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Metabolism (Pharm)
drug, definitions, and side effects
70
Pharmacology
Undergraduate 1
10/06/2013

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Term
What does ductless glands do?
Definition
secrete various hormones
Term
Hypothalamus secretes releasing hormones that.....
Definition
stimulate pituitary gland
Term
Endocrine disorders are caused by?
Definition
hypo and hyper secretions of hormones from the endocrine glands
Term
Drug therapy is...
Definition
hormone replacement or hormone suppression
Term
3 things that can cause hypothyroidism
Definition
*too little TRH released from the hypothalamus
*too little TSh secreted from pituitary
*too little T4 & T3 secreted by the thyroid gland
Term
Effects of severe hypothyroidism
Definition
*retarded growth & mental development in children

*myxedema coma in adults
Term
Throid treatment?
Definition
Hormone replacement therapy
Term
S/S of Hypothyroidism
Definition
dry skin
lack of energy
muscle weakness
slowed thinking processes
overweight
constipation
intolerance to cold- because metabolism is slow
Term
Drugs used to treat Hypothyroidism
Definition
Levothyroxine sodium (synthroid) -synthetic T4

Liothyronine sodium (Cytomel)- synthetic T3

Liotrix (Euthroid)- combination of T3 & T4
Term
Nursing Considerations for hypothyroidism
Definition
*daily life long therapy
*take before breakfast
*monitor for drug-induced hyperthyroidism (nervousness, insomnia, tachycardia+)
Term
_____________ &____________ decreases absorption of exogenous thyroid hormones
Definition
Iron and Estrogen
Term
___________ thyroid hormones decrease effectiveness of beta blockers, digoxin, insulin and oral anti-diabetic agents
Definition
Exogenous
Term
trade name Synthroid
Definition
works better than generic Levothyroxine
Term
Hyperthyroidism is caused by
Definition
*hypersecretion of T3 & T4 from thyroid gland
Term
Effects of hyperthyroidism
Definition
Thyrotoxicosis (grave's disease)- metabolic processes accelerated
Term
Treatment of Hyperthyroidism
Definition
*partial surgical removal of thyroid
*radiation of thyroid gland
*pharmacotherapy to block production or uptake of T3 & T4.
Term
S/S of Hyperthyroidism
Definition
nervousness & hyperactivity
Insomnia
tremors
weight loss
rapid heart rate
sweating
intolerance to heat
exophthalmos- bulging eyeballs **may have to use eye lubricants
Term
Nursing considerations for Hyperthyroidisms
Definition
*agents can cause hypothyroidism
*concomitant use of Lithium- increases occurrence of hypothyroidism
Thiomides- decrease wbc (monitor cbc, infections)
Thiomides- increase effects of Coumadin, digoxin, theophyllin
*iodine & iodine solutions cause discolor teeth, dilute and take after meals ++use straw
potassium iodine- do not used with ace inhibitors or potassium sparing diuretics (hyperkalemia)
exophthalmos- eye lubricants prevent corneal drying
Term
Diabetes Mellitus
Definition
chronic metabolic syndrome
Term
DM is caused by what?
Definition
*deficiency or absence of endogenous insulin secretion
*poor cellular utilization of endogenous insulin
Term
Chronic hyperglycemia
Definition
- cause damage to membrane of blood vessels
- increases risk of MI, CVA, RF, PVD
Term
Blood sugar measurement
Definition
fasting; below 100
100- 120 - prediabetic
Term
What does the A1C measure?
Definition
average glucose over 3 month period; normal 4-6
Term
DM Type 1 is also known as
Definition
Juvenile diabetes
Term
Dm Type 1
Definition
*reduced or absent endogenous insulin secretion
*due to autoimmune process; cox sickie virus
*10% of all diabetes
*rapid onset; before age 30
Term
DM Type 2
Definition
*90% of all diabetics
*after age 40
*genetic pre-disposition, obesity, sedentary lifestyle
*progressive disease
*early diet, weight management, oral anti-diabetic drugs
*later- insulin
Term
2 types of Exogenous Insulin
Definition
pork- taken from pancreas of a pig

human- made in lab
Term
Exogenous Insulin
Definition
*measured in international units per milliter
*insulin syringes 100 U/ml
*not given orally
*pre-filled pens
*insulin pumps (young child/young adult) *brittle diabetic*
*BS extremely high- decrease it rapidly by IV route
*Regular insulin is the only insulin given Iv
*meals conincide with insulin administration
Term
Hyperglycemia
Definition
poluyuria- increases urine output
polydipsia- increases thirst
polyphagia- increases hunger

