| Term 
 | Definition 
 
        | Terazosin / Alpha 1 Antagonist /
 Anti-HTN /
 Structure: Quinazoline
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Clonidine / Alpha 2 Agonist (Central Acting)
 / Anti-HTN
 / Structure:Imidazoline
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Propranolol / Non-selective Beta Antagonist w/o ISA
 / Anti-HTN
 / Structure: Aryloxypropranolamines
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Pindolol / Non-selective Beta antagonist with ISA /
 Anti-HTN /
 Structure: Aryloxypropranolamine
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Atenolol / Cardioselective Beta Antagonist /
 Anti-HTN /
 Structure: Aryloxypropranolamine
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Metoprolol / Cardioselective Beta Antagonist /
 Anti-HTN /
 Structure: Aryloxypropranolamine
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Carvedilol / Mixed Alpha Beta antagonist /
 Anti-HTN /
 Structure: Aryloxypropanolamine and phenylethanolamine
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Diltiazem / 1st generation CCB Benzothiazepines / Cis-arrangement of phenyl and acetyl required for activity |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Verapamil / 1st generation CCB Phenylalkylamines / S- stereoisomer more potent |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Amlodipine / 3rd generation CCB Dihydropyridine / 1-4 dihydropyridine required for activity |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Sildenafil / PDE-5 Inhibitor / Vasodilation in PAH / Also used in Erectile Dysfunction |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Bosentan / Endothelin Antagonist / Nonselective for ETA and ETB / Used for vasodilation in PAH |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Epoprostenol / Prostacyclin Receptor Agonist / Vasodilator in PAH / Short half life |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Aliskiren / Renin Inhibitor / Inhibits the aspartyl protease |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Enalapril / ACEI / Zinc binding group is a Dicarboxylate / Acidic H accepting group |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Losartan / ARB / Active metabolite |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | Furosemide / Loop Diuretic |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Oxybutynin / AntiMuscarinic for OAB and UI |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | Triamterene / Potassium Sparing Diuretic / Sodium channel Inhibitor |  | 
        |  |