20 results
#Thyroxine and the Heart
#Cardiovascular Effects of Hyperthyroidism
#Thyroxine and the
Thyroid storm is a rare and life-threatening condition characterized by an acute exacerbation of thyrotoxicosis (elevated
triiodothyronine or free thyroxine ... triiodothyronine #thyroxine
ECF
Cell membrane
Cytosol
#Insulin
P
#Tyrosinekinase
P
#IRS-1
#Phosphorylated #tyrosine residues
Phosphorylated #tyrosine
Algorithm for the diagnostic workup of hyperthyroidism. (T3 = triiodothyronine; T4 = thyroxine; TSH = thyroid-stimulating
triiodothyronine; T4 = thyroxine
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Uptake • Free Thyroxine
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
• Exogenous thyroxine
Thyroid gland
SIH TRH
Follicular cells
Capillaries
HVL
TSH
T4
Thyroxine (tetraiodothyronine)
5 -lodinase
Colloid
#Triiodothyronine
#lodine uptake, hormone synthesis and secretion
see Fig.
95つ
Metabolism, growth, maturation, etc.
HVL TSH T4 Thyroxine
SUMMARY FOR YOUR NOTES:
- The thyroid appears as an epithelial proliferation of the floor of the
even see some thyroxine
Emergencies related to thyroid gland diseases are infrequently observed in the clinical practice. They are caused
are high-dose L-thyroxine
Pemberton’s Sign in a Patient with a Goiter- Physical examination revealed an enlarged thyroid with no
level of free thyroxine