[CRYOGLOBULINEMIA AND ENDOCARDITIS AS A PRESENTATION OF COXIELLA BURNETII (Q-FEVER) INFECTION].

An infection with Coxiella burnetii (Q FEVER) can be manifested as an autoimmune or rheumatologic disease as it was presented in our patient, showing cryoglobulinemia and massive destruction of the aortic valve. In the differential diagnosis we must consider an infection with Coxiella burnatii which may change the course of the disease and may cause life-threatening manifestations.