The patient is admitted in a near comatose state with a blood glucose level of 750 . His respiratory rate is 42 breaths per minute, and his respiratory pattern is deep and regular. What is this type of breathing known as?
a. Cheyne-Stokes respiration
b. Biot's respiration
c. Bradypnea
d. Kussmaul's respiration
D
Respirations are abnormally deep, regular, and increased in rate. This is common in diabetic ketoacidosis. With Cheyne-Stokes respirations, respiratory rate and depth are irregular, characterized by alternating periods of apnea and hyperventilation. The respiratory cycle begins with slow, shallow breaths that gradually increase to abnormal rate and depth. The pattern reverses, and breathing slows and becomes shallow, climaxing in apnea before respiration resumes. With Biot's respirations, respirations are abnormally shallow for two to three breaths followed by an irregular period of apnea. With bradypnea, the rate of breathing is regular but abnormally slow (fewer than 12 breaths per minute).
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