they can appear in vascular diseases ( arterial hypertension , systemic immunopathies , immune complex vasculitis etc . ) , in rheological diseases ( paraproteinemia , hyperlipoproteinemia , polyglobulia etc . ) and in disturbances of transport and diffusion of oxygen ( carbon monoxide intoxication , methemoglobinemia , hyperlipoproteinemia ) .
C0042373
vascular diseases
C0020538
arterial hypertension