Pulmonary hypertension is high blood pressure in the blood vessels that collect oxygen from the lungs. The oxygenated blood is supplied to the rest of the body via the relevant pumping chamber of the heart.
In most cases, the reasons for this are unknown. Two of the known causes of chronic effusive pericarditis are tuberculosis and hypothyroidism (underactive thyroid gland). Diagnosis of pericarditis. Pericarditis is diagnosed using a number of tests including: medical history; physical examination â including listening to the heart through a stethoscope.
Although several different organisms can cause endocarditis, it is usually caused by bacteria. In most cases, it develops when normal bacteria on the skin or in the respiratory, gastrointestinal, or urinary tract enter the bloodstream and lodge within a damaged heart valve or abnormal heart tissue.