21 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
A Pediculus humanus (louse) nymph. 
Specimen was alive and in the video you can actually see
Rich Davis, PhD, ... Pediculus #humanus #lice ... #clinical #microscopy ... #microbiology #
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
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Clinical Picture ... Ocular- 50%: Ptosis ... weakness, arms > legs ... Clinical DX: - ... Bedside: ice pack
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
think about three clinical ... Myasthenia gravis ... • Myasthenia gravis ... change • Contact lens ... Chalazion • Contact lens
Fusarium on Culture and Microscopy
Collecting a sample for culture from the eye is never fun, but
an eye = even less ... Rich Davis, PhD, ... Culture #Microscopy #clinical ... #microbiology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
PaCO2 decreases second ... capillary-alveolar interface • Less ... failure • There are gravity-dependent ... (eg, atrial or ventricular
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
dropped P wave is less ... • This is a clinically ... • The ventricular ... QRS is wide and less ... escape, usually ventricular