17 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 ... Endocrinology #Hyperthyroid ... #Hypothyroid #Function
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
of Patients for Thyroid ... high; in some cases ... iodine uptake; thyroid ... disease course #hypothyroid ... #hyperthyroid #
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... Function Tests ... Hyperthyroidism → Signs ... symmetrically enlarged thyroid ... Hyperthyroidism #algorithm
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Systemic and Primary Causes ... Mellitus Liver Function ... /uremia TSH & T4 ... #causes
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
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Differential Diagnosis Algorithm ... • Myxedema (Hypothyroid ... Edema #anasarca #Generalized ... #Causes
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... Pathophysiology: • T4 ... impairs musde function ... Rhabdomyolysis (rare) #Hypothyroid ... pathophysiology #signs
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
T3 • ↑ Free T4 ... suspected • Thyroid ... Glucocorticoids: Reduce T4 ... hyperthyroidism #causes ... endocrinology #signs
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Differential Diagnosis Algorithm ... Abdominal cancer, Thyroid ... infections (STl) Generalized ... Differential #Diagnosis #Algorithm ... #Causes
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Differential Diagnosis Algorithm ... Mellitus Liver Function ... /uremia TSH & T4 ... secondary #systemic #generalized ... #causes