9 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Radial Nerve ... • Median Nerve ... • Ulnar Nerve ... #differential # ... #innervation #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Abduction - C8-T1 (ulnar ... nerve in the radial ... regimental badge" anesthesia ... Myotomes #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Sub-Cortical (Corona radiata ... Nerve Palsies ... contralateral extremity ... sensory loss to pain ... #Hemiplegia #Neurology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... Otalgia: • Otitis media ... 10%) • Otitis media ... the tragus to differentiate ... cervical spine #Earpain
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Syndrome - Low back pain ... saddle (perineal) anesthesia ... Medical Emergency ... Commonly caused ... damage to peroneal nerve
Ear Pain / Otalgia - Differential Diagnosis Algorithm
Referred Otaliga:
 • Via Vagus or Glossopharyngeal Nerves
 •
Ear Pain / Otalgia ... - Differential ... • Acute Otitis Media ... Otorrhea) #EarPain ... Diagnosis #Algorithm #Causes
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 ... • S - Saddle anesthesia ... - Emergency Causes ... #diagnosis #causes ... #neurology
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
external factors • Median ... during the post-prandial ... artery syndrome - Extremely ... Abdominal cutaneous nerve ... #differential #
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
failure Diagnosis - Medical ... conditions listed in differential ... activity between nerve ... neurons - IV free radical ... Lateral #Sclerosis #neurology