In which condition would you expect to see Kussmaul’s respirations?

Kussmaul’s respirations are characterized by deep, labored breaths that are often rapid and indicative of the body’s attempt to expel excess carbon dioxide. This breathing pattern is most commonly associated with metabolic acidosis, particularly diabetic ketoacidosis (DKA). In DKA, the body experiences a significant accumulation of ketones, resulting in a decrease in blood pH. To compensate for the acidosis, the respiratory system increases ventilation to eliminate carbon dioxide, leading to the distinct pattern of Kussmaul's respirations.

In contrast, conditions such as chronic obstructive pulmonary disease and asthma exacerbation typically lead to a different breathing pattern, often marked by various degrees of airflow obstruction and may include wheezing or prolonged expiration rather than Kussmaul’s. Pneumonia generally presents with shallow breathing due to discomfort and hypoxia but does not typically result in the deep, compensatory patterns seen in metabolic acidosis. Thus, Kussmaul's respirations are specifically a response to the acidotic state found in diabetic ketoacidosis.