-
Rapid acting insulin: names (clarity, onset, peak , and duration)
- Rapid acting:
- Names:Lispro (Humalog) Aspart (Novolog) Glulisine (Apidra)
clear, onset: 10 - 30 minutes, Peak: 30 min - 3 hour, Duration: 3 - 5 hour
-
Short acting insulin: names (clarity, onset, peak, duration)
- Short acting:
- Regular (Humulin R, Novolin R)
- clear, onset: 30 min - 1 hour, peak: 2 - 5 hour, Duration: 5 - 8 hour
-
Intermediate acting: name (clarity, onset, peak, duration)
- Intermediate acting:
- NPH (Humulin N, Novolin N)
- cloudy, onset: 1.5 - 4 hour, peak: 4 - 12 hour, duration: 12 - 18 hour
-
Long acting: names (clarity, onset, peak, duration)
- Long acting:
- Glargine (Lantus) Determir (Levemir)
- clear, onset: 0.8 - 4 hour, peak: no pronounced peak, duration: 24+ hour
-
Diabetes mellitus: chronic multi system disease r/t
- Abnormal insulin production
- Impaired insulin utilization
- Both
-
Causes of Diabetes Mellitus:
- Genetic
- Autoimmune
- Environmental: Virus, obesity
-
Pancreas (endocrine): alpha cells secrete:
glucagon (raises Blood sugar concentration)
-
Pancreas (endocrine): Betta cells secrete:
- Insulin (Lowers blood sugar concentration)
- Amylin (inhibits release of glucagon)
-
Glucagon works on the ________ nervous system.
Sympathetic nervous system (Fight or flight)
-
Insulin works on the ______ nervous system.
Parasympathetic (rest and digest)
-
Counter regulatory hormones that increase blood sugar are:
- Catecholamines (Epinephrine, Nor epinephrine)
- Growth hormones
- Glucocorticoid hormones (steroids)
-
Stress hyperglycemia: corticosteroids and catecholamines increase.
Production of glucose in liver _____.
Production of glucagon _____.
functioning insulin receptors on cell ______.
- production of glucose in liver increases.
- Production of glucagon increases.
- Functioning insulin receptors on cell decreases.
-
Glucagon increases blood glucose by stimulating ________.
Glucagon synthesized in response to low levels of blood glucose, protein ingestion, and exercise.
Gluconeogenesis (generation of glucose)
-
______: hormone produced by betta cells in islets of Langerhans.
Insulin
-
Insulin metabolism: Stimulates the storage of glucose as glycogen in ______ and ______.
Inhibits _________.
Enhances fat deposition of adipose tissues.
Increases protein synthesis.
- Glucose stored as glycogen in Liver and Muscle.
- Inhibits glyconeogenesis.
-
Type 1 diabetes: __________ of beta cells in pancreas.
Destruction (complete lack of insulin)
-
Type 2 diabetes: ______ of beta cells and insulin ______.
- dysfunction and insulin resistance.
- (same as gestational diabetes)
-
Risk factors for diabetes:
Age >45 (35 with other risk factors)
Women with polycystic ovarian syndrome
Obesity
Prior gestational diabetes or baby weighing > 9 pounds
Prior IGT and IFG or _______.
History of ______.
- Prior impaired glucose tolerance or impaired fasting glucose or family history.
- History of HTN or vascular disease.
