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dobutamine hydrochloride. A synthetic beta-agonist whose primary effect is to increase cardiac contractility, with little effect on systemic vascular resistance. It produces less tachycardia than dopamine and has no effect on renal blood flow. It is of use in congestive heart failure and cardiogenic shock.
Tramadol hydrochloride is a centrally acting analgesic with minor opioid agonist properties that make it suitable for the treatment of acute pain.he authors conclude that tramadol hydrochloride is less effective in the management of acute pain in patients with musculoskeletal pain following trauma than hydrocodone with acetaminophen.