19 results
Von Graefe's Sign - Graves' Eyelid Ophthalmopathy on Ocular Exam

Lagging of the upper eyelid on downward
Graefe's Sign - Graves ... the eye #Von #Graefes ... VonGraefes #Sign #Graves ... #PhysicalExam #ophthalmology ... endocrinology #hyperthyroidism
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Falciparum Blood Smear ... reticulocytes) - thin trophozoites ... P. falciparum causes ... Rich Davis, PhD, ... peripheral #clinical #microscopy
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... dissection, Myasthenia gravis ... Thyroid myopathy (Graves ... differential #diagnosis #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Myasthenia Gravis ... • Myasthenia Gravis ... Subdural Hemorrhage Grave's ... Ophthalmopathy • Hyperthyroidism ... #Ophthalmology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
for the neuro-ophthalmologic ... • Myasthenia gravis ... lesion of MLF) • Graves ... Differential #Diagnosis #Causes ... #Ophthalmology
Graves Disease - Autoimmune Hyperthyroidism
Epidemiology: Most common cause of hyperthyroidism, Incidence peaks at 30-50
Diagnosis: 
1 )
Graves Disease - ... Autoimmune Hyperthyroidism ... Epidemiology: Most common cause ... of hyperthyroidism ... @UTSWIMchief #Graves
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Differentiation of Causes ... of Hyperthyroidism ... increased uptake: • Graves ... differential #diagnosis #hyperthyroidism
Plasmodium falciparum trophozoites (and crenated red blood cells) - Blood Smear

A classic presentation of Plasmodium falciparum
Plasmodium falciparum trophozoites ... cells) - Blood Smear ... in a thin blood smear ... scalloped edge) Rich Davis ... peripheral #clinical #microscopy
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... • Myasthenia gravis ... - Hypo- or hyperthyroidism ... #differential #causes
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperthyroidism ... Manifestation of Hyperthyroidism ... diffuse goiter (Graves ... antibodies (TRAb) if Graves ... #causes #diagnosis