Hypertention
Secondary causes:
It is thought that between 5-10% of patients diagnosed with hypertension have primary hyperaldosteronism, including Conn's syndrome. This makes it the single most common cause of secondary hypertension.
Renal disease accounts for a large percentage of the other cases of secondary hypertension.
Conditions which may increase the blood pressure include:
glomerulonephritis
pyelonephritis
adult polycystic kidney disease
renal artery stenosis
Endocrine disorders
(other than primary hyperaldosteronism) may also result in increased blood pressure:
phaeochromocytoma
Cushing's syndrome
...