15 results
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
by Nerve Root Levels ... Spinal Root Sensory ... Motor Reflex C4 ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Pathogenesis and clinical ... Complete loss of motor ... Sensory loss below ... bladder and rectal reflex ... #orthopedics #neurology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... Findings Compression/injury ... radicular symptoms, motor ... gait, strength, reflexes ... pathophysiology #differential
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
sign means upper motor ... neuron injury. ... Positive #Abnormal #clinical ... #video #neurology ... #physicalexam
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The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... threat Cranial Nerves ... /Sensory: • Tone ... caseyalbin #PhysicalExam ... #neurology #comatose
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... spared in this injury ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... damage to peroneal nerve ... Myotomes #diagnosis #neurology ... #sensory #motor ... #leg #physicalexam
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Trauma, Tumor • Motor ... injury, Sarcoid ... heavy metals), Critical ... Weakness #Causes #differential ... #diagnosis #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Weakness - Lower motor ... lesion - Upper motor ... at the level of sensory ... syndromes #lesions #differential
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
form part of the differential ... hyporeflexia without sensory ... very different clinical ... positive Babinski reflex ... cord, peripheral nerve