10 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... and Myotomes Motor ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... #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 ... Nerves: ALS, Cervical ... Mitochondrial myopathy, Muscular ... differential #diagnosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
threat Cranial Nerves ... • Examine for signs ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... #neurology #comatose
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... The median nerve ... acts both as an ... clinical #video #neurology ... #PhysicalExam
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
Passive neck flexion causes ... flexion occurs as ... an involuntary reflex ... Clinical #Video #PhysicalExam ... #Pediatrics #Peds
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... 4) progressive muscular ... Increased Jaw Jerk reflex ... activity between nerve ... Lateral #Sclerosis #neurology
Tromner Sign on Physical Exam

The Trömner sign is commonly used as a clinical neurological examination for
examination for upper motor ... or index finger causes ... #Reflex #clinical ... #Video #Neurology ... #physicalexam
Newborn Infant - Routine Examination

Birthweight, gestational age and birthweight percentile are noted.
General observation Of the baby's
a late sign of ... This reflex is not ... Newborn #Infant #PhysicalExam ... #Examination #Peds ... #Pediatrics #Diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... Sensory and/or motor ... affects the skin, neurologic ... muscle weakness • Nerves ... tract, and often causes