11 results
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Weakness • Spinal ... Motor Nerves: ALS ... Eaton Syndrome, Myasthenia ... aminoglycosides) • Muscles: Acid ... #Causes #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... Generalized fatigue - ALS ... Serologic and EMG ... failure - Can be ... diagnosis #management #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Resp/Heme: CHF, valves ... Polyneuropathy, ALS ... NMJ disorder (Myasthenia ... Diagnosis #causes ... #neurology
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
serologic, and EMG ... More likely to cause ... or respiratory weakness ... glucocorticoids - can cause ... diagnosis #management #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
PCR 50% sensitive ... lung nodules, may also ... see skin lesions ... Lesions #Brain #differential ... #diagnosis #causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
And BMP Normal Values ... acidosis: - CNS ... Neuromuscular weakness ... (GBS, Myasthenia ... Diagnosis #Summary #Nephrology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Demyelinating disease caused ... symptoms such as ... #Infections #differential ... InfectiousDiseases #Neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... EMG: LMN Signs in ... Further testing must be ... conditions listed in differential ... Lateral #Sclerosis #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Bacterial Meningitis - Differential ... /l is regarded as ... Singh @rav7ks #CNS ... #diagnosis #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping ... Antibiotics (Bactrim, PCN ... only if no clear cause ... Bicarb<22) - avoid NS ... Treatment #potassium #nephrology