Urodynamic Studies for Urinary Incontinence: Overview, Patient Selection for Urodynamic Studies, Test Components
Electromyography. Electromyography (EMG) during voiding is used to distinguish coordinated voiding (i.e. detrusor sphincter ... Glazer HI, Romanzi L, Polaneczky M. Pelvic floor muscle surface electromyography. Reliability and clinical predictive validity ... and electromyography (EMG) electrodes if neuromuscular testing is being peformed. Various gas-filled and water-filled catheters ... and electromyography (EMG). Water is the fluid medium used for multichannel urodynamics. ...
Dystrophinopathies Workup: Laboratory Studies, Imaging Studies, Other Tests
Electromyography. Electromyography (EMG), even though not diagnostic, narrows the differential diagnosis by effectively ...
Dynamic Reconstruction for Facial Nerve Paralysis: Overview, Anatomy of the Facial Nerve, Etiology in Prognosis and Treatment
Electromyography. EMG is a measure of volitional muscle response that is unlike the other modalities. Needle electrodes are ... If the status of the facial musculature is in question, the team should perform electromyography (EMG), muscle biopsy, or both ... After surgery, the rehabilitation of patients with facial paralysis necessitates electromyography (EMG) protocols, behavioral ...
Assessment of Neuromuscular Transmission: Overview, Myasthenia Gravis: Clinical Evaluation, Repetitive Nerve Stimulation
Electromyography. Conventional needle electromyography. Study of the motor unit action potentials (MUAPs) with the standard ... Single-fiber electromyography. Single-fiber EMG (SFEMG) is the most sensitive electrodiagnostic test of neuromuscular ... De Bleecker J, Van den Abeele K, De Reuck J. Electromyography in relation to end-plate acetylcholinesterase in rats poisoned by ... Single Fiber Electromyography. Studies in Healthy and Diseased Muscle. New York: Raven Press; 1994. ...
Metabolic Myopathies: Overview, Types of Myopathies, Classification
Electromyography. Needle EMG may show myotonic discharges in acid maltase deficiency, a relatively specific finding in patients ... Needle electromyography (EMG) may reveal increased insertional activity and/or myotonic discharges without clinical myotonia. ... Dianna Quan, MD Professor of Neurology, Director of Electromyography Laboratory, University of Colorado School of Medicine. ...
Shoulder Pain in Hemiplegia: Hemiplegic Shoulder Pain, Shoulder Anatomy, Pathophysiology of Shoulder Dysfunction
Using electromyography (EMG), Cheng and Hong found a significant correlation between the presence of spontaneous activity and ...
Gait Analysis: Fundamentals, Methods Of Analysis, Normal Gait
Dynamic electromyography. Muscle action cannot be measured directly. The electromyogram (EMG) allows indirect measurement of ...
Urologic Management in Neurologic Disease: Overview, Neuroanatomy of Pelvic Floor, Neurophysiology of Pelvic Floor
Electromyography (EMG) of the urethral sphincter seldom shows a significant abnormality. Eardley et al studied 24 patients and ... Sphincter electromyography. Electromyographic (EMG) recordings from the urethral and anal sphincters were first made in the ... Is sphincter electromyography a helpful investigation in the diagnosis of multiple system atrophy? A retrospective study with ... Nahm F, Freeman R. Sphincter Electromyography and Multiple System Atrophy. Muscle & Nerve. 2003. 28:18-26. [QxMD MEDLINE Link] ...
Ophthalmologic Manifestations of Myasthenia Gravis: Overview, Patient History, Physical Examination
Single-fiber electromyography. If the diagnosis of ocular myasthenia remains in question, some neurologists can perform single- ... Single fiber electromyography showing the "jitter" phenomenon (second action potential wave group). ...
Neuromuscular and Myopathic Complications of HIV: Overview, Pathophysiology, Epidemiology
Electromyography and nerve conduction studies. Electromyography and nerve conduction studies may indicate the following:. * ... Electromyography (EMG) and nerve conduction studies show axonal degeneration and asymmetric involvement. CSF shows pleocytosis ... The workup in HIV-infected patients with myopathies includes measurement of serum creatine kinase (CK), electromyography (EMG ... These disorders can be clinically silent, and many additional neuromuscular abnormalities are detected by electromyography, ...
Neurologic Granulomatosis with Polyangiitis (formerly called Wegener's): Types of Neurologic Involvement, Clinical Presentation...
Electromyography and nerve conduction studies. EMG and nerve conduction studies may reveal acute and/or chronic denervation in ...
Limb-Girdle Muscular Dystrophy Workup: Laboratory Studies, Imaging Studies, Other Tests
Needle electromyography (EMG) and nerve conduction studies (NCSs). Order EMG and NCSs in all patients with suspected LGMD to ...
Emery-Dreifuss Muscular Dystrophy Workup: Laboratory Studies, Other Tests, Procedures
Needle electromyography (EMG) and nerve conduction studies (NCSs). EMG and NCSs should be obtained to confirm the myopathic ...
Dermatomyositis: Practice Essentials, Background, Pathophysiology
When studied, some ADM patients may have abnormal findings on ultrasonography, electromyography, magnetic resonance imaging ( ...
Myopathies: Practice Essentials, Background, Pathophysiology
Electromyography * Magnetic resonance imaging (to assess complications or rule out neurologic disease) ...
Hand Nerve Injury Repair: History of the Procedure, Problem, Epidemiology
Bralliar F. Electromyography: its use and misuse in peripheral nerve injuries. Orthop Clin North Am. 1981 Apr. 12(2):229-38. [ ...
Type VII Glycogen Storage Disease: Practice Essentials, Background, Pathophysiology
1] The diagnosis is made on the basis of findings from the history and physical examination, muscle biopsy, electromyography, ... Diagnosis depends on findings from muscle biopsy, electromyography, ischemic forearm testing, creatine kinase testing, patient ...
Dystrophinopathies: Practice Essentials, Background, Pathophysiology
Electromyography. * Electromyography (EMG), even though not diagnostic, narrows the differential diagnosis by effectively ...
Factitious Disorder Imposed on Self (Munchausen's Syndrome): Practice Essentials, Background, Pathophysiology
Factitious disorder imposed on self (including what is often referred to as Munchausen syndrome) is 1 of the 2 forms of factitious disorder (the other being factitious disorder imposed on another). It refers to the psychiatric condition in which a patient deliberately produces or falsifies symptoms and/or signs of illness for the principal pu...
Type III Glycogen Storage Disease (Forbes-Cori Disease): Practice Essentials, Background, Pathophysiology
A glycogen storage disease (GSD) results from the absence of enzymes that ultimately convert glycogen compounds to glucose. Enzyme deficiency results in glycogen accumulation in tissues.
Juvenile Dermatomyositis: Practice Essentials, Background, Pathophysiology
Electromyography See Workup for more detail.. Management. A multidisciplinary approach to treatment is required to prevent and ...
Radiation-Induced Brachial Plexopathy: Background, Pathophysiology, Epidemiology
Although radiation therapy is used in the treatment of a myriad of neoplastic diseases, it has potentially adverse effects on several organs and systems that are exposed during treatment. Radiation-induced neurotoxicity can involve the central and peripheral nervous systems.
Traumatic Peripheral Nerve Lesions: Background
Needle electromyography (EMG) of first dorsal interosseus shows sparse denervation potentials with 1 fast firing unit on ...