25 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 ... , Symptoms and Testing ... eye movements #Diagnosis ... LikelihoodRatios #PhysicalExam ... #Testing
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Diplopia TIER 1-CRITICAL ... , Orbital apex syndrome ... Miller-Fisher syndrome ... #differential #diagnosis ... #ophthalmology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Her clinical exam ... In-office testing ... #PhysicalExam # ... clinical #video ... #ophthalmology #
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Clinical Picture ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test ... #diagnosis #management
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Guillain-Barre syndrome ... heavy metals), Critical ... , Myasthenia Gravis ... poisoning, Scorpion sting ... #differential #diagnosis
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... think about three clinical ... diagnoses associated ... Myasthenia gravis ... #ophthalmology
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... Pathogenesis and clinical ... elbow flexion test ... Hypothenar muscle wasting ... #Diagnosis #pathophysiology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
presence of metabolic syndrome ... sought to support a diagnosis ... Areas of diagnostic ... decision for repeat testing ... #Differential #Diagnosis
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... while the examiner grasps ... #Pivot #Shift #PivotShift ... #Injury #clinical ... #video #PhysicalExam
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... (Clinical Dx). ... Positive pathergy test ... is a skin prick test ... inhibitors • Uveitis- Ophthalmology