12 results
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
flaccid weakness Epidemiology ... : • 1-2 cases/ ... Clinical Features ... Diagnosis: • ... #Syndrome #diagnosis
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Syringomyelia, Tetanus, Transverse ... Poliomyelitis, Guillain-Barre ... aminoglycosides) • Muscles ... #differential #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
flaccid weakness Epidemiology ... Incidence: 1 to 2 cases ... transplantation CLINICAL ... fairly symmetric muscle ... and sensitive tests
Myositis Ossificans in vastus intermedius on POCUS after trauma - Transverse View

Young male with MMA injury
intermedius on POCUS ... What is diagnosis ... hypoechoic oval masses ... in muscle belly ... #muscle #msk #clinical
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
USMLE Epidemiology ... individual studies Clinical ... how related two values ... #Epidemiology # ... #calculations #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
dysfunction Epidemiology ... Myelitis - Clinical ... Myelitis Diagnosis ... negative, MOG-IgG test ... • Infectious causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... myelopathy • Transverse ... cord • Guillain-Barre ... lower extremity muscle ... #causes #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
in diminished muscle ... Myasthenia Epidemiology ... Respiratory muscles ... Bedside: ice pack test ... /Edrophonium test
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential Diagnosis ... to bolus these values ... / hypoxemia -> focus ... tests before beginning ... asthma - accessory muscle
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Hypercortisolism - Diagnosis ... and Clinical Features ... , oral cavity) Caused ... femoral head • Muscle ... dexamethasone suppression test