90 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... normal T4 +/- T3 ... → Primary Hyperthyroidism ... symmetrically enlarged thyroid ... #algorithm #diagnosis
Algorithm for the diagnostic workup of hyperthyroidism. (T3 = triiodothyronine; T4 = thyroxine; TSH = thyroid-stimulating
Algorithm for the ... (T3 = triiodothyronine ... thyroxine; TSH = thyroid-stimulating ... #hyperthyroidism ... #algorithm #diagnosis
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Disease Hyperthyroidism ... iodine uptake; thyroid ... iodine uptake Hypothyroidism ... positive • Ablative hypothyroidism ... • Infantile hypothyroidism
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... ↑↔TSH, ↑Total T3 ... (↓TSH, ↔Total T3 ... • Exogenous thyroid ... Differential #Diagnosis #Algorithm
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
• Insomnia Primary ... thyrotoxicosis • T3 ... TSH • ↑ Total T3 ... ↑ FT4 and/or ↑ T3 ... : Reduce T4 -> T3
Pharmaceutical Management of Hyperthyroidism / Thyroid Storm
Beta-Blockers 
• Decreases sympathetic hyperactivity 
• Partially blocks peripheral conversion
Pharmaceutical Management ... of Hyperthyroidism ... conversion of T4 to T3 ... accompany storm #Hyperthyroidism ... #ThyroidStorm #Management
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Differential Diagnosis Algorithm ... Increased TSH • Hypothyroidism ... • Sub-clinical Hypothyroidism ... Recovery from Non-Thyroid ... Thyrotoxicosis • T3
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... low TSH, High T4/T3 ... ) - Diagnostic Algorithm ... concern for nodular thyroid ... workup choices AND management
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders ... Differential Diagnosis Algorithm ... Hypothyroidism ... Subclinical Hyperthyroidism ... @AmyChung #Thyroid
Evaluation of Secondary Hypertension
 • Primary aldosteronism - PRA, PAC
 • Renal artery stenosis - Renal
Hypertension • Primary ... metanephrines • Hypothyroidism ... - TSH, T3, fT4 ... • Hyperthyroidism