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)
Causes. Mitral regurgitation may be caused by: 1  Mitral valve prolapseâAbnormal closure of the valve with protrusion of a leaflet tip backward into the left atrium, causing it to leak. 2  Infections that cause scarring of the heart valve, such as rheumatic fever or bacterial endocarditis.