What characterizes Cheyne-Stokes respiration?

Cheyne-Stokes respiration is characterized by periods of apnea followed by a gradual increase in the depth and rate of breathing, then a decrease back to apnea. This pattern repeats cyclically and is typically seen in patients with severe illness, especially those with heart failure or neurological conditions. The hallmark of this type of respiration is the distinct cycling of breath patterns, where the breathing becomes more vigorous and then wanes, showcasing a significant fluctuation in airflow. Understanding this condition is important for medical professionals as it often indicates underlying pathologies that may require urgent attention.

The other options do not capture the essence of Cheyne-Stokes respiration: a steady rate of respiration suggests uniformity, short gasps followed by apnea implies a different respiratory pattern, and constant rapid breathing does not reflect the cyclical nature of Cheyne-Stokes.