| More common |
| Aldosteronism |
| Obstructive sleep apnea |
| Renal artery stenosis |
| Renal parenchymal disease (can be cause or consequence) |
| Less common |
| Carcinoid syndrome |
| Coarctation of aorta |
| Cushing's Disease |
| Hyperparathyroidism |
| Pheochromocytoma |
| Polycythemia |
Adapted from Refs. 1, 18, and 52.