Related Experiment Video
Updated: May 22, 2025
05:54
MRI-guided Focused Ultrasound Thalamotomy for Patients with Medically-refractory Essential Tremor
Published on: December 13, 2017
13.9K
Essential tremor: tips and tricks
José Lapeña-Motilva1, Álvaro Sánchez-Ferro2, Antonio Méndez-Guerrero2
1Neurology, 12 de Octubre University Hospital, Madrid, Comunidad de Madrid, Spain jose.lapena@salud.madrid.org.
Practical Neurology
|March 13, 2025
Summary
Essential tremor diagnosis can be challenging. This review aids differentiation from other tremors by analyzing tremor characteristics like timing and body location for better treatment and prognosis.
Area of Science:
- Neurology
- Movement Disorders
Background:
- Tremors are a frequent neurological complaint requiring accurate diagnosis.
- Distinguishing essential tremor from Parkinson's disease, cerebellar, or dystonic tremors is crucial due to differing treatments and prognoses.
Purpose of the Study:
- To provide a structured approach for the differential diagnosis of tremors.
- To highlight key tremor characteristics for improved diagnostic accuracy.
Main Methods:
- Review of tremor characteristics focusing on 'The When' (conditions enhancing tremor: action, postural, intentional, resting).
- Analysis of tremor characteristics focusing on 'The Where' (body location: upper limbs, head, voice).
Main Results:
- Categorizing tremors based on temporal components (action, postural, intentional, resting) aids differential diagnosis.
- Identifying the tremor's body location (limbs, head, voice) is essential for accurate classification.
Conclusions:
- Analyzing tremor timing and location provides a practical framework for differentiating essential tremor from other tremor types.
- Accurate tremor diagnosis based on these characteristics leads to appropriate management strategies and improved patient outcomes.
Related Concept Videos
01:24Parkinson's Disease: Treatment
174
Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
174
01:15Parkinson's Disease: Overview
410
Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
410
01:27Restless Leg Syndrome and Night Terrors
128
Restless Leg Syndrome (RLS), also known as Willis-Ekbom disease, is a neurological disorder characterized by an uncontrollable urge to move the legs due to uncomfortable sensations. These sensations typically occur during periods of rest or inactivity, particularly when lying down or sitting, and can severely disrupt sleep.
The exact cause of RLS is not fully understood, but it is believed to involve dopamine, a neurotransmitter that helps regulate muscle movement. Imbalances in dopamine levels...
The exact cause of RLS is not fully understood, but it is believed to involve dopamine, a neurotransmitter that helps regulate muscle movement. Imbalances in dopamine levels...
128
01:06Physical Pendulum
1.6K
When a rigid body is hanging freely from a fixed pivot point and is displaced, it oscillates similar to a simple pendulum and is known as a physical pendulum. The period and angular frequency of a physical pendulum are obtained by using the small-angle approximation and drawing parallels with a spring-mass system. The small-angle approximation (sinθ=θ) is valid up to about 14°.
When dealing with complicated systems, the mass moment of inertia is an important parameter, as it...
When dealing with complicated systems, the mass moment of inertia is an important parameter, as it...
1.6K
01:20Myasthenia Gravis: Overview and Treatment
1.1K
Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
1.1K
01:09Rolling Without Slipping
3.5K
People have observed the rolling motion without slipping ever since the invention of the wheel. For example, one can look at the interaction between a car's tires and the surface of the road. If the driver presses the accelerator to the floor so that the tires spin without the car moving forward, there must be kinetic friction between the wheels and the road's surface. If the driver slowly presses the accelerator, causing the car to move forward, the tires roll without slipping. It is...
3.5K