57 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... iodine uptake Hypothyroidism ... • Infantile hypothyroidism ... disease course #hypothyroid ... #hyperthyroid #
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... #Hyperthyroidism ... #Hyperthyroid #
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Interpretation Table TSH ... , Free T4, Free ... Endocrinology #Hyperthyroid ... #Hypothyroid #Function ... Comparison #Table #TSH
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, Low ... normal T4 → Possibly ... T4 +/- T3 → Subclinical ... T4 +/- T3 → Primary ... , high T4 +/- T3
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... • Hypothyroidism ... • Sub-clinical Hypothyroidism ... Diagnosis #Algorithm #Hypothyroid ... #Hyperthyroid #
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
(↑↔TSH, ↑Total ... T3/Free T4) • ... (↓TSH, ↔Total ... T3/Free T4) • ... (↓TSH, ↑Total
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Diagnosis Algorithm Hypothyroidism ... Subclinical Hyperthyroidism ... Diagnosis #Algorithm #Hypothyroid ... #Hyperthyroid
Algorithm for the diagnostic workup of hyperthyroidism. (T3 = triiodothyronine; T4 = thyroxine; TSH = thyroid-stimulating
diagnostic workup of hyperthyroidism ... triiodothyronine; T4 ... = thyroxine; TSH ... #hyperthyroidism
Thyroid Function Pathway 

Hypothyroidism is a very common condition! Here's a repost of the pathway that
Function Pathway Hypothyroidism ... is deficient in hypothyroidism ... diagnosed with a HIGH TSH ... more and more TSH ... dose based on TSH
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
stimulators • TSH-producing ... Diagnosis: • ↓ Low TSH ... T3 • ↑ Free T4 ... or Thyrotropin (TSH ... Glucocorticoids: Reduce T4