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 of Atrial Fibrillation AFib is usually caused by damage to the heart structure. Some people are born with abnormalities that cause AFib, while others develop the condition due to high blood pressure, heart attacks, overactive thyroid glands, emphysema, sleep apnea, or previous heart surgeries.