5 results
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... • Sub-clinical ... Hypothyroidism ... Thyrotoxicosis • T3 ... #Hypothyroid #Hyperthyroid
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... Tests in the Evaluation ... : Work-up similar ... of pregnancy, critical ... #algorithm #diagnosis
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Laboratory Evaluation ... Thyroid Disease Hyperthyroidism ... iodine uptake Hypothyroidism ... disease course #hypothyroid ... #hyperthyroid #
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... low TSH, High T4/T3 ... ) - Diagnostic Algorithm ... #Hyperthyroidism ... #Hyperthyroid #
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... patients with hypothyroidism ... deficiency leads to abnormal ... impairs musde function ... Rhabdomyolysis (rare) #Hypothyroid