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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 ... iodine uptake; thyroid ... iodine uptake; thyroid ... disease course #hypothyroid ... #hyperthyroid #
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

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

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperdefecation • Anterior neck ... with circulating thyroid ... T3 • ↑ Free T4 ... suspected • Thyroid ... Glucocorticoids: Reduce T4
Hypothyroidism and Hyperthyroidism - Symptoms and Signs
Hypothyroidism:
 - General - From asymptomatic to myxedema coma, “Like
Fatigue - Face/Neck ... Reflexes - Face/Neck ... osculating over thyroid ... MSc @AmyChung #Hypothyroid ... #Hyperthyroid #
Airway Intubation Confirmation on POCUS
Linear probe is placed on anterior neck at the level of the
Confirmation on POCUS ... placed on anterior neck ... the level of the thyroid ... #Confirmation #POCUS
Subacute Thyroiditis on POCUS
Elderly male, malaise, low energy. Anterior neck pain, feeling very unwell 3/52. No
Thyroiditis on POCUS ... Anterior neck pain ... tender anterior neck ... POCUS provided clue ... Thyroid edematous
Subacute Thyroiditis

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

What?
Postviral inflammatory process caused by
in viruses and thyroid ... changes → The thyroid ... Thyrotoxic phase: ↑ T4 ... levels, ↓ TSH (2) Hypothyroid ... phase: ↓ T4 and
Esophageal Foreign Body on POCUS

A linear probe placed over anterior neck, left of midline & just
Foreign Body on POCUS ... over anterior neck ... midline & just below thyroid ... Foreign #Body #POCUS ... clinical #ultrasound #neck
Neck Lymph Nodes on POCUS

Neck mass or swelling? POCUS is a good first test to distinguish
Neck Lymph Nodes ... on POCUS Neck ... POCUS is a good ... Lymph node or thyroid ... #Lymph #Nodes #Neck