8 results
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... epidural hematoma • Infection ... Note: Surgical Emergency ... suspected, immediate MRI ... #symptoms #signs
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... Numbness • E - Emergency ... Diagnosis: • ... Imaging studies: • MRI ... #diagnosis #causes
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... with the same symptoms ... #redflags #signs ... #symptoms #differential ... #emergency #diagnosis
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... /Sepsis/Shock, Autoimmune ... Hypertension/Hypertensive emergency ... Neurological symptoms ... Reversible course Differential
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
symptom of something ... the mnemonic "Mi-T-C ... aneurysm) • Infection ... ESR ↑) • HTN emergency ... Comparison #Neurology #Diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
bouts of HTN Diagnostic ... • Bilateral signs ... and/or symptoms ... Transverse Myelitis Diagnosis ... management #neurology #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... Constitutional symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... 50 years • New headache ... • Progressive symptoms ... of headache, cognitive ... oligoclonal bands • MRI