8 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... Function Tests ... → Signs of ... symmetrically enlarged thyroid ... #algorithm #diagnosis
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Disease Hyperthyroidism ... high; in some cases ... iodine uptake Hypothyroidism ... disease course #hypothyroid ... #hyperthyroid #
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Systemic and Primary Causes ... Mellitus Liver Function ... /uremia TSH & T4 ... #causes
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... ) - Diagnostic Algorithm ... concern for nodular thyroid ... #Hyperthyroid #
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperthyroidism ... T3 • ↑ Free T4 ... Glucocorticoids: Reduce T4 ... #causes #diagnosis ... endocrinology #signs
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Mellitus Liver Function ... /uremia TSH & T4 ... : • Hypothyroidism ... secondary #systemic #generalized ... #causes
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... patients with hypothyroidism ... Pathophysiology: • T4 ... impairs musde function ... pathophysiology #signs
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
blocks receptor function ... - Autoimmune: thyroid ... nerve pathology - Generalized ... test - Cogan sign ... - Peek sign