46 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
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Interpretation Table TSH ... Endocrinology #Hyperthyroid ... #Hypothyroid #Function ... Comparison #Table #TSH
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 #
Diagnosis of Primary Amenorrhea
A diagnostic approach to primary amenorrhea. (FSH = follicle-stimulating hormone; LH = luteinizing
Diagnosis of Primary ... (FSH = follicle-stimulating ... luteinizing hormone; TSH ... = thyroid-stimulating ... #Differential #Algorithm
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
• Insomnia Primary ... stimulators • TSH-producing ... Diagnosis: • ↓ Low TSH ... or Thyrotropin (TSH ... • Labs: - ↓ TSH
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Differential Diagnosis Algorithm ... Positive anti-TSH ... Multinodular Goiter - TSH ... Excess: • TSH-Secreting ... endocrinology #causes
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, normal ... • Low TSH, high ... T4 +/- T3 → Primary ... High or normal TSH ... Hyperthyroidism #algorithm
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach ... or tertiary) ↓TSH ... Hypothyroidism ↑TSH ... obtain TPOAb Euthyroid ... endocrinology #hypothyroid
Primary Amenorrhea Differential Diagnosis Framework

Workup:
 • β-HCG, TSH and PRL
 • Breast Tanner Staging
 • FSH,
Primary Amenorrhea ... Workup: • β-HCG, TSH ... Tanner Staging • FSH ... khudhur_moh #Primary ... obgyn #gynecology #algorithm
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Prolactin + Normal TSH ... + Normal/ Low TSH ... Prolactin + High TSH ... • Primary Hypothyroidism ... Endocrinology #Causes