ACE and hypertensive disorder: Angiotensin-converting enzyme inhibitors (ACEIs), angiotensin receptor blockers (ARBs), diuretics (e.g., hydrochlorothiazide and furosemide), and dihydropyridine calcium channel blockers (CCBs) (e.g., amlodipine) are some examples of commonly utilized classes of antihypertensive medications in the management of the first stage of HTN [6].