ECG. Right Bundle Branch Block (RBBB)
In case of Right Bundle Branch Block a ctivation of right ventricle is delayed and spreads through the septum from the left side (left ventricle). Blockade location, both in complete and partial blocks, is usually proximal. Main causes: Pulmonary embolism Chronic obstructive lung disease. Ischaemic heart disease (myocardial infarction) Hypertensive heart disease Myocarditis Cardiomyopathy RBBB also can occur in normal individuals without underlying heart disease ECG criteria: