14 results
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Resp/Heme: CHF, valves ... Polyneuropathy, ALS ... ), NMJ disorder ... (Myasthenia, LEMS ... Diagnosis #causes
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
an autoimmune disorder ... life-threatening Differential ... Generalized fatigue - ALS ... Serologic and EMG ... failure - Can be
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 - 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
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Non-neuromuscular disorder ... Postsynaptic: Myasthenia ... • Inflammatory disorders ... #Differential #
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... And BMP Normal Values ... acidosis: - CNS ... Neuromuscular weakness ... (GBS, Myasthenia
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
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
nervous system (CNS ... is important, as ... Inflammatory causes ... optica spectrum disorder ... #inflammatory #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Suspect in movement disorders ... Demyelinating disease caused ... #Infections #differential ... InfectiousDiseases #Neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
rapid onset of weakness ... that results in CNS ... Weakness: - Weakness ... diagnosis #management #neurology ... #differential