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EXPLANATION
✔Correct answer:
Breathing that is abnormally deep, regular, and increased in rate. Kussmaul's respirations are characterized by abnormally deep, regular, and increased rate of breathing. This type of respiration is a compensatory mechanism in response to metabolic acidosis, such as diabetic ketoacidosis (DKA). In DKA, the body produces excessive ketones, leading to acidosis. The deep and rapid breathing helps to blow off carbon dioxide (CO2), a component of the body's acid load, to help correct the pH imbalance.
In diabetic ketoacidosis, the lack of insulin leads to the breakdown of fats for energy, resulting in the production of ketones, which are acidic. The body attempts to compensate for this metabolic acidosis by increasing the rate and depth of respiration to excrete more CO2, thereby reducing the acid load and partially correcting the acidosis.
Imagine a house filled with smoke (acid). Opening the windows wide and turning on fans (Kussmaul’s respirations) helps to quickly clear out the smoke, making the air cleaner (balancing pH).
Nurse Parker should continue to monitor Mr. Lewis closely for signs of worsening acidosis and other complications of DKA. Interventions may include administering insulin, fluids, and electrolytes as prescribed, and continually reassessing the patient’s respiratory status.
- Monitor arterial blood gases (ABGs) to assess the severity of acidosis and the effectiveness of respiratory compensation.
- Administer insulin therapy to reduce blood glucose and ketone levels.
- Provide IV fluids to correct dehydration, a common issue in DKA.
- Monitor electrolytes, particularly potassium, which can be significantly affected by both DKA and its treatment.
- Educate the patient and family about the signs and symptoms of DKA and the importance of regular blood glucose monitoring and insulin administration.
✘Incorrect answer options:
Breathing that stops for several seconds. This describes apnea, which is not characteristic of Kussmaul’s respirations and does not relate to the compensatory mechanism seen in DKA.
Breathing that is regular but unusually slow. This describes bradypnea, which is not typical of Kussmaul’s respirations and would not be an effective response to metabolic acidosis.
Breathing that is labored, with increased depth and rate. While this option is close, the term "labored" suggests difficulty, whereas Kussmaul’s respirations, though deep and rapid, are typically not described as labored. They are deep, regular, and increased in rate, indicating a deliberate effort to correct acidosis.
References
- Ignatavicius, D. D., Workman, M. L., & Rebar, C. R. (2018). Medical-Surgical Nursing: Concepts for Interprofessional Collaborative Care. Elsevier.
- Lewis, S. L., Bucher, L., Heitkemper, M. M., & Harding, M. M. (2017). Medical-Surgical Nursing: Assessment and Management of Clinical Problems. Elsevier.