11 results
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Weakness • Spinal ... : ALS, Cervical ... Syndrome, Myasthenia Gravis ... Mitochondrial myopathy, Muscular ... #diagnosis #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... and LMN signs in ... and LMN signs to ... and LMN signs on ... Lateral #Sclerosis #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Postsynaptic: Myasthenia Gravis ... - Lack of UMN ... /LMN signs - Lack ... myopathies, the muscular ... Differential #Diagnosis #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
for pinch grip weakness ... caused by ulnar ... Palsy #clinical #video ... #neurology #physicalexam ... #msk #orthopedics
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... The median nerve ... acts both as an ... Abnormal #clinical #video ... #neurology #PhysicalExam
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Generalized fatigue - ALS ... test - Cogan sign ... - Peek sign ... - Repetitive nerve ... diagnosis #management #neurology
Myoedema in Hypothyroidism on Physical Exam

Hypothyroidism is a clinical syndrome resulting from the production, secretion or
characterized by muscle weakness ... (shown in the video ... elevation in the muscular ... hammer, caused ... #neurology #endocrinology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
non-localized EOM weakness ... cogan sign and ... tumor, and always ask ... PhysicalExam #clinical #video ... ophthalmology #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... claudication and weakness ... Myotomes #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... Non-compressive Spinal Cord Causes ... Vascular/Blockage ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology