14 results
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... Myasthenia gravis ... myasthenia gravis ... #Myasthenia #Gravis ... ophthalmology #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myasthenia Gravis ... Ocular- 50%: Ptosis ... Diagnosis - ... #Gravis #diagnosis ... #management #neurology
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... 50 years in men Diagnosis ... Symptomatic treatment Of ocular ... #Gravis #diagnosis ... #management #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... Myasthenia gravis ... Neurogenic Ptosis - Neurologic ... gravisOcular ... Syndrome #Ptosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Phrenic nerve injury ... Eaton Syndrome, Myasthenia ... Gravis, Organophosphate ... #differential #diagnosis ... #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... Sjögren syndrome, Myasthenia ... gravis, Many others ... Manifestations #diagnosis ... #neurology #symptoms
Summary of actions of some Cholinergic Agonists

Bethanechol 
• Used in treatment of urinary retention 
• Binds
Produces miosis during ... ocular surgery ... gravis • Used ... Edrophonium • Used for diagnosis ... of myasthenia gravis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
- Differential Diagnosis ... acetaminophen dosing ... weakness (GBS, Myasthenia ... gravis) - Obstructive ... #Summary #Nephrology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... HYPOVENTILATION • Rising ... respiratory drive due to neurologic ... injury or sedatives ... failure • There are gravity-dependent
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... Reversible, only during ... Traumatic brain injury ... glaucoma - Ocular ... ophthalmology #Neurology