14 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Pathogenesis and clinical ... Syndrome -> Anterior ... Syndrome ->Cord ... Syndrome -> Posterior ... #orthopedics #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Anterior Medial Thigh ... Femoral Condyle Knee ... #SpinalCord #Injury ... differential #diagnosis #Neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... Brown-Séquard Syndrome ... Syndrome: • Etiology ... #syndromes #lesions ... differential #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... : • Knee - L2 ... • Cauda Equina Syndrome ... drop and sensory ... Myotomes #diagnosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Weakness • Spinal Cord ... Guillain-Barre syndrome ... Phrenic nerve injury ... Lambert Eaton Syndrome ... differential #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
neurological lesion: Clinical ... • Gait is abnormal ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology
Primary Orthostatic Tremor

Primary ‘Shaky legs’ syndrome. High frequency oscillograph legs on standing. This video demonstrates closeup
Primary ‘Shaky legs’ syndrome ... High frequency oscillograph ... closeup look at the foot ... #clinical #video ... #physicalexam #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... Anisocoria + Coma → high ... myoclonic movements, tremors ... #PhysicalExam #neurology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Stiff Person Syndrome ... Stiff Person Syndrome ... of Stiff Person Syndrome ... Stiff Person Syndrome ... Management #treatment #neurology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Trauma/Crush injury ... lysis syndrome ... Food - Avoid in ... #nephrology