Self-Study:

Norepinephrine functions as a peripheral vasoconstrictor and as an inotropic stimulator of the heart and dilator of coronary arteries. ... Nitroglycerin infusions should begin at a rate of 5 mcg/min. The dose rate is then increased in 5-mcg/min increments every three to five minutes until the desired effect is achieved. If no response occurs at ... ................
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