The primary cause of toxicity is eating, drinking, and breathing toxins and chemicals on a regular basis, whether you are aware of it or not. We live in a toxic world; chemicals and toxins are everywhere.
Causes of RBBB. 1  Right ventricular hypertrophy / cor pulmonale. 2  Pulmonary embolus. 3  Ischaemic heart disease.  Rheumatic heart 1  disease. Myocarditis or cardiomyopathy.  Degenerative disease of the conduction 1  system. Congenital heart disease (e.g. atrial septal defect)
Mitral valve regurgitation cause anemia - Could mitral valve regurgitation cause anemia? Unlikely. If one has mixed mitral valve disease with a heavily calcified mitral valve that is both stenotic and regurgitant, one could imagine marked turbulance of the blood flow across the mitral valve with destruction of rbc's however, this is very unlikely.