38 results
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... Muscle Weakness ... or peripheral neurologic ... mimics #diagnosis #differential ... #causes #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
- Differential ... : CKD, ESRD • CV ... Polyneuropathy, ALS), NMJ disorder ... Diagnosis #causes ... #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential # ... diagnosis #table #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Sensory Changes - Differential ... Lambert-Eaton Myasthenic Syndrome ... #Neurology #Differential ... Diagnosis #Algorithm #Causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... Guillain-Barre syndrome ... #Causes #differential ... #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Extraocular Movement Disorders ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... (Many causes!) ... • Psychiatric disorders ... #diagnosis #neurology ... #differential
Myoedema in Hypothyroidism on Physical Exam

Hypothyroidism is a clinical syndrome resulting from the production, secretion or
is a clinical syndrome ... characterized by muscle weakness ... (shown in the video ... hammer, caused ... #neurology #endocrinology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Non-neuromuscular disorder ... aminotransferases • Serology ... #Differential # ... Diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... , T1 (median) Reflexes ... Carpal Tunnel Syndrome ... anesthesia and deltoid weakness ... Myotomes #diagnosis #neurology