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)
This is not a direct indication as to how commonly these diseases are the actual cause of Rheumatoid factor positive, but gives a relative idea as to how frequent these diseases are seen overall. 1  3 diseases that are common. 2  2 diseases that are very rare. 3  8 diseases without any prevalence information. Causes of Rheumatoid factor positive that are common The following causes of Rheumatoid factor positive are diseases or conditions that affect more than 1 million people in the USA: Connective tissue diseases.