Agent A/V effect Dilution Dose Range Comments Nitroprusside (art & ven) 100 mg/250 ml 1-10 ug/kg/min CN toxicity Incr. Pul Shunt. Trimethaphan (arterial) 500 mg/250 ml 1-6 mg/min Neg. Inotroph Tachyphylaxis Nitroglycerin (ven > art) 200 ug/ml 1-5 ug/kg/min