11 results
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Free T4, Free T3 ... Endocrinology #Hyperthyroid ... #Hypothyroid #Function ... #Tests #TFTs #Comparison
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Differential Diagnosis Algorithm ... Recovery from Non-Thyroid ... Thyrotoxicosis • Non-Thyroid ... Thyrotoxicosis • T3 ... #Hypothyroid #Hyperthyroid
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders ... Differential Diagnosis Algorithm ... @AmyChung #Thyroid ... Differential #Diagnosis #Algorithm ... #Hypothyroid #Hyperthyroid
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
of Patients for Thyroid ... iodine uptake; thyroid ... iodine uptake; thyroid ... disease course #hypothyroid ... #hyperthyroid #
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
low TSH, High T4/T3 ... ) - Diagnostic Algorithm ... concern for nodular thyroid ... Hyperthyroidism #Hyperthyroid ... #Diagnosis #Algorithm
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... Function Tests ... normal T4 +/- T3 ... symmetrically enlarged thyroid ... Hyperthyroidism #algorithm
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... hypothyroidism Pathophysiology ... impairs musde function ... Rhabdomyolysis (rare) #Hypothyroid ... #Myopathy #pathophysiology
Hashitoxicosis

‘Leakage’ symptoms of active Hashimoto’s disease

- Hashitoxicosis (Htx) can occur during the initial hyperthyroid stage in
during the initial hyperthyroid ... s disease, the thyroid ... make too much thyroid ... Eventually thyroid ... Endocrinology #Diagnosis #Pathophysiology
Thyroid Function Pathway 

Hypothyroidism is a very common condition! Here's a repost of the pathway that
Thyroid Function ... stimulate more T4/T3 ... /ambcarerx #Thyroid ... #Pathway #Pathophysiology
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach ... obtain TPOAb Euthyroid ... Differential #Diagnosis #algorithm ... endocrinology #hypothyroid