56 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
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH - Differential ... Diagnosis Algorithm ... Recovery from Non-Thyroid ... Thyrotoxicosis • T3 ... #Hypothyroid #Hyperthyroid
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function ... • T3 Uptake ... @DharSaty #Thyroid ... #Function #Tests ... laboratory #patterns #differential
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders ... - Differential ... Diagnosis Algorithm ... @AmyChung #Thyroid ... #Hypothyroid #Hyperthyroid
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
of Patients for Thyroid ... iodine uptake; thyroid ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Algorithm Elevated ... or normal): • Primary ... Bone Resorption: Hyperthyroid ... #Differential #
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... Function Tests ... → Primary Hyperthyroidism ... symmetrically enlarged thyroid ... Hyperthyroidism #algorithm
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
• Insomnia Primary ... TSH • ↑ Total T3 ... ↑ FT4 and/or ↑ T3 ... - Mild hypercalcemia ... causes #diagnosis #differential
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
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
- Differential ... Diagnosis Algorithm ... • Primary Hyperparathyroidism ... #Differential # ... Diagnosis #Algorithm