14 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
hyperextension -> Upper extremity ... Primarily Upper Extremity ... #diagnosis #pathophysiology ... symptoms #msk #orthopedics ... #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... and Myotomes Motor ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Trauma, Tumor • Motor ... Malnutrition, Metabolic ... #differential #diagnosis ... #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... (Contralateral motor ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
paralysis should be looked ... wasting from other causes ... suggests extra-renal causes ... Pressure: - Metabolic ... #Hypokalemia #diagnosis
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... segment: Upper extremity ... , lower extremity ... Glutamate reverse blocker ... Lateral #Sclerosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... caseyalbin #PhysicalExam ... #neurology #comatose ... #diagnosis
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... heart failure, neurologic ... hypokalemia and metabolic ... Neurologic disorders
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... Non-compressive Spinal Cord Causes ... Toxic Metabolic: ... MCTD, Sjogren syndrome ... #neurology #differential