4 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Can repeat labs ... → Radioactive Iodine ... #algorithm #diagnosis ... #endocrinology ... #TFTs #TSH #Interpretation
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Metastatic Follicular CA ... or Thyrotropin (TSH ... • Labs: - ↓ TSH ... #causes #diagnosis ... #differential #endocrinology
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
• ACTH • TSH ... Hypothyroidism) ... Ectopic GNRH, CRH ... #endocrinology ... #causes
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis Algorithm ... • Isolated TSH ... • Severe Iodine ... #endocrinology ... #causes