-
IGT: fasting glucose levels higher than normal
Impaired glucose tolerance: >100 mg/dL but <126 mg/dL
-
Oral glucose tolerance test (OGTT): 2 hour plasma glucose higher than normal
</= 200 mg/dL
-
Type 1 Diabetes: "I___ D____ D____"
- Insulin dependent diabetes
- Autoimmune
- Destruction of Beta cells: absence of insulin
- causes: genetics, virus
-
Type 1 Diabetes manifestations
3 P's: ________
weight loss
fatigue
- 3 P's: Polyuria, Polydipsia, Polyphagia
- Ketoacidosis (fruity breath)
-
S/S More common in type 1 diabetes
- Lethargy
- Stupor
- Nausea
- vomiting
- Abdominal pain
- Kussmaul breathing
- Weight loss
-
Type 2 diabetes Mellitus: "N__ I___ D__"
Risk factors:
- Overweight
- Age >45 (35 with other risk factors)
- Family history
- Race
-
Type 2 Diabetes Mellitus: pancreas continues to produce some insulin. (Not enough or poorly used by tissues)
Genetic link:
- Insulin resistance
- Beta cells fatigue and produce less insulin
- Haphazard release of glucose by liver
- adipokines- chronic inflammation
-
Type 2 DM manifestations:
- Recurrent infections
- Prolonged wound healing
- 3 P's: Polyuria, polydipsia, polyphagia
- Fatigue
- Visual changes: chronic hyperglycemia
-
Type 1 Diabetes: age at onset, type of onset, environmental factors, insulin
- Age: young
- Type of onset: Abrupt
- Environmental factors: Virus, toxins
- Insulin: required
-
Type 2 diabetes: age at onset, type of onset, environmental factors, insulin
- Age: >45 (35 if other risk factors)
- Type of onset: Gradual
- Environmental factors: obesity, lack of exercise
- Insulin: may be necessary as disease progresses
-
Diagnositcs
A1C: ___
Fasting Plasma glucose: _____
2 hour plasma glucose: ______
Islet cell antibody testing: Type ___
- A1C: 6.5% or higher (monitor for diabetes)
- (7% is generally acceptable)
- Fasting plasma glucose: >/= 126 mg/dL
- 2 hour plasma glucose: >/= 200 mg/dL
- Islet cell antibody t esting: Type 1 DM
-
Meal time insulin:_______
Control between meals and night time:____
Carbohydrate counting:____
- Meal time insulin: rapid or short acting (before meal)
- control between meals and night time: Basal insulin(long/intermediate acting)
- Carb counting: allows to adjust the amount of insulin based on how many grams of carbs are eaten.
-
Insulin adverse effects:
- Hypoglycemia
- Allergic reaction
- Lipodystrophy
- Somogyi effect
- Dawn phenomenon
-
Somogyi Effect: Requires _____ insulin.
Counterregulatory hormone response to high insulin dosage.
- Somogyi effect: requires less insulin.
- Morning hyperglycemia.
-
Dawn phenomenon: Adjust insulin administration time or ______ dose.
Growth hormone and cortisol excreted in increased amount (counterregulatory hormones)
- Dawn phenomenon: adjust insulin administration time or increase dose.
- *requires more insulin
- Most common in adolescents
-
Plasma blood glucose & HGB A1C goals for type 1 DM
Toddlers & preschoolers <6 years: before meals, bed time, HGB A1C
Toddlers & Preschoolers <6 years:
- before meals 100 - 180
- bedtime 110 - 200
- HGB A1C </= 8.5% but >/=7.5%
-
Plasma blood glucose & HGB A1C goals for type 1 DM
School age 6 - 12 years
School age 6 - 12 years
- before meals 90 - 180
- before bed 100 - 180
- HGB A1C <8%
-
Plasma blood glucose & HGB A1C goals for type 1 DM
Adolescents >12 years and young adults
Adolescents >12 years and young adults
- Before meals 90 - 130
- Before bed 90 - 150
- HGB A1C <7.5%
-
_____ insulin (Long/intermediate)
Control b/w meals and nighttime.
Basal insulin
-
Combination of insulin: Mix _____ and _____ in same syringe. (Clear to cloudy)
Short and Intermediate
-
Oral Antidiabetics work on 3 defects of type 2 diabetes
Insulin ______.
______ insulin production.
______ hepatic glucose production.
- Insulin resistance
- Decreased
insulin production - Decreased
hepatic glucose production
-
Oral antidiabetics:
- Metformin:
- Glucophage
- Glucophage XR
- Fortamet
- Riomet
-
Biguanides: trade names, action, adverse effects
- Trade names: Metformin (Glucophage)
- Action: Reduces glucose production in liver enhance insulin sentivity @ tissue
- Adverse effects: Kidney injury, lactic acidosis
(D/C Metformin 24 - 48 hours before contrast CT scan, restart metformin 48 hours later.)
-
Sulfonylureas: trade names, action, adverse effects
- Trade names: Glipizide, Glyburide
- Action: Increases insulin production by pancreas
- Adverse effects: Hypoglycemia
-
Meglitinides: trade names, action, adverse effects
- Trade names: Starlix, prandin
- Action: Increases insulin production by pancreas
- Adverse effects: Weight gain, hypoglycemia
-
Dipeptidyl peptidase-4 inhibitors: trade names, action, adverse effects
- Trade names: Trajenta, Onglyza, Januvia
- Action: Block DPP-4 enzyme increases insulin release, decreases glucagon secreation, decreases hepatic glucose production
- Adverse effects: Pancreatitis
-
Nutritional therapy
Total carbs: fruits, vegs, grains, legumes, low fat milk.