Blood sugar increased: Glucocorticoids, Thiazide diuretic, Epinephrine
Term
Treament of Hyperglycemia
Definition
*acute- insulin
*chronic- oral antidiabetics and/ or insulin
*Diet
Term
Hypoglycemia
Definition
Nervousness
trembling
lack of coordination
cold, clammy skin
headache
if severe?- loss of consciousness
Term
Treatment of hypoglycemia
Definition
administer sugar, glucagon
Term
___________ measures glucose at intervals
Definition
Insulin pump
Term
There are two short acting insulin:
Definition
Lispro and Regular
Term
Lispro
Definition
onset: 5 min
Peak: 30 min- 1 hr
Duration: 2- 4hr
Term
Regular
Definition
onset: 30 min- 1hr
Peak: 2- 4 hr
duration: 6-8 hr
Term
Short acting insulins are what color?
Definition
Clear
Term
Patient must be fed at the ______.
Definition
Peak
Term
Intermediate-Acting Insulin
Definition
Lente (humulin L, Novolin L)

NPH (humulin N, Novolin N)
Term
Lente
Definition
Onset: 2- 4hr
Peak: 8- 12hr
Duration: 18-24hr
Term
Nph Insulin
Definition
onset: 1-2hr
Peak: 6-12hr
duration: 18-24hr
Term
Intermediate acting insulin
Definition
can be given alone or in combination with regular insulin
Term
Always draw up _____ to _______
Definition
clear to cloudy
Term
Lantus( insulin glargine) is _________.
Definition
peakless
Term
Lantus should be given at________.
Definition
bedtime
Term
Lantus duration:
Definition
24hr
Term
Levemir (insulin detemir)
Definition
peak: 6-8hr
duration: 24hr
Term
Long acting insulin
Definition
cant be mixed with other insulin in the same syringe
Term
Human Amylin Analog
Definition
Pramlintide(symlin)
*type 1 & type 2 diabetes with poor *glucose control with insulin therapy
*adjunct to insulin
*synthetic analog of hormone amylin
*suppresses secretion of glucagon
*injected SQ into abdomen or thigh
Term
Guidelines for oral antidiabetic therapy for type 2 diabetes
Definition
*onset age 40 or older
*diagnosis less than 5 yrs
*normal weight or overweight
*fasting blood sugar less than 200 mg/dl
*less than 40 units insulin per day
*normal renal and liver function
Term
Type 2 diabetes
Definition
stimulates beta cells in the Islets or Langerhans to release endogenous insulin.
Term
Sulfonylureas (oral antidiabetics)
Definition
sulfa based
hypoglycemia, weight gain and long term failure of the pancreas
bs significant decrease several weeks
Term
Examples of Sulfonylureas
Definition
Glyburide(diabeta, micronase); glipizide (Glucotrol)

onset: 15-30min
Peak: 1- 2hrs
duration: 24hrs
Term
Meglitinides (oral antidiabetics)
Definition
similar in action to sulfonylureas; not in structure

take 3 times a day

less incidence of hypoglycemic reactions+++++

can be taken alone or in combination with Metformin
Term
Examples of Meglitinides
Definition
*Nateglinide (starlix)
*Repaglinide (prandin)

****Peaks in a hour****
Term
Biguanides
Definition
reduce insulin resistance which makes cells more open to receive insulin
Term
Effects of Biguanides
Definition
decrease hepatic glucose output
decrease intestinal glucose absorption
increase peripheral glucose utilization
Term
Nursing considerations for Biguanides
Definition
monitor liver function
give 2-3x per day with meals
++++hypoglycemia is not a problems with this drug because it is given with meals!++++
Term
Example of Biguanide
Definition
Metformin ( Glucophage)
Term
TZD
Definition
reduces insulin resistance
Term
TZD's
Definition
increase cellular utilization of insulin
decrease hepatic glucose output
Term
Nursing considerations for TZD's
Definition
monitor liver enzymes regularly
Term
Examples of TZD
Definition
Pioglitazone(Actose)
Rosiglitazone(Avandia)
Term
Rogiglitazone(Avandia)
Definition
taken of the market because of increased MI, and CVA's
Term
Alpha Glucosidase Inhibitors
Definition
slow drug absorption
Term
Alpha Glucosidase Inhibitors
Definition
taken with first bite of meal
can cause hypoglycemia if taken alone; not if taken with sulfonylureas or meglitinides
Term
examples of Glucosidase Inhibitors
Definition
Acarbose (precose)
Migitol (Glyset)
Term
Combination oral therapy
Definition
reduces the amount of insulin needed
Term
OTC herbs that lower blood sugar levels
Definition
bilberry
black cohosh
chromium++
cinnamon
garlic
ginseng
Term
Nursing considerations for insulins
Definition
schedule meals at peak of the action
giving fast and intermediate in the same syringe ++draw clear to cloudy
Long acting insulins cannot be mixed with other insulins in the same syringe
give intermediate acting shortly after drawing up
only short acting has a sliding scale
rotate injection sites
you can only give regular insulin IV
you perform capillary blood glucose fingersticks
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