205 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Evaluation of Hyperthyroidism ... TSH, Low normal T4 ... Low TSH, normal T4 ... Low TSH, high T4 ... normal TSH, high T4
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
the Diagnosis of Hyperthyroidism ... ↑Total T3/Free T4 ... ↔Total T3/Free T4 ... ↑Total T3/Free T4 ... ↔Total T3/Free T4
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... TSH low; free T4 ... iodine uptake Hypothyroidism ... positive • Ablative hypothyroidism ... • Infantile hypothyroidism
Algorithm for the diagnostic workup of hyperthyroidism. (T3 = triiodothyronine; T4 = thyroxine; TSH = thyroid-stimulating
diagnostic workup of hyperthyroidism ... triiodothyronine; T4 ... #hyperthyroidism
Thyroid Function Pathway 

Hypothyroidism is a very common condition! Here's a repost of the pathway that
Function Pathway Hypothyroidism ... is deficient in hypothyroidism ... that though it is HYPOthyroidism ... TSH and a low T4 ... is because if T4
Pharmaceutical Management of Hyperthyroidism / Thyroid Storm
Beta-Blockers 
• Decreases sympathetic hyperactivity 
• Partially blocks peripheral conversion
Management of Hyperthyroidism ... conversion of T4 ... conversion of T4 ... accompany storm #Hyperthyroidism
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
/uremia TSH & T4 ... : • Hypothyroidism ... • Hyperthyroidism
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... #Hyperthyroidism
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperthyroidism ... Manifestation of Hyperthyroidism ... Insomnia Primary Hyperthyroidism ... T3 • ↑ Free T4 ... Glucocorticoids: Reduce T4
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
/uremia TSH & T4 ... : • Hypothyroidism ... • Hyperthyroidism