8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... and Myotomes Motor ... , T1 (median) Reflexes ... #sensory #motor ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... and Myotomes Reflexes ... Commonly caused ... #sensory #motor ... #leg #physicalexam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... or brainstem Motor ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... #neurology #comatose
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Limb ischemia • Aortic ... cyanosis - Cool extremity ... refill - Poor pulses ... #msk #physicalexam
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
medulla, and the cortico-spinal ... form part of the differential ... very different ... This lesion causes ... positive Babinski reflex
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... segment: Upper extremity ... , lower extremity ... Increased Jaw Jerk reflex ... conditions listed in differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... tract, and often causes ... Sensory and/or motor ... diminished, or tender pulses ... extremities, upper extremity
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Spasticity - Reflexes ... : • Sensory, motor ... • Infectious causes ... for brain and/or optic ... #differential