146 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
TSH low; free T4 ... high; in some cases ... TSH low; free T4 ... disease course #hypothyroid ... #hyperthyroid #
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Hypothyroid #Hyperthyroid
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... hypothyroidism Pathophysiology ... : • T4 deficiency ... leads to abnormal ... #Myopathy #pathophysiology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Differential Diagnosis Algorithm ... Anemias (MAHA) - Abnormal ... Cancer • Hypothyroid ... #Causes #Hematology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
(low TSH, High T4 ... ) - Diagnostic Algorithm ... Hyperthyroidism #Hyperthyroid ... #Diagnosis #Algorithm
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... Differential Diagnosis Algorithm ... • Hypothyroid ... #Dyslipidemia #Abnormal ... Differential #Diagnosis #Algorithm
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
T4 → Possibly Central ... T4 +/- T3 → Subclinical ... Low TSH, high T4 ... TSH, high T4 +/ ... Hyperthyroidism #algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Elevated PTH (High or normal ... Bone Resorption: Hyperthyroid ... Differential #Diagnosis #Algorithm ... #causes #endocrinology
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Differential Diagnosis Algorithm ... Tumor Increased T4 ... T4 and TSH • ... Differential #Diagnosis #Algorithm ... #causes #endocrinology
Causes of Chronic Pediatric Cough - Differential Diagnosis Algorithm
Poor Growth
 - Non-Specific CXR
Causes of Chronic ... Differential Diagnosis Algorithm ... Infection - Abnormal ... Differential #Diagnosis #Algorithm ... #Causes #Peds #