9 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Disease Hyperthyroidism ... high; in some cases ... uptake Hypothyroidism ... positive • Ablative hypothyroidism ... • Infantile hypothyroidism
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... • Low TSH, Low ... symmetrically enlarged thyroid ... → Radioactive Iodine ... #algorithm #diagnosis
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
stimulators • TSH-producing ... Diagnosis: • ↓ Low TSH ... or Thyrotropin (TSH ... • Labs: - ↓ TSH ... #causes #diagnosis
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... (↑↔TSH, ↑Total ... (↓TSH, ↔Total ... • Exogenous thyroid ... Differential #Diagnosis #Algorithm
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... Differential Diagnosis Algorithm ... Struma Ovarii #Hyperthyroidism ... Differential #Diagnosis #Algorithm ... endocrinology #causes
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... Radioactive iodine ... concern for nodular thyroid ... workup choices AND management
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
Algorithmic Approach ... Diagnosis and Management ... obtain TPOAb Euthyroid ... Differential #Diagnosis #algorithm ... #hypothyroid #Management
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis Algorithm ... • Isolated TSH ... Panhypopituitarism Thyroid ... • Severe Iodine ... endocrinology #causes
Polymyalgia Rheumatica (PMR) Diagnosis and Management Summary

WHAT?
 • Polymyalgia rheumatica (PMR) is a common systemic inflammatory
Diagnosis and Management ... disease of unknown cause ... degenerative diseases, hypothyroidism ... creatine kinase, and thyroid-stimulating ... hormone (TSH) levels