6 results
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... lumbar spine • MCC ... syndrome (CES) ... - Emergency Causes ... #syndrome #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... PCR 50% sensitive ... Sarcoidosis • Neuro ... Lesions #Brain #differential ... #diagnosis #causes
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Unilateral Mydriasis: CN ... response, Serotonin syndrome ... Miosis: Horner's syndrome ... Stroke - Neuro
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Lower motor neuron ... - Upper motor neuron ... Impotence - Saddle ... involvement Cauda Equina ... #lesions #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
hearing loss, saddle ... ulcers, nodules • Neuro ... recent DAN) • EMG/NCS ... Goodpasture's cause ... #differential #
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... The evaluation should ... auditory nerve (CN ... cause unknown) ... II ○ Susac’s syndrome