11 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 ... spine L1-L5 Symptoms ... Diagnosis: • ... #syndrome #differential ... #diagnosis #causes
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Compression/injury of Lateral ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK ... pathophysiology #differential ... #diagnosis #signs
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... spine Signs / Symptoms ... not have to be bilateral ... #MSK #pathophysiology ... #diagnosis #symptoms
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
dysfunction occurring later ... Rabies - Eastern Equine ... (bulbar symptoms ... Rhombencephalitis #Differential ... #Diagnosis #Causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Lower motor neuron symptoms ... anterior horn gray ... involvement Cauda Equina ... #lesions #differential ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... Diagnosis Framework ... roots -> Cauda equina ... MCTD, Sjogren syndrome ... #neurology #differential
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... #Diagnosis #otology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Diagnosis: • ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... dysfunction to the bilateral
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Arboviruses: - West ... encephalitis, eastern equine ... Coltivirus Symptoms ... unilateral or bilateral ... influenzae Symptoms
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Cushing's Syndrome ... Hypercortisolism - Diagnosis ... dexamethasone suppression test ... #Cushings #Syndrome ... #signs #symptoms