Resuscitation Review Blog
Metabolic emergencies

DKA Physiology: Why the Patient Is Breathing So Fast

The rapid breathing in DKA is not anxiety.

It is compensation.

Patients with diabetic ketoacidosis develop metabolic acidosis from accumulation of ketoacids. To defend pH, the respiratory system lowers PaCO2 through deep, rapid ventilation.

This is Kussmaul respiration.

The patient is using minute ventilation as a buffer system.

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