29 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... No auditory symptoms ... Hearing loss. ... Long symptom-free
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Diagnosis Framework ... include a: • Neurologic ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... #Differential #Diagnosis
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
BEE Syndromes - ... Non-inflammatory Causes ... sensorineural hearing ... consistent with MS ... #Syndromes #neurology
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
tabes dorsalis (later ... with syphilis) Meaning ... Observe when patient closes ... : standing can be ... #neurology #diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
with vascular causes ... direction-changing on lateral ... Central #Vertigo #diagnosis ... findings #signs #symptoms ... #comparison #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... bilateral ... #MSK #pathophysiology ... #diagnosis #symptoms
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Lower motor neuron symptoms ... anterior horn gray ... #differential #diagnosis ... #neurology
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 ... - Emergency Causes ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
point inhibitors, bilateral ... ketoconazole, etomidate) Symptoms ... hypophysitis, Sheehan's syndrome ... A STIM test can ... ACTH STIM TEST:
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
dysfunction occurring later ... encephalitis, West ... (bulbar symptoms ... #Differential #Diagnosis ... #Causes #Neurology