8 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Disease Hyperthyroidism ... high; in some cases ... uptake Hypothyroidism ... • Infantile hypothyroidism ... #hyperthyroid #differential
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
- Differential ... Diagnosis and Workup Algorithm ... • Exogenous thyroid ... #Differential # ... Diagnosis #Algorithm
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
stimulators • TSH-producing ... or Thyrotropin (TSH ... • Labs: - ↓ TSH ... #causes #diagnosis ... #differential #
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... - Differential Diagnosis ... Algorithm High ... #Diagnosis #Algorithm ... endocrinology #causes
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Differentiation of Causes ... of Hyperthyroidism ... loading • Ectopic thyroid ... struma ovarii) Generalized ... radionuclide #uptake #differential
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Algorithm - Systemic ... and Primary Causes ... failure/uremia TSH ... #causes
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis ... Algorithm Central ... • Isolated TSH ... • Severe Iodine ... endocrinology #causes
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Diagnosis Algorithm ... failure/uremia TSH ... • Hyperthyroidism ... secondary #systemic #generalized ... #causes