuntary and continuous Myoclonus (muscle twitch) that affects the muscles of the face, particularly the eyelids, as a result of the random firing of neurons leading into the muscle fibres.

Causes[1]

Causes[1]

Common Causes

Causes by Organ System

Cardiovascular No underlying causes
Chemical/Poisoning Gold therapy
Dental No underlying causes
Dermatologic No underlying causes
Drug Side Effect Penicillamine therapy
Ear Nose Throat Axenfeld-schürenberg syndrome 
Endocrine No underlying causes
Environmental No underlying causes
Gastroenterologic No underlying causes
Genetic Axenfeld-schürenberg syndrome ,
Hematologic Hypokalemia, Hypomagnesemia, Uremia
Iatrogenic Gold therapy, Penicillamine therapy, Radiation therapy
Infectious Disease Inflammatory demyelinating diseases, Syringomyelia, Thyrotoxicosis
Musculoskeletal/Orthopedic Spinocerebellar ataxia 12 
Neurologic Adcy5-related dyskinesia, Ataxia, Benign neonatal epilepsy, Brainstem neoplasms, Choreoathetosis-spasticity, Chronic idiopathic plexopathy, Corneal abrasion , Episodic ataxia type 1, Gamstorp-wohlfart syndrome, Guillain-barré syndrome, Hemifacial spasm, Inflammatory demyelinating diseases, Intramedullary pontine lesions, Isaacs-mertens syndrome, Metastatic lesions , Multiple sclerosis, Neuromyotonia, Paroxysmal nonkinesigenic choreoathetosis, Polyradiculoneuropathy, Sleep deprivation, Spinocerebellar ataxia 12 , Stiff-person syndrome , Syringomyelia
Nutritional/Metabolic No underlying causes
Obstetric/Gynecologic No underlying causes
Oncologic Brainstem neoplasms, Metastatic lesions 
Ophthalmologic Corneal abrasion 
Overdose/Toxicity Excess alcohol intake, Excess caffeine intake
Psychiatric No underlying causes
Pulmonary No underlying causes
Renal/Electrolyte Hypokalemia, Hypomagnesemia
Rheumatology/Immunology/Allergy No underlying causes
Sexual No underlying causes
Trauma No underlying causes
Urologic Uremia
Miscellaneous Strenuous exercise

Causes in Alphabetical Order

References

References

  1. ↑ Sharma RR, Mathad NV, Joshi DN, Mazarelo TB, Vaidya MM. Persistent facial myokymia: A rare pathognomic physical sign of intrinsic brain-stem lesions: report of 2 cases and review of literature

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Luke Rusowicz-Orazem, B.S.