apyretic

There is occasionally no distinct apyretic interval between the two attacks, but in by far the greater number of instances the relapse occurs in the second or third week, or even later, after the establishment of convalescence.

After an apyretic period of six weeks, during which the symptoms of the amyloid visceral disease persisted, a sudden and rapidly fatal pyrexia occurred.

When, however, the apyretic period is reached, the exudation, as a rule, disappears rapidly, so that often in the course of six weeks no trace of its existence remains.

This interval or apyretic period lasts about a week, when, again without warning or provocation, the patient relapses, and is seized abruptly with the same set of symptoms which attended the first attack.

The improvement was but brief; for about eighteen hours he lay apyretic, with cool hands and feet, and with eyes closed and mind dull but free from delirium.