29 results
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Table TSH, Free T4 ... 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 ... #Hypothyroid #Hyperthyroid
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
iodine uptake; thyroid ... procedure that ablates thyroid ... 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 ... ) - Diagnostic Algorithm ... concern for nodular thyroid ... Hyperthyroidism #Hyperthyroid ... #Diagnosis #Algorithm
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Volume (MCV) - Differential ... Diagnosis Algorithm ... Anemias (MAHA) - Abnormal ... Cancer • Hypothyroid ... #Diagnosis #Algorithm
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... Pathophysiology: • T4 ... deficiency leads to abnormal ... Rhabdomyolysis (rare) #Hypothyroid
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... T4 → Possibly Central ... Low TSH, high T4 ... symmetrically enlarged thyroid ... Hyperthyroidism #algorithm
Approach to Hypoproliferative Macrocytic Anemia

 • 812, Folate Deficiency
 • MDS+
 • Hypothyroid
 • Liver Disease
Deficiency • MDS+ • Hypothyroid ... Macrocytic #Anemia #differential ... #diagnosis #algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... Elevated PTH (High or normal ... Bone Resorption: Hyperthyroid ... #Diagnosis #Algorithm