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
Cord Injury by Nerve ... Respiration None C5 Radial ... C7 Dorsal Middle ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... nerve in the radial ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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 ... Diagnosis: • ... MRI- Sagittal, axial ... #diagnosis #causes ... #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Conditions: • Cauda ... damage to peroneal nerve ... #neurology #sensory ... #motor #leg #physicalexam
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
• Weakness: Starts ... Decreased / Absent Reflexes ... Guillain-Barre Diagnosis ... roots and cauda ... management #treatment #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm ... • Neurologic ... suggest a mass as ... #DoubleVision #Differential
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Nerves: Brainstem ... horizontal movements; also ... caseyalbin #PhysicalExam ... #neurology #comatose
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... evaluation should also ... include a: • Neurologic ... (CN 8)
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
with peripheral nerve ... depressed deep tendon reflexes ... extremity, facial ... roots and cauda ... #management #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Increased Jaw Jerk reflex ... conditions listed in differential ... activity between nerve ... neurons - IV free radical ... Lateral #Sclerosis #neurology