Fluid and Electrolyte Imbalances in Nursing
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Questions and Answers

What assessment should be performed to monitor potential fluid retention in a patient?

  • Monitor skin turgor at the change of shift
  • Measure blood pressure daily
  • Weigh the patient daily under consistent conditions (correct)
  • Assess urinary output every hour
  • Which symptom may indicate fluid volume excess in a patient?

  • Dry mucous membranes
  • Elevated blood glucose levels
  • Decreased respiratory rate
  • Increased blood pressure (correct)
  • Which neurological change should be assessed in patients experiencing fluid volume alterations?

  • Pupil dilation
  • Improved cognitive function
  • Affect changes such as confusion or lethargy (correct)
  • Increased reaction time
  • How does fluid volume deficit typically impact respiratory status?

    <p>Results in increased respiratory rate due to hypoxia</p> Signup and view all the answers

    What is the relationship between weight gain and fluid retention?

    <p>1 kg weight gain is equal to 1000 mL fluid retention</p> Signup and view all the answers

    Which of the following is NOT a clinical manifestation of hypovolemia?

    <p>Hyperactivity</p> Signup and view all the answers

    What lab finding may indicate dehydration in hypovolemia?

    <p>Increased hematocrit</p> Signup and view all the answers

    Which treatment is primarily used to replace both water and electrolytes in hypovolemia?

    <p>Lactated Ringer's solution</p> Signup and view all the answers

    Which of the following could indicate a successful management of hypovolemia?

    <p>Stable blood pressure</p> Signup and view all the answers

    What is dehydration primarily characterized by?

    <p>Loss of pure water without corresponding loss of sodium</p> Signup and view all the answers

    Which condition is NOT a possible cause of ECF volume excess?

    <p>Dehydration</p> Signup and view all the answers

    Which of the following is a cause of hypovolemia?

    <p>Chronic laxative abuse</p> Signup and view all the answers

    What is the primary result of blood loss in hypovolemia?

    <p>Decreased cardiac output</p> Signup and view all the answers

    What type of IV solution is typically used to replace both water and needed electrolytes?

    <p>Lactated Ringer's solution</p> Signup and view all the answers

    Which type of fluid is administered when rapid volume replacement is indicated?

    <p>Isotonic (0.9%) sodium chloride</p> Signup and view all the answers

    Which of the following symptoms is NOT commonly associated with fluid volume deficit?

    <p>Increased skin turgor</p> Signup and view all the answers

    What is a key monitoring parameter to assess fluid volume deficit?

    <p>Input and output</p> Signup and view all the answers

    How is hypervolemia characterized?

    <p>Increased intravascular fluid</p> Signup and view all the answers

    Which condition can lead to fluid volume deficit due to disease processes?

    <p>Diabetes Insipidus</p> Signup and view all the answers

    What is a common clinical manifestation of fluid volume deficit?

    <p>Postural hypotension</p> Signup and view all the answers

    What is the principal cation found in intracellular fluid?

    <p>Potassium</p> Signup and view all the answers

    What is the primary form of therapy for managing fluid volume excess?

    <p>Diuretics and fluid restriction</p> Signup and view all the answers

    Which of the following is NOT a clinical manifestation of hypervolemia?

    <p>Hypotension</p> Signup and view all the answers

    How many kilograms of weight gain correspond to approximately 1000 mL of fluid retention?

    <p>1 kg</p> Signup and view all the answers

    What indicates a patient is at risk for hypovolemic shock?

    <p>Fluid loss without replacement</p> Signup and view all the answers

    Which nasal diagnosis is associated with the risk for impaired skin integrity?

    <p>Excess fluid volume</p> Signup and view all the answers

    Which of the following symptoms may indicate hypervolemia?

    <p>Peripheral edema</p> Signup and view all the answers

    What may be necessary if fluid excess leads to ascites or pleural effusion?

    <p>Abdominal paracentesis or thoracentesis</p> Signup and view all the answers

    What measurement indicates concentrated urine?

    <p>Greater than 1.025</p> Signup and view all the answers

    What is a potential complication of hypervolemia?

    <p>Pulmonary edema</p> Signup and view all the answers

    What cardiovascular change might indicate a fluid volume deficit?

    <p>Orthostatic hypotension</p> Signup and view all the answers

    Which nursing diagnosis is more likely to be associated with hypovolemia?

    <p>Decreased cardiac output</p> Signup and view all the answers

    What complication can arise from excess fluid in the body?

    <p>Pulmonary edema</p> Signup and view all the answers

    Which action is essential for accurately assessing fluid retention in patients?

    <p>Weigh the patient at the same time daily on a calibrated scale</p> Signup and view all the answers

    Which of the following is a nursing implementation for monitoring fluid volume?

    <p>Monitoring I &amp; O</p> Signup and view all the answers

    What respiratory symptom might be observed in a patient with fluid excess?

    <p>Moist crackles on auscultation</p> Signup and view all the answers

    How does fluid deficit affect the respiratory rate?

    <p>It increases due to decreased tissue perfusion</p> Signup and view all the answers

    What are the common classifications of fluid and electrolyte imbalances?

    <p>Deficits and excesses</p> Signup and view all the answers

    A patient with prolonged nasogastric suction is most likely to experience a deficiency of which electrolytes?

    <p>Na+, K+, H+, and Cl–</p> Signup and view all the answers

    Which condition is synonymous with ECF volume deficit?

    <p>Hypovolemia</p> Signup and view all the answers

    Which of the following could cause fluid and electrolyte imbalances directly?

    <p>Burns or heart failure</p> Signup and view all the answers

    What can lead to metabolic alkalosis in a patient suffering from electrolyte imbalances?

