10 results
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... syphilis, and HIV ... #lesions #differential ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Carpal Tunnel Syndrome ... Anterior Shoulder ... Myotomes #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
disease): Leaflets are ... base and body, tip ... Direct/indirect chest ... mid-portion of anterior ... Primary #Functional #Differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... cord infarct • HIV ... #differential # ... diagnosis #causes ... #neurology
Intermittent Bilateral Exophthalmos (Alternating Exophthalmos and Enophthalmos) on Physical Exam

Observing this patient in silence for a
Existing case reports ... The syndrome of ... Differentials for ... Alternating #Bilateral #clinical ... ophthalmology #physicalexam
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Clinical ... • Weakness: Starts ... Can begin in arms ... Absent Reflexes: Arms ... management #treatment #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Clinical Picture ... proximal weakness, arms ... life-threatening Differential ... Imaging - CT Chest ... diagnosis #management #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... neurological lesion: Clinical ... Non-compressive Spinal Cord Causes ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... patients with HIV ... gren syndrome. ... #Clinical #Radiology ... #CTChest #Lymphangiomyomatosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
over the left anterior ... This patient’s clinical ... Due to their short ... over the left anterior ... #Radiology #CTChest