21 results
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function ... Table TSH, Free T4 ... Condition #Diagnosis #Endocrinology ... #Hyperthyroid # ... Hypothyroid #Function
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Differential Diagnosis Algorithm ... Increased TSH • Hypothyroidism ... • Sub-clinical Hypothyroidism ... #Hypothyroid #Hyperthyroid ... #Endocrinology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... high; in some cases ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis #endocrinology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... ) - Diagnostic Algorithm ... #Hyperthyroid # ... #Workup #Endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... TSH, Low normal T4 ... Low TSH, normal T4 ... #algorithm #diagnosis ... #endocrinology
Hypothyroidism and Hyperthyroidism - Symptoms and Signs
Hypothyroidism:
 - General - From asymptomatic to myxedema coma, “Like
Hyperthyroidism ... ophthalmoplegia) • ± Diffuse ... MSc @AmyChung #Hypothyroid ... #Hyperthyroid # ... Signs #Diagnosis #endocrinology
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... patients with hypothyroidism ... Pathophysiology: • T4 ... impairs musde function ... Rhabdomyolysis (rare) #Hypothyroid
Hashitoxicosis

‘Leakage’ symptoms of active Hashimoto’s disease

- Hashitoxicosis (Htx) can occur during the initial hyperthyroid stage in
during the initial hyperthyroid ... thyroiditis that causes ... enough of it (hypothyroidism ... Diffuse infiltration ... Hashitoxicosis #Hashimotos #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
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Differential Diagnosis Algorithm ... • Hyperthyroidism ... Challenge • Functional ... #endocrinology ... #causes