10 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
Spinal Cord Injury ... Finger Flexion ... #SpinalCord #Injury ... #differential #diagnosis ... #Neurology #Spine
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
flexor reflex) ... indicating cervical injury ... #flexor #reflex ... physicalexam #msk #orthopedics ... #neurology #sports
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
bladder and rectal reflex ... Acute #SpinalCord #Injury ... #Syndromes #diagnosis ... symptoms #msk #orthopedics ... #neurology
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
- Differential Diagnosis ... Algorithm Cardiovascular ... Gastro-Esophageal Reflux ... • Muscular Injury ... • Trauma - Neurologic
Causes of Apparent Life Threatening Event (ALTE) - Differential Diagnosis Algorithm
Cardiac:
 • Congenital Heart Disease
 •
- Differential Diagnosis ... Algorithm Cardiac ... Disturbances Neurologic ... Gastroesophageal Reflux ... Choking Spell Injury
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
well-localized, dull, longer ... • Spinal injury ... Pain #Mechanisms #Neurology ... #Differential #Diagnosis ... #Algorithm #Causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... , T1 (median) Reflexes ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Overview of approach to brain death

Pursuing a diagnosis of brain death too early may lead to
death Pursuing a diagnosis ... patient should focus ... brain activity on neurologic ... a mechanism of injury ... BrainDeath #Dead #Algorithm
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
ring and little finger ... where the index finger ... and thumb do not flex ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... below the site of injury ... dysfunction • Abnormal reflexes ... #neurology #differential ... #algorithm