Related Experiment Video
Updated: Jul 15, 2026
07:38
Generating Acute and Chronic Experimental Models of Motor Tic Expression in Rats
Published on: May 27, 2021
Myoclonic epilepsy masquerading as a tic disorder.
N K Sethi1, D Labar, J Torgovnick
1Comprehensive Epilepsy Center, NYP-Weill Cornell Medical Center, K-619, 525 E 68th Street, New York, NY 10021, United States. sethinitinmd@hotmail.com <sethinitinmd@hotmail.com>
Clinical Neurology and Neurosurgery
|April 3, 2007
Summary
Myoclonic epilepsies, characterized by jerks and seizures, are often misdiagnosed. Early recognition of morning jerky movements is key for accurate diagnosis and treatment of this epilepsy type.
Area of Science:
- Neurology
- Epileptology
Background:
- Myoclonic epilepsies are a diverse group of epilepsy syndromes.
- Juvenile Myoclonic Epilepsy (JME) is common and treatable.
- Progressive myoclonic epilepsy syndromes involve cognitive decline and are difficult to treat.
Observation:
- Myoclonic epilepsy is frequently misdiagnosed, often mistaken for tic disorders.
- Patients may not receive the correct diagnosis until specific questioning about morning jerky movements.
- Video-EEG monitoring is crucial for accurate diagnosis.
Findings:
- The case highlights diagnostic challenges in myoclonic epilepsies.
- Delayed diagnosis can lead to prolonged, incorrect treatment.
- Video-EEG monitoring confirmed the correct diagnosis in this patient.
Implications:
- Emphasizes the need for increased awareness of myoclonic epilepsy symptoms among clinicians.
- Highlights the importance of thorough patient history, including specific seizure characteristics.
- Suggests that earlier diagnosis through targeted questioning and appropriate investigations like Video-EEG can improve patient outcomes.
Related Concept Videos
01:13Seizures: Classification
Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
01:22Epilepsy ll: Types
Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.
01:20Seizures l: Introduction
Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...
01:19Seizures ll: Types
Seizures are sudden bursts of abnormal electrical discharge in the brain that interfere with normal function. They are commonly divided into three groups: focal seizures, generalized seizures, and other types that do not fit neatly into either category.Focal SeizuresFocal seizures begin in a single brain region. When awareness is preserved, they are called focal aware seizures and may cause sensations such as tingling, unusual smells, or flashing lights. When awareness is impaired, they are...
01:24Epilepsy and Seizures: Overview
Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
01:29Tetanus
Tetanus is a life-threatening neurological disorder characterized by persistent muscle contractions and spastic paralysis. It is caused by Clostridium tetani, a motile, Gram-positive, rod-shaped, obligate anaerobe. These bacteria produce terminal endospores, giving them a distinctive “lollipop” or “tennis-racket” appearance. They thrive in anaerobic environments, such as those found in deep puncture wounds.Once introduced into the body, the spores germinate into vegetative cells. These cells...