DIAGNOSTIC TEST FOR ENDOCRINE DISORDERS.pptx

ENDOCRIN E DISORDER S

Diagnostic Test For Thyroid Disorder   Thyroid

function test 1.  Thyroid stimulating hormone assay   : hypofunction of the thyroid gland; primary hypothyroidism   :pituitary disorder; hyperthyroidism   Thyroid antibodies   : thyroiditis   T3T4 Radioimmunoassay   : hyperthyroidism   : hypothyroidism

Diagnostic Test For Thyroid Disorder Radioactive

odine !pta"e#R$!%   : hyperthyroidism; urine: hypothyroidism  :hypothyroidism; urine: hyperthyroidism &atient teaching  Radioactive dose is small and harmless  'ontraindicated in pregnancy  (eafoods may elevate results  Drug that may elevate results: barbiturates) estrogen) lithium) phenothia*ines  Drug that may decrease result: +ugol,s solution) saturated solution of potassium iodide#((-%) antithyroid) cortisone) aspirine) antihistamine.  'ollect 4hr urine specimen after oral tracer dose given

Diagnostic Test For Thyroid Disorder Free

thyro/ine concentration  T3 risen upta"e  Thyroid binding globulines   : hyperthyroidism   : hypothyroidism

Diagnostic maging (tudies   Thyroid

scan  Radioactive iodine ta"en orally; dose is harmless  (canning done after 4hrs  $void iodine containing foods) dyes) medications  'old nodules: cancer  0ot nodules: benign !T2no special preparation R cannot be done in pt 5ith metal implants  $ssess for allergy to contrast media

Diagnostic Test For &arathyroid Disorders   Total

serum calcium  6enous blood is collected  ncrease: hyperparathyroidism  Decrease: hypoparathyroidism 7ualitative urinary calcium#(ul"o5itch test%  'ollect urine specimen  Fine 5hite precipitate should form 5hen (ul"o5itch reagent is added to urine specimen  $bsent or decrease precipitate indicates lo5 serum calcium and hypoparathyroidism 7uantitative !rinary 'alcium#'a deprivation test%  'ollect 4 hr urine specimen  ncrease: hyperparathyroidism  Decrease: hypoparathyroidism

Diagnostic Test For &arathyroid Disorders (erum

phosphorus  'ollect venous blood specimen  ncrease: hypoparathyroidism  Decrease: hyperparathyroidism (erum al"aline phosphatase  'ollect venous blood specimen  ncrease: hyperparathyroidism  Decrease: hypoparathyroidism &arathormone #&T0% radioimmunoassay  'ollect venous blood  ncrease: hyperparathyroidism  8hen elevated in con9unction 5ith serum calcium levels) this is the most specic test for hyperparathyroidism

Diagnostic Test For $drenocortical Disorders 'ortisol

level 5ith de/amethasone suppression test  ive de/amethasone before phlebotomy to suppressdiurnal formation of $'T0  ncrease: &ituitary tumor) 'ushing,s syndrome or disease  Decrease $ddison,s disease 'ortisol plasma level  Fasting is re