11 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
high; in some cases ... tissue • Subacute thyroiditis ... • Hashimoto thyroiditis ... disease course #hypothyroid ... #hyperthyroid #
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders ... Differential Diagnosis Algorithm ... Toxic Nodular • Thyroiditis ... @AmyChung #Thyroid ... #Hypothyroid #Hyperthyroid
Hashitoxicosis

‘Leakage’ symptoms of active Hashimoto’s disease

- Hashitoxicosis (Htx) can occur during the initial hyperthyroid stage in
during the initial hyperthyroid ... in Hashimoto’s thyroiditis ... that causes thyroid ... Diffuse infiltration ... - Thyroiditis
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... Early Hashimoto thyroiditis ... hashitoxicosis) • Thyroiditis ... • Exogenous thyroid ... Differential #Diagnosis #Algorithm
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
(low TSH, High T4 ... ) - Diagnostic Algorithm ... concern for nodular thyroid ... Hyperthyroidism #Hyperthyroid ... #Diagnosis #Algorithm
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
goiter • Toxic diffuse ... associated with thyroiditis ... T3 • ↑ Free T4 ... Glucocorticoids: Reduce T4 ... hyperthyroidism #causes
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Differential Diagnosis Algorithm ... - Autoimmune Thyroid ... Uptake - Subacute Thyroiditis ... Differential #Diagnosis #Algorithm ... endocrinology #causes
Subacute Thyroiditis

Also known as: de Quervain’s thyroiditis, granulomatous thyroiditis, or viral thyroiditis

What?
Postviral inflammatory process caused by
inflammatory process caused ... after onset Causes ... Thyrotoxic phase: ↑ T4 ... levels, ↓ TSH (2) Hypothyroid ... phase: ↓ T4 and
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Differential Diagnosis Algorithm ... Panhypopituitarism Thyroid ... - Congenital Thyroid ... Differential #Diagnosis #Algorithm ... endocrinology #causes
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... DIFFUSE Scarring ... contraceptives • Hyperthyroid ... Differential #Diagnosis #Algorithm ... #causes