15 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... thyroid scan with focal ... iodine uptake Hypothyroidism ... disease course #hypothyroid ... #hyperthyroid #
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Alopecia) - General (Diffuse ... and Focal) Differential ... Endocrine • Hypothyroidism ... • Hyperthyroidism ... contraceptives • Hyperthyroid
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyperreflexia Focal ... spinal cord injury Generalized ... Hypermagnesemia, Hypothyroidism ... Guillain-Barré syndrome) Focal ... injury, Early ALS Generalized
Hypothyroidism and Hyperthyroidism - Symptoms and Signs
Hypothyroidism:
 - General - From asymptomatic to myxedema coma, “Like
Hypothyroidism and ... Hyperthyroidism ... ophthalmoplegia) • ± Diffuse ... MSc @AmyChung #Hypothyroid ... #Hyperthyroid #
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... #Hyperthyroidism ... #Hyperthyroid #
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... /uremia TSH & T4 ... : • Hypothyroidism ... • Hyperthyroidism ... secondary #systemic #generalized
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Differentiation of Causes of Hyperthyroidism ... struma ovarii) Generalized ... hormone stimulation Focal ... differential #diagnosis #hyperthyroidism
Hashitoxicosis

‘Leakage’ symptoms of active Hashimoto’s disease

- Hashitoxicosis (Htx) can occur during the initial hyperthyroid stage in
during the initial hyperthyroid ... thyroid hormone (hyperthyroidism ... enough of it (hypothyroidism ... Diffuse infiltration ... is depleted and hypothyroidism
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperthyroidism ... Manifestation of Hyperthyroidism ... goiter • Toxic diffuse ... T3 • ↑ Free T4 ... Glucocorticoids: Reduce T4
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... patients with hypothyroidism ... Pathophysiology: • T4 ... Rhabdomyolysis (rare) #Hypothyroid