14 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Diagnosis Algorithm ... Lambert-Eaton Myasthenic Syndrome ... Duchenne Muscular Dystrophy ... Peripheral #Weakness #Neurology ... Diagnosis #Algorithm
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Trauma, Tumor • Motor ... Guillain-Barre syndrome ... Lambert Eaton Syndrome ... #differential # ... diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... #diagnosis #neurology ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • ... • Cauda Equina Syndrome ... Commonly caused ... #diagnosis #neurology ... #sensory #motor
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Pathogenesis and clinical ... Anterior Cord Syndrome ... • Central Cord Syndrome ... Posterior Cord Syndrome ... #orthopedics #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN ... • Physiologic Anisocoria ... #neurology #ophthalmology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
cryoglobulins, hepatitis serology ... , HIV serology, ... Abdominal compartment syndrome ... • Cardio-renal syndrome ... Diagnosis #nephrology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
Diagnosis Algorithm ... Lower Motor Neuron ... hyperactive gag reflex ... #Dysarthria #Neurology ... Diagnosis #Algorithm
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... of Horner's syndrome ... anterior_seg_rocks #Horners #Syndrome ... #physicalexam #neurology ... #Anisocoria
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... • Examine for signs ... #neurology #comatose