Minimum ______ g/day.
Carbs minimum 130 g/day
-
Nutritional therapy
Fiber intake _____ g/day
Fiber intake 25 - 30 g/day
-
Nutritional therapy
Protein: ______ % total calories
No high protein diets
Protein: 15 - 20% total calories
-
Nutritional therapy
Fat : _____ total calories
Dietary cholesterol: _____
______ servings fish/week
- Fat: <7% total calories
- Dietary cholesterol: <200 mg/day
- >/= 2 servings of fish/week
-
Nutritional therapy
Alcohol limit ___ drink/day for women, ___ drink/day for men
- Alcohol limit 1 drink/day for women
- Alcohol limit 2 drink/day for men
-
Nutritional Therapy
Education
Dietitian initially provides education
should include ____.
_____ method: helps patient visualize the amount of vegetable, starch, and meat that should fit a 9 inch plate.
- Should include Family
- Plate method
-
Exercise
_____ blood glucose during and after exercise.
Causes uptake of glucose by ______.
Improves insulin ______ and insulin _______.
lasts _____ hours.
- Lowers blood glucose.
- Uptake of glucose by muscles.
- Improves insulin Utilization and insulin sensitivity.
- last 2 - 48 hours
-
Diabetic complications
DKA: _______
HHNS:________
H:_________
Morning H: ______
- Diabetic ketoacidosis
- Hyperosmolar Hyperglycemic NonKetotic Syndrome
- Hypoglycemia
- Morning Hyperglycemia
-
DKA is ____________.
Most common in Type __ DM
Type _ DM possible in overwhelming _____ or ____.
- DKA is a Profound deficiency of insulin. Most common in Type 1 DM
- Type 2 DM possible in overwhelming infection or stress.
-
DKA: Precipitating Factors
Illness and _____.
Inadequate ____ dosage.
Undiagnosed _______.
_______ self management.
Neglect.
- Illness and infection.
- Inadequate insulin dosage.
- Undiagnosed Type 1 DM.
- Neglect.
-
DKA: Pathophysiology
______ circulating insulin, glucose not properly used for ______.
Body compensates breaks down ____ stores.
_____: acidic by products of ____ break down.
_____ alters PH balance.
Patient goes into _____ acidosis.
______ is _____ spilling into urine.
When ____ spill into urine ___ become depleted.
Insulin deficiency leads to impaired _____ synthesis.
Increased _____ degradation.
Increased _____ loss from tissues.
Increased production of glucose from ______ in liver leads to _________.
Due to insulin deficiency, blood glucose increases leading to _________.
Due to _______: Na, K, Cl, Mg, and Phos are _______.
Fluid volume is ________ (_________)
Could lead to __________ shock, ____ failure, and death.
- Decreased circulating insulin, glucose not properly used for energy.
- Body compensates breaks down Fat stores.
- Ketones: acidic by products of fat break down.
- Ketones alters PH balance.
- Patient goes into metabolic acidosis.
- Ketonuria is ketones spilling into urine.
- When ketones spill into urine electrolytes become depleted.
- Insulin deficiency leads to impaired protein synthesis.
- Increased protein degradation.
- Increased nitrogen loss from tissues.
- Increased production of glucose from amino acids in liver leads to hyperglycemia.
- Due to insulin deficiency, blood glucose increases leading to Osmotic diuresis.
- Due to osmotic diuresis: Na, K, Cl, Mg, and Phos serum levels are decreased.
- Fluid volume is decreased (hypervolemia)
- Could lead to hypervolemic shock, renal failure, and death.
-
DKA: clinical manifestations
______ skin turgor.
_____ mucous membranes.
Tachycardia
________ hypotension
Lethargy
Soft ____ eyes
Anorexia
_______ respirations
______ breath
Nausea/______
_____ pain (linked to accumulating acids)
Blood glucose >/=______
Arterial blood PH < _______ (acidotic)
______ in urine
- Poor skin turgor
- Dry mucous membranes
- Tachycardia
- Orthostatic hypotension
- Lethargy
- Soft sunken eyes
- Anorexia
- Kussmaul respirations
- Acetone breath (fruity) Nausea/Vommiting
- Abdominal pain (linked to accumulating acids)
- Blood glucose >/= 250
- Arterial blood PH < 730
- Ketones in urine
-
DKA Treatment
_______: maintain tissue perfusion
______ replacement
______: reverses acidosis by inhibiting ___ breakdown.
Monitor: Vitals, Cardiac rhythm, __ levels, I&O:____
Treat ____ if present
O2
IV: 0.9% or 0.45% NaCl solution until ___ stable and urine output ____ mL/hr
When blood glucose reaches ______, begin 5% or 10% dextrose solution.
