24 results
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
Myasthenia Gravis ... Signs, Symptoms ... have myasthenia gravis ... eye movements #Diagnosis ... LikelihoodRatios #PhysicalExam
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
such as cogan sign ... and the ice pack test ... include a Tensilon test ... #PhysicalExam # ... ophthalmology #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... /Edrophonium test ... - Peek sign 2. ... precipitated by: Drugs, infection ... #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... vomiting, auditory symptoms ... symptoms/signs, ... nystagmus - Infection ... Glomus Tumors - Vascular
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
CMV infection: virus ... or signs. ... pp65 antigenemia test ... 50 or less: • Neurologic ... #symptoms
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Postsynaptic: Myasthenia Gravis ... Lack of UMN/LMN signs ... myopathies, the muscular ... #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... meningitis), MCC CNS symptoms ... and diplopia) • Vascular ... #management #signs ... #symptoms #rheumatology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... syndrome, Myasthenia gravis ... Manifestations #diagnosis ... #neurology #symptoms ... #signs
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
history of viral infection ... Vascular disorders ... signs or symptoms ... #differential #diagnosis ... #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... Differential Diagnosis ... • Provocative Tests ... absent anal wink test ... #causes #neurology