432 results
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Function Test Interpretation ... Free T4, Free T3 ... Endocrinology #Hyperthyroid ... #Hypothyroid #Function ... #FreeT4 #Labs #Interpretation
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH - Differential ... Diagnosis Algorithm ... Thyrotoxicosis • T3 ... #Diagnosis #Algorithm ... #Hypothyroid #Hyperthyroid
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Tests (TFTs) and Interpretation ... Free T4, Free T3 ... • T3 Uptake ... #Tests #TFTs #Interpretation ... laboratory #patterns #differential
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders - Differential ... Diagnosis Algorithm ... Thyroid #Disorders #Differential ... #Diagnosis #Algorithm ... #Hypothyroid #Hyperthyroid
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
high; in some cases ... , T3 is elevated ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
low TSH, High T4/T3 ... ) - Diagnostic Algorithm ... Hyperthyroidism #Hyperthyroid ... #Diagnosis #Algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... Bone Resorption: Hyperthyroid ... #Diagnosis #Algorithm ... #causes #endocrinology
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Hyperthyroidism - Differential ... Diagnosis and Workup Algorithm ... ↑↔TSH, ↑Total T3 ... Hyperthyroidism #Differential ... #Diagnosis #Algorithm
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
normal T4 +/- T3 ... TSH, high T4 +/- T3 ... TSH, high T4 +/- T3 ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Edema - Differential ... Diagnosis Algorithm ... • Myxedema (Hypothyroid ... #Causes