Perioperative Nursing: Fluid Balance

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Questions and Answers

What is a crucial role of the registered nurse when caring for a deteriorating perioperative patient?

  • Promptly recognizing changes in the patient's condition and initiating appropriate interventions and escalating care. (correct)
  • Documenting changes in the patient's condition without communicating them to the medical team unless they become life-threatening.
  • Independently altering medication dosages based on perceived patient needs.
  • Delegating all monitoring tasks to unlicensed assistive personnel to conserve resources.

A patient in the recovery room exhibits increased restlessness, declining oxygen saturation, and rising heart rate. What initial nursing intervention is most appropriate?

  • Assessing the patient's airway, breathing, and circulation (ABCs) and notifying the surgical team. (correct)
  • Increasing the rate of the patient's opioid infusion to manage presumed pain.
  • Administering a bolus of intravenous fluids to address potential hypovolemia.
  • Immediately transferring the patient back to the operating room for further surgical evaluation.

A patient with hypernatremia is prescribed a hypotonic intravenous solution. What effect does this solution have on the patient's cells?

  • It causes fluid to be drawn into the blood vessels from the cells.
  • It causes cells to swell as fluid moves from the extracellular space into the cells. (correct)
  • It causes cells to shrink as fluid moves out of the cells into the extracellular space.
  • It has no effect on cell size as it is isotonic with body fluids.

In a patient with severe blood loss, what type of fluid replacement therapy is MOST appropriate to rapidly expand intravascular volume?

<p>Colloids, such as albumin, to increase oncotic pressure and hold fluid in the intravascular space. (D)</p> Signup and view all the answers

What mechanism primarily drives fluid movement between the interstitial space and the intracellular space?

<p>Osmotic pressure differences. (A)</p> Signup and view all the answers

Which of the following factors would cause fluid to shift from the vascular space into the interstitial space?

<p>Increased vascular hydrostatic pressure. (B)</p> Signup and view all the answers

Which fluid compartment contains the largest amount of body water?

<p>Intracellular fluid. (D)</p> Signup and view all the answers

What physiological response occurs when the body experiences a fluid volume deficit?

<p>Increased secretion of antidiuretic hormone (ADH). (A)</p> Signup and view all the answers

Which clinical manifestation is commonly observed in a patient experiencing fluid volume deficit during the perioperative period?

<p>Tachycardia and hypotension. (D)</p> Signup and view all the answers

What is the effect on hematocrit levels in a patient experiencing dehydration?

<p>Hematocrit levels increase due to hemoconcentration. (B)</p> Signup and view all the answers

Flashcards

RN role: Deteriorating patient

The RN assesses, monitors, and intervenes when a perioperative patient shows signs of deterioration, ensuring patient safety.

Interventions: Patient deteriorates

Interventions include assessing vital signs, administering oxygen, notifying the surgeon, and preparing for advanced life support if needed.

What is Tonicity?

The concentration of a solution compared to another solution. Determines fluid movement in/out of cells.

Fluid Replacement Therapy

Involves using fluids to correct imbalances such as dehydration or electrolyte deficiencies.

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Fluid Shifts

Fluids move between intracellular, interstitial, and intravascular spaces based on osmotic and hydrostatic pressures.

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Mechanisms of Fluid Shift

Osmotic pressure, hydrostatic pressure, and oncotic pressure influence fluid movement between compartments.

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Fluid Compartments

Intracellular (inside cells), interstitial (between cells), and intravascular (in blood vessels).

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Fluid Alterations: What Happens?

Imbalances can lead to dehydration, edema, electrolyte imbalances, and altered organ function.

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Manifestations: Fluid Deficit

Include dry mucous membranes, decreased urine output, tachycardia, hypotension, and delayed capillary refill.

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Study Notes

  • Registered nurses play a critical role in caring for perioperative patients whose condition is deteriorating.
  • Nursing interventions are essential when a patient's condition declines in the recovery room or postoperative surgical ward.
  • Understanding fluid tonicity is important for correcting body fluid imbalances.
  • Various fluid replacement therapies are available to address different fluid imbalances.
  • Fluids shift throughout the body, influenced by multiple mechanisms.
  • Different types of fluid compartments exist within the body.
  • Fluid alterations can lead to specific changes and effects within the body.
  • Recognizing clinical signs of fluid balance deficit is crucial during the perioperative period.

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