Which type of respiratory failure involves too much carbon dioxide in the bloodstream?

The correct answer is Hypercapnic Respiratory Failure, which occurs when there is an excess of carbon dioxide (CO2) in the bloodstream, typically due to inadequate ventilation. This type of respiratory failure is often characterized by a failure of the respiratory system to remove CO2 effectively, leading to an increase in its levels in the blood.

Understanding this condition is crucial as it can result from various issues such as respiratory muscle fatigue, obstruction of airways, or central nervous system problems that impair the ability to breathe properly. In Hypercapnic Respiratory Failure, patients may present with signs such as confusion, lethargy, and in severe cases, may need interventions like non-invasive ventilation or intubation to correct the CO2 levels.

To provide context regarding the other options, Hypoxemic Respiratory Failure primarily pertains to inadequate oxygen levels in the blood, not CO2 levels. Ventilatory Failure can encompass both hypoxemic and hypercapnic scenarios, but it specifically refers to the mechanical aspect of breathing rather than the elevated CO2 itself. Lastly, Acute Respiratory Failure is a broader term that includes any sudden failure of the respiratory system, either hypoxemic or hypercapnic, but does not specify the issue of elevated CO2.