Endocrine Flashcards
viral or bacterial Thyroidits is known as:
De Qurvain’s thyroiditis
or
Subactue Thyroiditis
low Na
hight K
are typical of:
Addison Disease (low aldesterone)
Anterior localized neck pain
Tender thyroid gland are
classic finding of:
Subactue Thyroiditis (de Quervain’s thyroiditis)
tx for nephropathy in a diabetic pt is:
ACE-I
ARBs
Toxic Diabetes Insipidus is caused by:
Lithium poisoning
GI sx of DM:
gastroparesis
nocturnal diarrhea
Growth hormone excess that occurs before fusion of the epiphyseal growth plates
pituitary gigantism
typical glucose levels in pt with HHS is:
above 600
Addison (low alderstron) will have what effect on Na and K
High K
Low Na
Addsion is opposite to Conn
Initial test for Addison is:
Cosyntropin stimulation test
dry cold skin vs warm moist skin
dry cold skin > hypothyroidism
warm moist skin > hyperthyroidism
Hot nodules on Thyroids nuclear scan is a sign of:
toxic nodule and NOT a malignancy
side effects of Metformin include:
GI sx
Vitamin B deficiency
the main cause of HHS is
chronic dehydration
tx fo SIADH:
fluid restriction
Demeclycycline (ADH inhibitor)
Cardiovascular sx related to autonomic neuropathy:
Orthostatis hypotension with out increase in heart rate
SIADH causes
increased secretion of ADH
and
retention of H2O
ACTH dependent vs ACTH independent
ACTH dependent > overactive petuitary
ACTH independent > overactive adrenal
tx of Central Diabetes Insipidus is:
Desmopressin
ketone’s bodies seen in DKA are detected with:
UA dipstick
Diabetes Insipidus is:
low secretion of Antidiuretics Hormones by posterior petuitary
Intermediate acting insulin peaks
w/i 7 hours
Hyperosomlar hyperglycemic state is seen in
DM II
Dawn Phenomenone is seen in
DM I
MoA of Flozin
Increase FLOW of sugar via urine
flozin=sugar flow
Tx of Grave’s disease is:
Radioactive iodine
medical tx for hyperaldosteroonism is:
Spironolactone
Addison vs Con
low aldesterone> Addison
high aldesterone > Conn
Low Addison
Hight Conn
best diagnostic test for Cushing is:
24-h Urine free cortisol
Short acting insulin peaks w/i
few hours
Which electrolite defeciancy may lower Parathyroid function?
Mg
in Central Diabetes Insipidus, Desmopressin test will have what effect:
reduced urine production
increased urine osmolarity
High serum osmolarity and elevated BUN (azotemia)
are indicative of:
HHS
warm moist skin is a sx of:
Hyperthyroidism
diagnostic method for evaluating gastroparesis is:
Gastric scintigraphy with ingestion of readioactive labeled meal.
Endogenous Cushing syndrome is ACTH dependent or independed?
Dependent
caused by overactive petiutary gland
during Diabetic Ketoacidosis the anion gap is:
high
Addison’s disease is
HypoAdrenalism
lid lag is a sign of:
HyperThyroidism
Diabetic neuropathy that has cardiological implication?
Orthostatic hypotention (w/o compansatory HR increase)
increase risk of sudden cardiac death
ACT independent Cushing’s Syndrome is caused by:
overactive adrenal gland
Diplopia in a DM pt is usually a result of:
CN III neuropathy
episodic severe HTN and tacharrhythmia with headache is a signs of:
Pheochromocytoma
sx of Cushing Dz:
moon facies
retrocx fat pads (buffalo hump)
purple striations
hirsutism
Exophthalmos is unique to:
Grave’s Disease
pathophysiology of Cushing’s Disease
oversecretion of AdrenoCorticotropic (ACTH) >>
oversecretion of glucocorticoids by adrenal glands
medical tx of pheochromocytoma is:
alpha blockers (phenoxybenzamine) - BP control (always before beta blockers)
beta blockers - arrhythmia control
definitaive tx is Surgical removal
medicine that causes HypoThyroid:
Li
Amiodorone
Radioactive Iodine
GLP 1 receptor agonists are known as:
exogenious incritis
-tide-
antibody titers in Hypothyroidism and Hyperthyroidism
Hypothyroidism
Anti–microsomal/thyroid peroxidase antibodies (TPOAb)
Hyperthyroidism
thyrotropin receptor antibodies / anti TSH receptor
lab values for hypothyroidism
TSH up
T4 down
tx for Addison’s disease:
Prednisone (replaces cortisol)
+ Fludrocortisone (replaces aldesterone)
GLP-1 agonist
tide
are contraindicated in:
MEN-2 syndrome
Medullary thryoid cancer
Pancreatitis
one of the manifistation of gastroparesis is:
nocturnal diarrhea
Most common cause of Addison’s dz is:
autoimmune
Grave’s disease is manifested by the production of:
Thyroid Innunoglubulins/antibodies
which mimic action of TSH hormone and cause increased production of T3/T4
Petuitary adenoma produces what kind of visual sx:
bitemporal hemianopsia
Posterior Petuitary Hormones
Ocytocin
Antidiuretic
MoA of Dawn Phenomina is:
release of GH (b/e 3-8 am) > antagonises insulin > rapid rise of glucose (in the early morning)
Diabetic Ketoacidosis is seen in
Type I DM
SIADH has what impact of Na and urine osmolarity
