9 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
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
Cord Injury by Nerve ... Spinal Root Sensory Motor ... C6 Dorsal Thumb Wrist ... None T7-T12 See Dermatomes ... #diagnosis #Neurology
Moro Reflex on Newborn Physical Exam

The Moro reflex is obtained by holding the baby’s head and
seen in upper motor ... brachial plexus palsy ... #Pediatrics #Clinical ... #Video #Neurology ... #Normal #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
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... threat Cranial Nerves ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... #neurology #comatose
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... - Emergency Causes ... region (S2-S4 dermatomes ... #diagnosis #causes ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... Increased Jaw Jerk reflex ... conditions listed in differential ... activity between nerve ... Lateral #Sclerosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Multiple infections are ... Symptoms: AMS, motor ... hearing loss, palsy ... of the abducens nerve
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
extensors of the arms ... Spasticity - Reflexes ... : • Sensory, motor ... • Infectious causes ... #differential