14 results
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... Increased TSH ... Illness Decreased TSH ... Toxicosis #TSH ... #Hypothyroid #Hyperthyroid
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Graves disease - TSH ... high; in some cases ... Toxic adenoma - TSH ... disease course #hypothyroid ... #hyperthyroid #
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, Low ... • Low TSH, normal ... • Low TSH, high ... TSH, high T4 +/ ... #algorithm #diagnosis
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... Positive anti-TSH ... Multinodular Goiter - TSH ... Excess: • TSH-Secreting ... endocrinology #causes
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
stimulators • TSH-producing ... Diagnosis: • ↓ Low TSH ... immunoglobulin (TSI ... or Thyrotropin (TSH ... • Labs: - ↓ TSH
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach ... or tertiary) ↓TSH ... ↑TSH, ↓FT4 • ... obtain TPOAb Euthyroid ... endocrinology #hypothyroid
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... ) - Diagnostic Algorithm ... concern for nodular thyroid ... #Hyperthyroid #
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
TSH • Microprolactinoma ... / Low TSH • Pituitary ... Prolactin + High TSH ... • Primary Hypothyroidism ... Endocrinology #Causes
Emergencies related to thyroid gland diseases are infrequently observed in the clinical practice. They are caused
They are caused ... in 1850 and the cause ... Both hypothyroid ... thyrotoxic storm (TS ... Therapy of TS is
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis Algorithm ... • Isolated TSH ... Panhypopituitarism Thyroid ... - Congenital Thyroid ... endocrinology #causes