272 results
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function ... Free T4, Free T3 ... • T3 Uptake ... DharSaty #Thyroid #Function ... laboratory #patterns #differential
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Hyperthyroidism - Differential ... Diagnosis and Workup ... ↑↔TSH, ↑Total T3 ... (↓TSH, ↔Total T3 ... Hyperthyroidism #Differential
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Free T4, Free T3 ... #Hypothyroid #Function
Algorithm for the diagnostic workup of hyperthyroidism. (T3 = triiodothyronine; T4 = thyroxine; TSH = thyroid-stimulating
the diagnostic workup ... (T3 = triiodothyronine ... algorithm #diagnosis #workup
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... normal T4 +/- T3 ... Hyperthyroidism: Work-up ... TSH, high T4 +/- T3 ... TSH, high T4 +/- T3
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
low TSH, High T4/T3 ... affects diagnostic workup ... Diagnosis #Algorithm #Workup
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
in some cases, T3 ... low; free T4 and T3 ... low; free T4 and T3 ... low; free T4 and T3 ... #hyperthyroid #differential
Evaluation of Secondary Hypertension
 • Primary aldosteronism - PRA, PAC
 • Renal artery stenosis - Renal
Hypothyroidism - TSH, T3 ... resistant #Evaluation #workup
Bloating and Belching - Differential Diagnosis Framework and Workup
Phenotypes:
"The gastric bloater" - Gastric outlet obstruction, Gastroparesis,
and Belching - Differential ... Framework and Workup ... Accommodation disorders, Functional ... Bloating #Belching #Differential ... #Diagnosis #Workup
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... High Magnesium - Functional ... #Hypocalcemia #Workup ... #Differential #