24 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
Fusarium on Culture and Microscopy
Collecting a sample for culture from the eye is never fun, but
on Culture and Microscopy ... an eye = even less ... & reverse) 2) microscopic ... Rich Davis, PhD, ... #clinical #microbiology
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
A Pediculus humanus (louse) nymph. 
Specimen was alive and in the video you can actually see
Rich Davis, PhD, ... Pediculus #humanus #lice ... #clinical #microscopy
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
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
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
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