Chapter 51: The Child with an Endocrine or Metabolic Alteration Flashcards
Manifestations include irritability, tachycardia, increased appetite without weight gain, prominent eyes, hypertension
neonatal Graves disease
Thyroxine (T4) and TSH levels vary with _______
age
An infant with a _____ T4 and a TSH value exceeding _______ mU/mL is considered to have primary/congenital hypothyroidism.
low, 40
In phenylalanine hydroxylase deficiency (PAH), metabolic alterations usually start _____________ but may not be noticed until approximately _____________.
immediately, 3 months
A water deprivation test is stopped immediately if the child loses ___% or more from baseline weight, has intolerable ___________, shows signs of ____________, or has significant ________________ changes or _____________ status change.
5, thirst, dehydration, vital sign, neurologic
metabolic disorder that results in an abnormal buildup of gangliosides on neurons
Tay-Sachs disease
In diagnosing precocious puberty, __________________ can locate tumors or cysts in adrenal gland or ovaries and can show signs of puberty changes in ovaries and uterus.
pelvic ultrasound
hormone that stimulates cell growth and reproduction
growth hormone (GH)
While treating a child with congenital hypothyroidism, parents should be educated about manifestations of ________________
hyperthyroidism
In acquired hypothyroidism, the body produces autoantibodies called _________________ that bind to receptor sites in thyroid and decrease production of _______ and _________.
TSH receptor blockers, T3, T4
third-line (final) treatment of Graves disease
subtotal or partial thyroidectomy
Graves disease is caused by autoantibodies called ________________ which stimulate the thyroid to produce T3 and T4
thyroid stimulating immunoglobulin (TSIs)
oral radioactive iodine is used in children older than ___________
10 years
GnRH blockers for precocious puberty are often administered by __________ every _________ or a ______________ implantation every ________.
IM injection, 1-3 months, subcutaneous, 1-2 years
Preschoolers are at an increased risk for hypoglycemia due to increased _____________ levels
energy
Treatment of precocious puberty is aimed at _____________________ or ______________ puberty development, involving _______________
stopping, reversing, GnRH blockers
Hormonal release is controlled by the _____________
circadian rhythm
growth hormone deficiency is defined as consistently poor growth (less than __ cm per year)
5
While GH deficiency can be idiopathic, it can also be associated with _____________, malformation of the ____________, brain ___________, and cranial _____________.
hypopituitarism, pituitary, tumors, radiation
Mild/early symptoms of hyponatremia include _______________, ________________, _____________, and ________________.
anorexia, headache, nausea, vomiting
stress hormone that stimulates the release of cortisol
adrenocorticotropic hormone (ACTH)
Injury to the parathyroid gland can result in _______________.
hypocalcemia
most common cause of syndrome of inappropriate antidiuretic hormone (SIADH) is inappropriate use of ____________ in treatment of diabetes insipidus (DI)
vasopressin
Manifestations for growth hormone deficiency include height below ____ percentile for age and sex, diminished growth rate (__ standard deviations below mean), hypoglycemia, delayed puberty, diminished muscle mass with increased body mass, and micropenis.
5th, 2
first-line treatment of Graves disease
medication: methimazole
type of diabetes insipidus (DI) in which the kidneys are insensitive to vasopressin
nephrogenic diabetes insipidus (DI)
Manifestations include goiter, increased appetite, weight loss, nervousness, heat intolerance, diarrhea, muscle weakness, increased heart rate, palpitations, tremors, exophthalmos, poor attention span, and behavior problems
hyperthyroidism or Graves disease
In a water deprivation test, normally, urine output _________ and specific gravity _____________. In a patient with diabetes insipidus (DI), large amounts of ______________ are produced, and serum ____________ level increases.
decreases, increases, dilute urine, sodium
The endocrine system is (more, less) developed at birth than any other system
less
methimazole works by _____________________
blocking thyroid hormone production
Lab studies for syndrome of inappropriate antidiuretic hormone (SIADH) may show hypo_______, hypo________, and low serum ____________.
natremia, chloremia, osmolality
The treatment PLAN for congenital adrenal hyperplasia (CAH) includes frequent _____________________ and ___________ plan that usually involves a __________ or ____________ dose of ________________ replacement.
endocrinologist reevaluations, sick-day, doubled, triple, glucocorticoid
In diagnosing precocious puberty, _____ and ______ can identify any pituitary gland tumors
CTs, MRIs
hormone that stimulates thyroid to release hormones to regulate energy use
thyroid stimulating hormone (TSH)
The medication ____________ can be given to some individuals with phenylalanine hydroxylase deficiency (PAH) to lower the circulating levels of phenylalanine (PHE).
sapropterin (KUVAN)
Neonatal Graves is caused by maternal transfer of _________________ across placenta to developing fetus
thyroid stimulating immunoglobulin (TSIs)
Phenylalanine hydroxylase deficiency (PAH) is tested within first _______ after birth, but the test is not ___________.
24 hours, diagnostic
Hyperthyroidism or Graves disease is more common in (boys, girls) with peak age of diagnosis between ____________ of age.
girls, 10-14 years
phase marked by lowered or normal BG levels and decreased need for insulin
honeymoon phase
deficiency in enzyme that converts galactose to glucose during digestion
galactosemia
most common form of diabetes insipidus (DI)
central diabetes insipidus (DI)
gonadotropin hormone that stimulates ovulation in females and production of testosterone in males
luteinizing hormone (LH)
May have no signs and symptoms or may present with skin mottling, large anterior fontanel, large tongue, distended abdomen, slow reflexes, or hypotonia
congenital hypothyroidism
other causes include infections, trauma, tumors, generalized seizures
syndrome of inappropriate antidiuretic hormone (SIADH)
_____________ precautions should be used when serum sodium level is less than 125 while treating syndrome of inappropriate antidiuretic hormone (SIADH)
Seizure
second-line treatment for Graves disease
oral radioactive iodine
very rare disorder that negatively affects metabolism of certain amino acids
maple syrup urine disease
Children with phenylalanine hydroxylase deficiency (PAH) should have lifelong monitoring of ________________ levels, and women who have phenylalanine hydroxylase deficiency (PAH) should have _____________________ before becoming pregnant.
phenylalanine (PHE), genetic counseling
Doses of DDAVP for diabetes insipidus (DI) should be timed so the child has a mild increase in ___________ to prevent _______________ and water _____________.
urination, overtreatment, retention
When treating Graves disease with oral radioactive iodine, results are seen in ______________ after treatment
6-18 weeks
While manifestations of hyperthyroidism or Graves disease are self limiting, cardiac ________ and _________ can occur if poorly treated or unrecognized.
failure, death
In treating syndrome of inappropriate antidiuretic hormone (SIADH) during period of severe hyponatremia, (fast, slow) IV infusions may be needed to avoid CNS damage.
slow
A late sign and long-term consequence of phenylalanine hydroxylase deficiency (PAH) is ______________ which results in __________________.
CNS damage, cognitive impairment