9 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Diagnosis Chronic ... Corneal Abrasion, Anterior ... Dislocation, Retinal ... #causes #ophthalmology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Anterior Shoulder ... Dislocation - May ... regimental badge" anesthesia ... Dermatomes #Myotomes #diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Weakness - Lower motor ... lesion - Upper motor ... patients with a long ... - Saddle anesthesia ... #differential #diagnosis
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... Anterior Chamber ... dislocation • ... vision → visual loss ... ophthalmology #causes
Lateral view
On a normal lateral view the contours of the heart are visible and the IVC
retrosternal space should ... proces in the anterior ... there will be less ... this is not the case ... #Clinical #Anatomy
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Short-lived (typically less ... Long symptom-free ... insufficiency (VBI) - Should ... #differential #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Anorexia • Weight loss ... Sensory and/or motor ... malaise, weight loss ... proximal muscles of shoulder ... tract, and often causes
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
Manifestations: Less ... the face, or the anterior ... , and back and shoulders ... Muscle atrophy may cause ... Non-small-cell lung
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
head trauma or loss ... over the left anterior ... secretions and should ... following high speed motor ... Radiology #CTChest #Lung