Final - Nutrition, Fluid/Elect

  1. Why are weights valued so much?
    • Most reliable indicator of fluid gain or loss
    • same time, same scale, same clothes
  2. BMI Formula?
    lbs/in2 x 703
  3. What is the pathophysiology of malnutrition?
    • marasmus: calorie malnutrition - fat and protein wasted
    • kwashiorkor: lack of protein quantity and quality in the presence of adequate calories
    • marasmus-kwashiorkor: combined protein and energy malnutrition
  4. Nursing risk assessment for malnutrition
    • decreased appetite
    • weight loss
    • poor-fitting dentures/poor dental health
    • poor eyesight
    • dry mouth
    • limited income
    • lack of transportation
    • inability
    • failure to thrive
    • depression
    • pain
    • meds and OTC meds
  5. What is a safety priority action alert for malnourished patients?
    • encourage to eat
    • instruct UAP to keep food at appropriate temps and provide oral care before feeding
    • assess for pain, comfort prior to eating
    • allow appropriate time to eat - don't rush
  6. Describe ways to promote nutrition intake
    • toilet and oral care
    • glasses and hearing aids
    • move urinals, emesis basins, bedpans
    • give antiemetics, pain meds 1H prior
    • SERVE HIGH-CALORIE, HIGH-PROTEIN SNACKS
  7. Care and maintenance of Total Parenteral Nutrition
    • Check TPN bag against order and have a 2nd nurse check
    • monitor pump for accuracy of hourly rate
    • if TPN unavailable give D10W or D20W
    • don't attempt to "catch up" by increasing rate
    • daily weight
    • monitor electrolytes and glucose levels
    • I&O's
    • change IV tubing Q24H
    • change dressing Q48-72H
  8. Name some drugs that may cause weight gain
    • steroids
    • hormones
    • NSAID's
    • anti-HTN
    • antidepressants, psychoactive drugs
    • antiepileptics
    • oral antidiabetics
  9. What is the primary role of the nurse during pre-op for bariatric surgery?
    reinforce health teaching in preparation for surgery
  10. Nursing safety action alert regarding bariatric surgery NG tube
    • never reposition - it can disrupt the suture line
    • closely monitor for patency
    • removed 2nd day is passing gas
  11. What is the most common and serious complication and cause of death after gastric bypass surgery?
    • anastomotic leaks
    • monitor for: back, shoulder, abd pain, restlessness, tachycardia, oliguria
  12. Normal Calcium level
    9.0-10.5
  13. Normal chloride level
    98-106
  14. Normal magnesium level
    1.3-2.1
  15. Normal phosphorus level
    3.0-4.5
  16. Normal potassium level
    3.5-5.0
  17. Normal sodium level
    136-145
  18. Normal albumin level
    3.5-5.0
  19. What should we teach patients regarding hydration?
    • match intake with output
    • more water with heavy or prolonged activity or live in dry climates or high altitude
    • caffeine and alcohol increase fluid loss
    • offer fluids frequently to elderly
  20. What are clinical manifestations (systems) that correspond with hydration status
    • cardio - HR, BP, orthostatic hypotension
    • respiratory - increased rate
    • skin
    • neurologic - confusion, fever
    • kidney
  21. What interventions (patient safety) in relation to dehydration?
    • monitor V/S (HR, BP)
    • risk for falls: orthostatic hypotension, dysrhythmia, muscle weakness, confusion
  22. Indicators of adequate rehydration status?
    • pulse quality
    • urine output
    • pulse pressure
    • weight (Q8H)
  23. Indicators of fluid overload?
    • bounding pulse
    • difficulty breathing
    • neck vein distention in the upright position
    • presence of dependent edema
  24. What are the interventions for fluid overload?
    • safety
    • restore normal fluid balance (drugs, nutrition, I&O)
    • supportive care
    • prevent future overload
  25. Pulmonary edema can occur very quickly and can lead to death. What is priority?
    notify provider of any change that indicates fluid overload or not responding to tx
  26. What is the most obvious problem associated with hyponatremia?
    • Cerebral changes
    • LOC
    • behavior
    • mental status
    • seizures, coma, death
  27. What are the priorities for nursing care of the patient with hyponatremia?
    • monitoring pt's response to therapy
    • preventing hypernatremia
    • preventing fluid overload
  28. Why is hypokalemia so dangerous?
    life-threatening because every body system is affected
  29. What is a result of hypokalemia to all excitable tissues?
    nerve and muscles are less responsive to normal stimuli
  30. What must we assess Q2H in patients with hypokalemia?
    • respiratory status
    • respiratory insufficiency is a major cause of death for these patients
  31. What can occur with the GI system of a patient with hypokalemia?
    paralytic ileus
  32. If infiltration of potassium solution occurs what is the priority?
    • stop IV
    • remove IV
    • notify provider or RRT
    • Document
  33. What is the rate of IV potassium NEVER to exceed?
    20 mEq/hr
  34. A patient with hyperkalemia: what do we do if HR falls below 60 or elevated T-waves?
    call provider or RRT
  35. What is the most severe problem and most common cause of death with Hyperkalemia?
    • cardio changes
    • bradycardia
    • hypotension
  36. What are some manifestations of hyperkalemia?
    • palpitations
    • muscle twitching
    • leg weakness
    • tingling or numbness in hands feet or face
  37. What are some manifestations of hypocalcemia?
    • paresthesias of hands and feet
    • cramping "charley horse"
    • Trousseau's and Chvosteks signs
    • ECG: cardio changes (weak, thready pulse)
    • hyperactive GI
    • osteoporosis
  38. Interventions for hypocalcemia?
    • drug therapy (Ca+ and Vit D)
    • nutrition
    • environmental mgmt: reduce stimulation
    • injury prevention
  39. What are some manifestations of hypercalcemia?
    • cardio: increased HR and BP
    • DVT's, clotting
    • neuromuscular: severe muscle weakness, DTR's, confusion, lethargic
    • decreased peristalsis of GI, constipation, anorexia, N/V
  40. Interventions for hypercalcemia?
    • D/C IV solutions containing Ca+
    • D/C Ca+ supplements or Vit D
    • Start NS to excrete calcium in urine
    • cardiac monitoring
  41. What are some common causes of Hyperphosphatemia?
    • kidney disease
    • cancer tx's
    • hypoparathyroidism
    • increased phosphorus intake
  42. What other electrolyte is affected with hyperphosphatemia?
    Calcium = HYPOcalcemia
  43. Hypocalcemia results in what to membranes?
    increased membrane excitability = life threatening
  44. What cardiac changes are seen with hypermagnesemia?
    • bradycardia to cardiac arrest
    • peripheral vasodilation
    • hypotension
    • prolonged PR interval
    • widened QRS complex
  45. Hypermagnesemia can cause what that is life-threatening?
    cardiac arrest
  46. CNS issues related to hypermagnesemia?
    • drowsy, lethargic
    • COMA
  47. Neuromuscular changes seen with hypermagnesemia?
    reduced or absent DTR'svoluntary skeletal muscle contractions become weaker and finally stop
  48. What happens to the membranes with hypermagnesemia?
    Reduced membrane excitability
Author
cbennett
ID
340273
Card Set
Final - Nutrition, Fluid/Elect
Description
Final - Nutrition, Fluid/Elect
Updated