His health began to fail and started suffering from paroxysms dyspnoea, with a sensation of impending suffocation, and was described as utter prostration of all muscular power.
He is given credit for the first description of acute, chronic, endemic and epidemic, and use terms such as, exacerbation, relapse, resolution, crisis, paroxysm, peak, and convalescence.
Its main task is to display the especial sensation of a paroxysm, crisis and spiritual degradation which are present at consciousness of the person living in the totalitarian validity.