8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... #UpperLimb #Extremity ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... glaucoma - Ocular ... • CNS Vasculitis ... #differential #diagnosis ... ophthalmology #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... #LowerLimb #Extremity ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Headache Etiologies and Associated Spectrum of Severity of Disease by System
Critical, Emergent and Non-Emergent Causes
CNS, neurologic,
Headache Etiologies ... Non-Emergent Causes CNS ... vascular disease Ocular ... #differential #diagnosis ... #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulceration • Ocular ... skin injury) • Neurologic ... symptoms (headache ... artery aneurysms Diagnosis ... ) Differential Diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... 50 years • New headache ... affects the skin, neurologic ... Progressive symptoms of headache ... cognitive impairment, neurologic
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Erythematous, macular ... Differential Diagnosis ... hypertension, lower extremity ... • Headache, mild ... Erythematosus #Diagnosis
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
cough, chills, headache ... especially the CNS ... MC: CNS CSF: • ... osteoarticular, pulmonary, ocular ... : • Serology for