(Sudden drop in glucose causes _____)
- Rehydration: maintain tissue perfusion
- Electrolytes replacement
- Insulin: reverses acidosis by inhibiting fat breakdown.
- Monitor: vitals, cardiac rhythm, K+ levels, I&O: Kidneys
- O2: Oxygen
- IV: 0.9% or 0.45% NaCl solution until Blood pressure is stable and urine output 30 - 60 mL/hr
- When blood glucose reaches 250 mg/dL, begin 5% or 10% dextrose solution
- (sudden drop in glucose causes cerebral edema)
-
DKA treatment: insulin
Crucial in restoring _______ balance and eliminating _______.
Standard rate ____ U/kg/hr
Rate of insulin remains _____ while dextrose fluid ______ to achieve desired Serum glucose levels.
_______ and early identification.
Changes in mental status should ______. watch for ________.
_______ checks every 1 hour.
Monitor ______.
- Crucial in restoring Acid-base balance and eliminating ketoacidosis.
- Standard rate o.1 U/kg/hr
- Rate of insulin remains constant while dextrose fluid titrated to achieve desired serum glucose levels.
- Prevention and early identification
- Changes in mental status should improve. Watch for cerebral edema.
- Neurological checks every 1 hour.
- Monitor respiration.
-
Hyperosmolar hyperglycemic syndrome
Type __ DM
Age >___ years
Less common than ____
Produces enough insullin to prevent ____ but not enough to prevent
Severe _______
Osmotic ______
extracellular fluid ____
- Type 2 DM
- Age > 60 years
- Less common than DKA
- Produces enough insulin to prevent DKA but not enough to prevent
- Severe hyperglycemia
- Osmotic diuresis
- extracellular fluid depletion
-
HHS Causes
U--
P-------
S-----
A---- I------
Newly diagnosed Type - --
- UTI
- Pneumonia
- Sepsis
- Acute illness
- Newly diagnosed Type 2 DM
-
HHS clinical manifestations
Elevated _______: ____ mg/dL
_____ PH
_____ of Ketones
_____ of urine glucose
Abnormal levels of Na, K, CL caused by ______
- Elevated Blood glucose: >600 mg/dL
- Normal pH
- Absence of Ketones
- Presence of urine glucose
- Abnormal levels of Na, K, Cl caused by Osmotic diuresis
-
HHS Treatment
Same as DKA except HHS requires greater _______ replacement.
Greater fluid volume replacement
- DKA treatment:
- Maintain tissue perfusion
- Electrolyte replacement
- Insulin
- Oxygen
- IV therapy
-
These symptoms are for DKA or HHS?
Common
Type 1
Precipitated by infection
Ketoacidosis
Short prodromal sympts
MOrtality 5 - 10%
Age 20 - 29
DKA
-
These symptoms are for DKA or HHS?
Uncommon
Type 2
More severe illness
NOt ketoacidotic
Longer prodromal sympts
Mortality 40 - 60%
Age 57 - 70
HHS
-
Hypoglycemia is too _____ glucose in blood stream. <___ mg/dL
Hypoglycemia is too little glucose in blood stream. <70 mg/dL
-
Hypoglycemia Pathophysiology:
Blood glucose decreases to _______
_______ hormones are released
Insulin production is ________
Glucagon and epinephrine are ________
- Blood glucose decreases to <70 mg/dL
- Counterregulatory hormones are released
- Insulin production is decreased
- Glucagon and epinephrine are increased
-
Hypoglycemia manifestations:
No ____ signs
Hypoglycemia reaches ______ point
Patient c________, i_____ or u_______.
Autonomic neuropathy (problem with _____ secretion)
- No warning signs
- Hypoglycemia reaches critical point
- Patient combative, incoherent or unconscious
- Autonomic neuropathy (problem with epinephrine secretion)
-
Rule of 15
Eat/Drink ____ g of ____ carbs
___ oz soda, orange jice
___ life savers
___ Tbs syrup/honey
___ tsp jelly
Wait ___ minutes
Check glucose
If blood glucose _____, repeat
If glucose ______, feed snack
_____ carb + protein
- Eat/drink 15 g of quick carbs
- 4 - 6 oz soda, orange juice
- 8 - 10 life savers
- 1 Tbs syrup/honey
- 4 tsp jelly
- wait 15 minutes
- If blood glucose <70 mg/dL, repeat
- If glucose >70 mg/dL, feed snack
- complex carb + protein
-
Macrovascular diseases include:
