19 results
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... Gravis on Physical ... Her clinical exam ... cogan sign and the ice ... #PhysicalExam #clinical
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... think about three clinical ... change • Contact lens ... Chalazion • Contact lens ... Ptosis #neurology #Differential
Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when the more affected
in Myasthenia Gravis ... the ptosis in less ... Sign #Myasthenia #Gravis ... #PhysicalExam #clinical ... ophthalmology #ocular
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Clinical Picture ... Ocular- 50%: Ptosis ... weakness, arms > legs ... life-threatening Differential ... Bedside: ice pack
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
in Myasthenia Gravis ... the ptosis in less ... Sign #Myasthenia #Gravis ... #PhysicalExam #clinical ... ophthalmology #ocular
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
in Myasthenia Gravis ... the ptosis in less ... Sign #Myasthenia #Gravis ... #PhysicalExam #clinical ... ophthalmology #ocular
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm Clinical ... • Myasthenia Gravis ... Error • Cataract/Lens ... #DoubleVision #Differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
- Serum BDG: Sens ... cut-offs defined in clinical ... BAL GM does not differentiate ... - Frozen ice-pops ... Fungal #Biomarkers #BetaDGlucan
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
cut-offs defined in clinical ... >90% (In most clinical ... in BAL does not differentiate ... Penicillium), Frozen ice-pops ... blood products #BetaDGlucan
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... capillary-alveolar interface • Less ... failure • There are gravity-dependent ... (eg, atrial or ventricular ... Failure #hypoxia #Differential