    <p>Loss of hydrochloric acid (HCl)</p> Signup and view all the answers

    What nursing process principle is important when managing fluid and electrolyte imbalances?

    <p>Utilizing the nursing process and collaboration</p> Signup and view all the answers

    Which of the following best differentiates fluid volume deficit from dehydration?

    <p>Fluid volume deficit involves more considerations than just water loss</p> Signup and view all the answers

    Which therapeutic measure can result in fluid and electrolyte imbalances?

    <p>IV fluid replacement</p> Signup and view all the answers

    Study Notes

    Fluid and Electrolyte Imbalances

    • Outcomes: Describe safe, patient-centered, evidence-based nursing care for adults, guided by the Caritas philosophy. Discuss critical thinking and clinical reasoning to provide quality patient care.

    Competency

    • Describe factors creating a culture of safety related to medication administration.
    • Discuss critical thinking and clinical judgment used for accurate, safe medication administration.

    Concept

    • Fluid and Electrolyte: Physiological mechanisms maintaining fluid and electrolyte balance promoting bodily functions.

    Unit Outcomes

    • Describe the nursing process and collaborative management when caring for patients with fluid and electrolyte imbalances.
    • Fluid imbalances:
      • Extracellular fluid volume deficit
      • Extracellular fluid volume excess

    Fluid and Electrolyte Imbalances Overview

    • Directly caused by illness or disease (e.g., burns, heart failure).
    • Result of therapeutic measures (e.g., IV fluids, diuretics).
    • Classified as deficits or excesses.
    • Example: Prolonged nasogastric suction may cause Na+, K+ deficiency; fluid volume deficit, and metabolic alkalosis.
    • Imbalances commonly occur in patients with major illnesses or injuries due to disrupted homeostatic mechanisms. Imbalances can be directly caused by illness or disease, or by therapeutic measures (e.g., IV fluids/medications).

    Extracellular Fluid Volume Imbalances

    • Deficit (Hypovolemia): Not the same as dehydration. Dehydration is only water loss, whereas Hypovolemia involves loss of both water and sodium. This results in decreased blood volume (intravascular fluid), and increased interstitial fluid (edema)
      • Intracellular fluid contains: Solutes (oxygen, electrolytes, glucose). Cations (potassium, magnesium). Anions (phosphate, sulfate).
      • Extracellular fluid contains: Principal electrolytes (sodium, chloride, bicarbonate). Interstitial fluid (surrounds cells). Intravascular fluid (plasma). Transcellular and lymph fluids.
    • Excess (Hypervolemia/Edema): Increased intravascular fluid.

    Possible Causes of ECF Volume Deficit (Hypovolemia)

    • Abnormal loss of body fluids (e.g., vomiting, diarrhea, GI suctioning, fistulas, chronic laxative/enema use).
    • Renal losses (e.g., diuretics, renal disorders, endocrine disorders).
    • Hemorrhage.
    • Excessive sweating, increased temperature.
    • Inadequate intake.

    Fluid Volume Deficit Clinical Manifestations

    • Initial signs: thirst, dry mucus membranes, decreased urine output, weakness, lethargy, postural hypotension.
    • Possible hypovolemic shock: hypotension, tachycardia, tachypnea, decreased/absent urine output, decreased cardiac output. Coma, death.
    • Assessments: intake and output, vital signs (orthostatic blood pressure/pulse), skin turgor, mucous membrane moisture, capillary refill.
    • Labs may show an increased hematocrit due to relative concentration of RBCs with less fluid in the vasculature.

    Fluid Volume Deficit Management (Hypovolemia)

    • Treatment: Replace water and electrolytes.
    • PO fluids
    • IV fluids (Lactated Ringers or isotonic 0.9% sodium chloride): used for rapid volume replacement when caused by blood loss/ volume loss and isotonic 0.9% sodium chloride when needed rapid volume replacement.
    • Evaluation: Monitor intake and output, blood pressure.

    Possible Causes of ECF Volume Excess (Hypervolemia)

    • Retention of sodium and water (e.g., heart failure, liver cirrhosis, renal failure, increased ADH & aldosterone in stress conditions).
    • Excessive intake of sodium-containing foods, drugs causing sodium retention, sodium-containing IV fluids.

    Fluid Volume Excess Clinical Manifestations

    • Excess volume: weight gain ( > 5% body weight)
    • Circulatory overload: bounding pulse, jugular vein distention, increased central venous pressure.
    • Respiratory distress: Dyspnea/orthopnea, crackles, cough (pulmonary edema).
    • Other: Polyuria, ascites, edema.

    Nursing Implementation for Fluid Imbalances

    • Daily weights: Weigh patients at the same time each day, wearing the same clothes, using the same calibrated scale. A 1 kg (2.2 lbs) weight gain is equal to about 1000 ml (1 L) of fluid retention.

    • Monitor intake and output (I&O): Oral, IV, tube feedings; urine output, perspiration, wound drainage, vomiting, diarrhea).

    • Monitor fluid volume status: Include checking for changes in vital signs (blood pressure, pulse force, jugular venous distention), ECG changes, and orthostatic hypotension.

    • Assess neurologic function: Level of consciousness, pupillary response, voluntary movement.

    • Assess respiratory changes: Pulmonary congestion, shortness of breath, and crackles.

    • Other Assessments: Skin assessment (turgor), mucous membranes (moisture).

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    Description

    This quiz explores the critical aspects of nursing care related to fluid and electrolyte imbalances. It covers the physiological mechanisms, patient-centered care, and the nursing process involved in managing these imbalances effectively. Enhance your understanding of medication administration and safety within the healthcare setting.

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