30 results
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
in diminished muscle ... Respiratory muscles ... : “myasthenic crises ... immunologic assay - MuSK ... #diagnosis #management
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Syndrome, Myasthenia Gravis ... aminoglycosides) • Muscles ... Neuromuscular #Weakness #Causes
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
and Hypoxia - Pathophysiology ... reduction in ATP ... pathway away from ATP ... Phosphate is a cause ... respiratory #hypoxia #pathophysiology
Drugs associated with worsening of Myasthenia Gravis (MG):
•	D-penicillamine 
•	Botulinum toxin.
•	Telithromycin
•	Fluoroquinolones 
•	Quinine
•	Magnesium
•	Macrolide antibiotics 
•	Corticosteroids (may cause transient
of Myasthenia Gravis ... Corticosteroids (may cause ... Patients with MuSK-MG ... acetylcholinereceptor #muscle-specificreceptortyrosinekinase ... #AChR #MuSK #VC
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Diagnosis and Management ... Prevalence: 1-2 cases ... Person Syndrome Pathophysiology ... autoantibodies - TPO, TTG ... SPS #Diagnosis #Management
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... but 5% have anti—muscle-specific ... More likely to cause ... #Myasthenia #Gravis ... #diagnosis #management
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... • TMA’s (HUS/TTP ... Schistocytes - MAHA: TTP ... Treat primary cause ... #treatment #management
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
Diagnosis and Management ... nonimmune hemolysis MSK ... • Weakness • Muscle ... , or any other cause ... periodontitis • ITP
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Guillain-Barre Pathophysiology ... Fairly symmetric muscle ... • Respiratory Muscle ... Syndrome #diagnosis #management
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... - Causes progressive ... , muscle atrophy ... Escorial criteria uses ... neurology #diagnosis #management