What are kussmaul respirations?

deep, rapid breathing usually as compensation for a metabolic acidosis, especially that seen with Diabetic Ketoacidosis - as a result of too much sugar in the blood

Note that at onset, it is shallow and as metabolic acidosis develops, it becomes deep and rapid. This is commonly seen in patient facing imminent death due to multiple organ failure particularly the kidneys secondary to hyperglycemia.
KUSSMAUL RESPIRATIONS IS THE DEEP, RAPID, AND LABORED BREATHING ASSOCIATED WITH ACIDOTIC STATES, PARTICULARY DIABETIC KETOACIDOSIS (DKA)
k= ketones

u=uremia

s=sepsis

s=salicylates

m=methanol

a=aldehyde

u)

l=lactic acidosis