10 results
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Function Test Interpretation ... Table TSH, Free ... T4, Free T3 and ... #Hypothyroid #Function ... #TSH #FreeT3 #FreeT4
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
normal T4 → Possibly ... T4 +/- T3 → Primary ... , high T4 +/- T3 ... #algorithm #diagnosis ... #Interpretation
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... ; in some cases, ... iodine uptake Hypothyroidism ... disease course #hypothyroid ... #hyperthyroid #
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

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

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
goiter • Toxic diffuse ... T3 • ↑ Free T4 ... or Thyrotropin (TSH ... Glucocorticoids: Reduce T4 ... #causes #diagnosis
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Systemic and Primary Causes ... failure/uremia TSH ... & T4: • Hypothyroidism ... #causes
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Tumor Increased T4 ... , Decreased TSH ... • Hyperthyroidism ... Tumor Normal T4 ... #causes #endocrinology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... Endocrine • Hypothyroidism ... • Hyperthyroidism ... contraceptives • Hyperthyroid ... #causes
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Differential Diagnosis Algorithm ... failure/uremia TSH ... & T4: • Hypothyroidism ... • Hyperthyroidism ... #causes
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Differential Diagnosis Algorithm ... • Hyperthyroidism ... contraceptives • Hyperthyroid ... #causes