Low serum Na (due to water retention)
High urine osmolarity (low urine secretion)
dexamethasone suppression test in a pt with Cushin’s disease will:
produce elevated levels of cortisol
MoA DPP-IV Inhibitors
act on Beta cells to increase insulin secretion
-gliptine-
best screening test for Cushing is:
late night cortisol test
Most common HypoThyroidism
hashimOto’s
hypOthyroidism=hashimOto
Antidiuretic Hormone is also known as:
Vasopressin
Ectopic ACTH syndrome is seen in :
Small Cell Lung Cancer
Carcinoid tumors
Islet cell tumors
During Diabetic Keotacidosis the cell produce
Ketone bodies through the process of lipolysis
containdications to Metformin is:
Lactic Acidosis
ETOH abuse
Before radiocontrast procedures
MoA of GLP-1
-tide-
act on Beta cells to increase insulin secretion
lab results in Diabetes Insipidus:
increased serum Na (caused by H2O loss)
decreased urine osmolarity (increased urine production)
diagnostic test for pheochromocytoma
elevated plasma or urinary metanephrine levles
ketones are not usually present in:
HHS
Conn’s syndrome is
Hypersecrection of Aldesterone
Aldesterone Coin
Genitourinary infections
Yeast infection
are side effects of:
Flozin
presence of
Anti–microsomal/thyroid peroxidase antibodies (TPOAb)
is indicative of:
Hypothyroidism
what effect hyperCortisol has on Na and K
High Na
Low K
abnormal level of Hormones in Addisons
Low Aldesterone
Low Cortisol
diagnostic test for HyperAldosteronism is:
level of aldosteron in a urine
Impact of Conn and Cushing’s on Na and K
Hight Na
Low K
Cushing’s and Conn have same effect on Na and K
key fetures of HHS is
neurological sx
loss of consioness, coma, awareness
dexamethasone test in a normal pt should:
supress ACTH and cortison
two classes of drug that act as incritins
GLP I (exogen incritins) - tides
DPP IV inhibiors (native incretin) - gliptins
lab values in Grave’s disease:
Low TSH
High T3/T4
presence of Thyroid Stimulating immunoglobulins
two malignancies associated with SIADH are:
Small Cell Lung CA
Pancreatic CA
DPP-IV Inhibitors are known as
ingenous incritins
most deadly thyroid cancer is:
Anaplastic thyroid carcinoma
primary goal in tx HHS is:
replenish fluids
Rapid Acting Insulin peaks
with in 1 hour
the impact of HyperAldesterone on K and NA
High Na
Low K
ADH causes:
low ADH results in:
ADH: retention of H2O
low ADH: results in H2O loss
DM I will have what genetic abnormality?
HLA-DR3 gene
tx for nephrogenic Diabetes Insipidus is:
Hydroclorothiazide (TZD diuretics)
Amiloride (K spareing diuretic)
bother reduce serum Na
Propylthiouracil vs Methimazole
Propylthiouracil > 1st trimester HyperThyroidsim
Methimazole > 2nd / 3rd trimester HyperThyroidsim
↓ TSH, exophthalmos, pretibial myxedema makes you think of
Grave’s Disease
most common Thyroid cancer is:
Papillary thyroid carcinoma
Best single test for the diagnosis of
acromegaly is:
Insulin-like growth factor-I (IGF-1)
sx of Addison’s Disease:
Salt craving
weight loss
Orthostati hypotention
skin pigementation
Treatment of hyperthyroidism during 2nd and 3rd trimester of pregnancy?
Methimazole
Most common cause of Cushing syndrome?
Exogenous glucocorticoid usage
Most common form of skeletal dysplasia is:
Achondroplasia
act on Beta cells to increase insulin secretion
known as exogen. incritins
GLP1 agonists
-tide-
Beta tide
Aldosterone is stimulated by
Angeotensin II
tx of DKA:
IV fluids
Insulin
correct high Potassium
Treatment of hyperthyroidism during 1st trimester of pregnancy?
Propylthiouracil
Sodium-Glucose Cotransporter 2 inhibotirs are known as
Flozin
MoA of ADH
inserts aquaporins into collecting ducts
urine osmolarity in Diabetes Insupidus vs SIADH
DI: low urine osmolarity
SIADH: high urine osmolarity
imaging modality to visualize pheochromocytoma:
CT/MRI
or Nuclear Scan (MIBG scintigraphy) as last option.
most common hormone hypersecretion during pituitary adenoma is:
Prolactin
hot nodule vs. cold nodule
cold nodule > more likely to be malignant
hot nodule > more likely to be benign
severe acute hypothyroidism is known as:
Myxedema Coma
gliptins are
tides are
GLIPTINS - DPP IV inhibitors
TIDES - GLP 1
inhibitor/antagonist of ADH is:
Demeclycycline
used in SIADH
tx of Diabetes Insipidus and SIADH
Diabetes Incipidus: Desmopressin (ADH analog)
SIADH: Demeclycycline (ADH inhibitor)
antagonist to aldesterone is:
Spirolactone
used in tx of Conn’s disease
MoA dexamethasone suppression test:
Dexamethasone (synthetic glucocorticoid) inhibits release of ACTH which stimulates the production of cortisol.
results:
low levels of cortisol: indicative of normal negative feedback
high levels of cortisol: indicative of malfunction of negative feedback; abnormal production of ACTH which results in high level of cortisol