______vascular disease
______vascular disease
_____ vascular disease
- Cerebrovascular disease
- Cardiovascular disease
- Peripheral vascular disease
-
Macrovascular risk factors
S______
O_____
H_____
H_____
S_____
Macrovascular risk factors
- Smoking
- Obesity
- Hypertension
- High fat intake
- Sedentary lifestyle
-
Microvascular
Specific to ______
______ of vessel membranes in ______ and _______ in response to chronic _________.
______pathy
______pathy
______pathy
Microvascular:
- Specific to diabetes
- Thickening of vessel membranes in capillaries and arterioles in response to chronic hyperglycemia.
- Retinopathy (retina damage)
- Nephropathy
- Dermopathy
-
Diabetic Retinopathy
Microvascular damage to _____ aas result of _________.
Classifications:
___________
___________
Diabetic retinopathy
- Microvascular damage to retina as result of hyperglycemia.
- Classifications:
- nonproliferative
- Proliferative
-
Nonproliferative Retinopathy
Partial ______ of small blood vessels in _____.
__________ of capillary walls.
weak walls _____ fluid.
Retinal _______.
Intraretinal _______.
Visin affected if _____ involved.
- Partial occlusion of small blood vessels in retina.
- microaneurysm of capillary walls.
- weak walls leak fluid.
- Retinal edema.
- Intraretinal hemorrhages
- Vision affected if macula involved.
-
Proliferative Retinopathy
Involves retina and _____.
Neovascularization.
_____ occluded
Retinal _______.
Proliferative Retinopathy
- Involves retina and vitreous
- Neovascularization
- Light occluded
- Retinal detachment.
-
Retinopathy Treatment
Blood glucose control
P__________
V_________
Meds to supress Vascular ______ growth factor.
Retinopathy Treatment
- Blood glucose control
- Photocoagulation
- Vitrectomy
- Meds to supress vascular growth factor
-
Nephropathy
Damage to small blood vessels of _____.
(causes ______ to leak)
(_____ reduce risk of nephropathy)
Damage to small blood vessels of Kidney.
(causes protein to leak) ( Ace inhibitors reduce risk of Nephropathy)
-
Nephropathy nursing interventions
S______
__ control
Low _____/Low ____ diet
Education
H_______
Renal _____
- Symptomatic
- BP control
- Low protein/ Low salt diet
- Education
- Hemodialysis
- Renal transplant
-
Diabetic Neuropathy
________ r/t metabolic problems.
Calssifications:
S_______
A______
Diabetic Neuropathy
- Nerve damage r/t metabolic problems
- Classifications:
- Sensory
- Autonomic
-
Sensory Neuropathy
______ symmetric polyneuropathy.
H____/F____
S____ g_____ neuropathy.
Loss of or abnormla sensation
Pain
P______
Ulcers
_____ gait
Sensory Neuropathy
- Distal symmetric neuropathy
- Hands/Feet
- Stocking glove neuropathy
- Loss of or abnormal sensation
- Pain
- Parasthesia
- Ulcers
- Unbalanced gait (walking on clouds/pillows)
-
Autonomic Neuropathy
Damage to _____ of small blood vessels and _____ glands in skin, ___ system, ___ tract, and adrenergic system.
Autonomic Neuropathy
Damage to nerves of small blood vessels and sweat glands in skin, CV system, GI tract, and adrenergic system.
-
Autonomic Neuropathy Manifestations
Cardiovascular
_____ hypotension
Resting _______
Painless ____
GI
G______ (____ gastric emptying)
GU
______ bladder (lose ____ in bladder)
Urinary ______
____ stream.
- Autonomic Neuropathy Manifestations
- Cardiovascular
- Postural hypotension
- Resting tachycardia
- Painless MI
- GI
- Gastroparesis (delayed gastric emptying)
- GU
- Neurogenic bladder
- (lose sensation in bladder)
- Urinary retention
- Weak stream
-
Diabetes complications of lower extremities
A________.
U________.
Risk factors:
_____ neuropathy
PAD (Peripheral ______ _____)
C_______ abnormalities
S_______
I_____ I______ system
Diabetes complications of lower extremities
- Risk Factors:
- Sensory neuropathy
- PAD (peripheral artery disease)
- Clotting abnormalities
- Smoking
- Impaired immune system
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