15 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... spared in this injury ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Positive Lachman's Test

The Lachman test is a clinical test used to diagnose injury of the anterior
used to diagnose ... injury of the anterior ... cruciate ligament ... should place one hand ... ACL #PhysicalExam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... • Cauda Equina Syndrome ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Demonstration of the Lachman Test for assess for ACL Injury - Normal Exam

Demonstration by Dan Smith,
assess for ACL Injury ... used to diagnose ... cruciate ligament ... should place one hand ... ACL #PhysicalExam
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... rarely follow dermatomal ... sensory • Before diagnosis ... Straight Leg Raise Test ... lateral inguinal ligament
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
• One-and-a-half ... Syndrome • Cavernous ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
Horner's syndrome ... caused by an injury ... Sweat society and ... #Overview #Ophthalmology ... #Diagnosis #Neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
to local skin injury ... ) • Neurologic ... Positive pathergy test ... is a skin prick test ... inhibitors • Uveitis- Ophthalmology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... region (S2-S4 dermatomes ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
benign • Regular and ... Holmes-Adie Syndrome ... females Differential Diagnosis ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology