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Types of barriers
Physical and socioeconomic
types of physical barriers
Poor dentition, dysphagia, mechanical jaw fixation, altered sensory perception, medical conditions (COPD, cancer, HIV/AIDS, burns)
What are common socioeconomic barriers to nutrition?
Low income, food insecurity, lack of transportation, cognitive disorders (dementia), misinformation/ lack of nutrition knowledge
If a patient has a mechanical jaw fixation, what would a nurse suggest?
liquid diet only
poor dentition leads to pain with chewing so what would a nurse suggest?
avoid hard foods
what happens when a patient has altered sensory perception
their vision or taste changes
Dysphagia is at risk for?
aspiration
what is the primary risk with dysphagia?
aspiration pneumonia
what is the priority nursing intervention for dysphagia?
high fowler’s position during meals and 30 mins after
chin to chest posture
small bites and slow eating
speech therapy and thickened liquids
what must always be at bedside for mechanical jaw fixation patient’s
wire cutters in case they vomit
what food diet must a patient with a mechanical jaw fixation have?
liquid only diet - blended/pureed foods via syringe/straw
high-calorie liquid supplements (ensure, boost)
frequent oral care every 2 hrs
what is the #1 deficiency in chronic alcohol use?
thiamine (vitamin B1)
what can a thiamine deficency lead to?
Wernicke’s encephalopathy (confusion, ataxia, eye problems)
what is the critical deficiency in COPD?
Vitamins A, C, E; phosphorus
what is the deficiency in COPD lead to?
increased calorie needs (high work of breathing)
dyspnea during eating
what deficiency is seen in cystic fibrosis?
fat-soluble vitamins (A,D,E,K)
what does the deficiency from cystic fibrosis lead to?
pancreatic insufficiency- fat malabsorption
must take enzyme replacements
what is deficiency is commonly found in patients with HIV/AIDs
protein- calorie (wasting), B12, selenium, zinc, iron
what is commonly found in patients with HIV/AIDs and what does it lead to
Wasting syndrome common.
Malabsorption from GI infections. High protein, high calorie goals
what is a common deficiency with chronic kidney disease
phosphorus and potassium excess ( must restrict), calcium and b vitamins are depleted
what lab is best for recent/acute nutritional status?
prealbumin
what lab reflects long-term/chronic nutritional status
albumin
expected finding in malnutrition for prealbumin, albumin, transferrin, total lymphocyte count, and hemoglobin/hematocrit
they are all decreased values
prealbumin values?
normal value: 15-36 mg/dl
albumin values
normal value: 3.5-5 g/dL
expected finding in malnutrition: transferrin
250-370 mg/dL
protein malnutrition since iron transport protein (low iron)
expected finding in malnutrition: lymphocyte count
1500-4000 mm3
impaired immune function due to protein/nutrient deficit
expected finding in malnutrition: hemoglobin/hematocrit
varies by sex
anemia from inadequate iron, protein, and vitamins
what is the feeding priority order?
oral → enteral → parenteral
what is refeeding syndrome?
electrolyte imbalance (especially hypophosphatemia) when malnourished patients are refed too quickly
high calorie food examples for malnourished clients?
avocado, nuts, seeds, olive/coconut oil, full-fat dairy, nutritional supplements, fortified cereals, eggs, lean meats, beans, greek yogurt
all bariatric patients need?
lifelong vitamin supplementation: B12, calcium + vitamin D, iron, folate
Bariatric Surgery indications
BMI ≥ 40 OR BMI ≥ 35 with obesity-related comorbidity (Type 2 DM, HTN, sleep apnea, severe GERD)
types of bariatric surgeries?
roux en y gastric bypass
sleeve gastrectomy
adjustable gastric band
tips for patients with dumping syndrome
small meals, NO fluids WITH meals, avoid simple sugars
METABOLIC SYNDROME
Diagnosed with 3 of 5 criteria:
Abdominal obesity
Triglycerides ≥150
Low HDL
HTN ≥130/80
Fasting glucose ≥100 mg/dL. Dramatically increases DM + CVD risk!
Total cholestrol info
<200 mg/dl
elevated - CVD increased risk
you want it LOW
LDL info
< 100 mg/dL
deposits cholestrol in artery walls
you want it LOW - L = lousy
HDL info
>40 (men) / > 50 women
removes cholestrol from arteries
you want it HIGH
trigylcerides info
< 150 mg/dL
elevated - increased CVD
you want it LOW
hypertension
Sustained BP > 130/80 mmHg.
Major risk factor for MI, stroke, kidney disease, and heart failure
Dash diet
low sodium
high potassium
high calcium
high fiber
low saturated fat
where can sodium be hidden in?
canned or processed foods
Heart Failure (CHF) Diet
sodium: <3000 mg/day (mild) or <2000 mg/day (severe)
fluid restriction: ~2L/day (ALL fluids: water, broth, gelatin, ice cream)
increases protein - maintain cardiac muscle
daily weight monitoring
avoiding canned soups, processed meals, and salty snacks
Post Myocardial Infarction Diet
low saturated fat and cholesterol - reduce athersclerosis
low sodium
increase omegas-3
increase fiber
small frequent meals
avoid caffeine and alcohol
3 different anemias?
iron defiency
vitamin B12 deficiency
folic acid deficiency
ALL anemias share: fatigue, pallor, tachycardia
what helps with iron absorption? what decreases it?
Vitamin C INCREASES absorption
Calcium and tannins (tea/coffee) DECREASE
Give iron on empty stomach with orange juice for best results
anemia defiency’s symptoms
B12 UNIQUE = neurological symptoms.
Iron UNIQUE = spoon nails (koilonychia) + cold intolerance.
Folic acid CRITICAL in pregnancy → neural tube defects!
What is the diet progression after vomiting?
Clear liquids → Full liquids → BRAT diet
What foods worsen GERD?
Caffeine, alcohol, chocolate, citrus, peppermint, fatty foods
GERD safe foods
Oatmeal and whole grains
Bananas and melons (non-citrus)
Lean proteins (baked chicken, fish)
Steamed vegetables •
Low-fat dairy
Rice and couscous
Key GERD teaching?
no eating 2-3 hrs before bedtime
elevate HOB 6-8 inches and elevate while and 30 min after eating
PUD - Acute gastritis
primary cause: NSAIDs, alcohol, corticosteroids, stress
Avoid NSAIDs (use acetaminophen instead), avoid alcohol and spicy/fatty foods, small frequent meals
PUD / chronic gastritis
primary cause: H. PYLORI infection (80% of PUD cases)
solution: COMPLETE the full antibiotic triple therapy course; Avoid NSAIDs, caffeine, spicy foods, alcohol.
How to prevent constipation?
Increase fiber (25-39 g), fluids (64 oz/8 cups H20), exercise
what does not help constipation
use of stimulant laxatives daily — causes dependency and worsens long-term constipation
lactose intolerance def
Deficiency in lactase enzyme → cannot digest lactose (milk sugar)
causes: bloating, gas, cramping, diarrhea after dairy intake
what to look out for in a person who is lactose intolerant
use lactose-free dairy or plant based alternative (almond, soy, oat milk)
monitor for calcium and vitamin D deficiences
Ostomies- client education on foods
blockage foods
gas-forming food
odor-causing foods
diverticulosis
(No inflammation)
high fiber diet
adequate fluid intake
fruit, veggies, whole grian
diverticulitis
(active infection)
low fiber diet/ clear liquid diet
allows bowel to rest and inflammation
NPO ifi perforation suspected
Cholecystitis diet?
