57 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... normal T4 +/- T3 ... TSH, high T4 +/- T3 ... ophthalmopathy → Graves ... TSH, high T4 +/- T3
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
a mass as the cause ... • Myasthenia Gravis ... Dislocation • Functional ... • Myasthenia Gravis ... Diagnosis #Algorithm #Causes
Oropharyngeal and Esophageal Causes of Dysphagia - Differential Diagnosis
Oropharyngeal Dysphagia
 • Neuromuscular causes: CVA/CNS tumor/ALS, Parkinson's,
and Esophageal Causes ... Parkinson's, Myasthenia gravis ... Non-relaxation of EG junction ... Achalasia, EG junction ... sclerosis - Functional
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Hyperthyroidism: • Graves ... high; in some cases ... , T3 is elevated ... low; free T4 and T3 ... low; free T4 and T3
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
diffuse goiter (Graves ... TSH • ↑ Total T3 ... antibodies (TRAb) if Graves ... ↑ FT4 and/or ↑ T3 ... hyperthyroidism #causes
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
neuromuscular junction ... blocks receptor function ... muscles: “myasthenic crises ... immunologic assay - MuSK ... Myasthenia Crises
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Neuromuscular junction ... Syndrome, Myasthenia Gravis ... Neuromuscular #Weakness #Causes
Graves Thyrotoxicosis on Thyroid POCUS

TSH 0.00. Free T3 26.5. Thyrotoxicosis from Graves. 

- VCU Ultrasound @ultrasound_vcu

#Graves
Graves Thyrotoxicosis ... on Thyroid POCUS ... Free T3 26.5. ... Thyrotoxicosis from Graves ... Thyrotoxicosis #Thyroid #POCUS
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Neuromuscular Junction ... • Myasthenia Gravis ... Diagnosis #Algorithm #Causes
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... neuromuscular junction ... More likely to cause ... glucocorticoids - can cause ... #Myasthenia #Gravis