- Management
- diet therapy and weight loss
- the total number of calories is individualized according to the client's weight
- as prescribed by the care provider, the client may be advised to follow dietary guidelines for Americans (food guide pyramid) or individualized food exchanges from the American Diabetic Association
- exercise
- lowers glucose level and improves circulation
- decreases total cholesterol and triglycerides
- instruct client to monitor glucose before exercising
- before exercise, clients who require insulin should eat a carbohydrate snack with protein to prevent hypoglycemia
- insulin
- used in type 1 diabetes mellitus (DM) and type 2 DM, if needed for better control of blood glucose levels
- regular insulin, the only insulin that is given IV, is used for ketoacidosis
- check other medications the client is taking
- illness, infections, and stress increase the need for insulin
- instruct client about the importance of rotating injection within one region (the abdomen absorbs insulin the most rapidly)
- insulin administration: see Pharmacology section of this course
- insulin pens, jet injectors, and insulin pumps are used to administer insulin
- oral antidiabetic medications
- prescribed for clients with type 2 DM
- monitor blood glucose levels
- check other medications the client is taking
- instruct the client to recognize manifestations for hypoglycemia and hyperglycemia
- pancreas transplant
- islet cell transplant
- blood glucose monitoring - with different self-check systems
- Medications
- type 1 DM: insulin therapy
- type 2 DM: oral hypoglycemic agents
- Complications
- hypoglycemia(insulin shock)
- blood sugar falls below 50 mg / dl
- caused by too much insulin, too little food, or excessive physical activity
- may result from delayed meals, exercise, or vomiting
- rapid onset
- findings of insulin shock
- diaphoresis; cold, clammy skin
- anxiety, tremor, slurred speech
- weakness
- nausea
- mental confusion, personality changes, altered LOC
- headache
- management of hypoglycemia
- if client is conscious, give oral sugar: hard candy, honey, Karo syrup, jelly, cola
- if unconscious: give one mg glucagon IM, IV or subcutaneous (SC); or 20 to 50 ml 50% dextrose IV push
- diabetic ketoacidosis (DKA) - an acute complication
- results from severe insulin deficiency
- findings
- blood sugar levels > 350 mg/dl
- elevated ketone levels: sweet odor to breath may also have odor of someone drinking alcohol
- metabolic acidosis: Kussmaul's respirations, flushed appearance, dry skin
- thirst
- polyuria
- drowsiness
- anorexia, vomiting
- may lead to shock and coma
- usual causes:
- undiagnosed diabetes mellitus
- inadequacy of prescribed therapy for diabetes mellitus
- physical stress such as surgery, illness, or trauma in person with diabetes mellitus
- caused by increased gluconeogenesisfrom amino acids and glycogenolysis in the liver
- management:
- correct fluid depletion - IV fluids
- correct electrolyte depletion - replacement particularly of potassium
- correct metabolic acidosis - insulin IV
- hyperglycemic, hyperosmolar nonketotic coma (HHNKC)
- potentially fatal
- findings
- severe hyperglycemia; usually > 600 mg/dl
- plasma hyperosmolarity
- dehydration
- altered LOC - decreased
- absence of ketoacidosis
- usually precipitated by physical stress such as an infection;
- in non-diabetics can be due to tube feedings without supplemental water, or too rapid rate of infusion for parenteral nutrition
- occurs more often in the elderly, typically
- expected: to correct fluid depletion, insulin deficiency, and electrolyte imbalance
- other chronic complications
- diabetic triopathy
- macrovascular disease in the
- coronary artery
- peripheral vascular
- Nursing interventions
- give medications as ordered
- monitor for findings of hyperglycemia or hypoglycemia
- help client monitor blood glucose
- refer client to dietician for planing of meals
- support client emotionally
- teach client
- the importance of balanced, consistent daily focus of diet, medication and exercise
- self blood-glucose monitoring
- dietary exchange system or refer to appropriate resources
- about medications and side effects
- foot care
- early reporting of complications of
- ketoacidosis
- insulin shock
- long term issues
- about insulin administration
- about the need to:
- eat more before strenuous exercise
- carry extra rapid-absorbing carbohydrate on person at all times
- wear medical-alert jewelry
- have regular eye exams
- consider emergency care for insulin shock
About Insulin
- In the pancreas's islets of Langerhans, beta cells secrete insulin-the islet-cell hormone of major physiological importance;
- Without sufficient insulin, the body develops diabetes mellitus.
- Exploration of a number of new delivery systems for insulin is ongoing.
- Implanted insulin delivery systems, in combination with a glucose sensor may create an "artificial pancreas."
- Exercise increases the body's metabolic rate to result in a decrease in blood sugar and an increase in insulin sensitivity. Signs of hypoglycemia often occur.
- Illness can disrupt metabolic control and raise blood sugar, which results in an increased need for insulin.
- Insulin-dependent clients should be well controlled for at least one week prior to any surgery.
- Special care for any client with either type of diabetes mellitus should be taken to monitor blood glucose during and after surgery and adjust insulin accordingly. About the Thyroid
- Following neck surgery, potentially life-threatening complications such as laryngeal edema and tracheal obstruction can occur. Monitor for respiratory distress.
- Following thyroid surgery, many clients suffer transient hypocalcemia from hyporfunction or removal of the parathyroids. Monitor for signs of tetany for up to three days after surgery.
About the Parathyroid
- Positive Chvostek's sign: contraction of facial muscle near mouth occurs when light tap is given over facial nerve in front of ear.
- Positive Trousseau's sign: carpopedal spasm results during the deflation of a blood pressure cuff that has been inflated for at least one minute.
Calcitonin
Corpus luteum
Hashimoto's thyroiditis
Hyperplasia
Medullary carcinoma
Microangiopathy
NPH insulin
Papillary adenoma
Polyphagia