gallbladder inflammation
low fat diet
avoid: fried foos, high-fat meats, full fat dairy, butter
NPO during acute episodes
Celiac Disease diet
(Gluten Intolerance)
no wheat, barley, rye
safe: rice, corn, quinoa, potatoes, fruits, meats, vegetables
monitor: iron, calcium, B12, fat soluble vitamin deficiencies
CKD Risk Factors
Diabetes (leading cause!) → Hypertension (2nd cause!) → Glomerulonephritis, polycystic kidney disease, recurrent UTIs, NSAIDs and nephrotoxic medications
CKD labs
BUN (normal 8-20 mg/dL) ↑ + Creatinine (normal 0.6-1.2 mg/dL) ↑ + eGFR ↓ = worsening kidney function. In ESRD: HIGH creatinine + LOW eGFR is the expected pattern.
what happens to eGFR in CKD
it decreases and kidney functions worsen
What happens to creatinine in CKD?
Increases
When is dialysis required for CKD?
Stage 5 (eGFR <15)
What electrolytes must be restricted in CKD?
Potassium, phosphorus, sodium
Protein intake in CKD?
Decrease early, increase on dialysis
Why restrict potassium for ppl w CKD?
prevents life-threatening arrhythmias
#1 prevention for kidney stones?
Increase fluids (2.5–3 L/day)
what are other kidney stone preventions
limit high oxalate foods (spinach, nuts, beets, chocolate, tea)
do not severly restrict calcium
limit sodium and animal protein
monitor I&O; closely. Urine output < 0.5 mL/kg/hr = OLIGURIA → notify provider immediately
type 1 diabetes
Autoimmune destruction of pancreatic beta cells
ALWAYS requires insulin
Usually diagnosed in childhood/young adults
Often normal or underweight at diagnosis
Primary complication: DKA (diabetic ketoacidosis)
type 2 diabetes
Insulin resistance + relative insulin deficiency
Most common type (~90% of all diabetes cases)
Risk: obesity, sedentary lifestyle, family history, metabolic syndrome
Managed with lifestyle, oral meds (metformin), then insulin
Primary complication: HHS (hyperosmolar hyperglycemic state)
Fasting glucose for diabetes?
≥126 mg/dL
HbA1c goal?
<7%
Hypoglycemia level?
<70 mg/dL
Hypoglycemia symptoms?
Pale, sweating, tachycardia, confusion, rapid onset
Hyperglycemia symptoms?
Polyuria, polydipsia, polyphagia, gradual onset, fatigue, fruity breath
HYPOGLYCEMIA = "3 P's of LOW signs
Pale, Perspiring, Pounding hear
HYPERGLYCEMIA = "3 P's of HIGH"
Polyuria, Polydipsia, Polyphagia
What is the 15-15 rule?
15g carbs (4 glucose tabs, 5 hard candies, ½ cup of juice/soda, 1 tbsp of honey/sugar) → recheck blood glucose in 15 min
UNCONSCIOUS patient with hypoglycemia
NEVER give oral food or fluids (aspiration risk!)
administer IV dextrose (D50W) or glucagon IM/SQ as ordered.
1 carb seving
15 g of carbs
Net carbs formula
= Total carbs - Dietary fiber
60g total - 6g fiber = 54g net ÷ 15 = 3.6 servings
what does execrise do?
LOWERS blood glucose - it carries fast-acting carbs during activity. Avoid exercise if BG > 250 mg/dL!
cancer modifiable risk factors
smoking
obesity and overweight
sedentary life
high fat, low fiber
excessive alchohol
h. plyori infection
UV radiation exposure/environ.
cancer preventive diet
Increase fruits, vegetables, and whole grains
Limit red/processed meats, alcohol, and high-fat foods
Maintain a healthy body weight
chemotherapy side effects
anorexia
neutropenia
stomatitis (mouth sores)
taste changes/metallic
nausea
fatigue
diarrhea
Neutropenic diet rule?
No raw, unpasteurized, or undercooked foods
Stomatitis care?
Soft toothbrush, no alcohol mouthwash/lemon swabs, cool/bland foods
dry and irritate mucosa if not followed