Anti-V Drug Types (natriuretic, salt-volume depleting)
               Aldosterone receptor blockers
               Thiazide diuretics
               Calcium channel blockers (CCB’s)
               Alpha adrenergic blockers

Anti-R Drug Types (anti-renin, anti-vasoconstrictor)
r1:    Renin-angiotensin system blockers:
               Angiotensin converting enzyme inhibitors (ACEI’s)
               Angiotensin receptor blockers (arb’s)
               Direct renin inhibitors (DRIs, e.g. aliskiren)
r2:    Drugs that suppress renal renin secretion:
               Beta blockers
               Centrally acting alpha agonists (guanfacine, clonidine)
               Reserpine