This drug is used generally as somnorific. 5-HT4 agonists. Cisapride is a serotonin and cholinergic agonist used as a prokinetic drug, it was withdrawn from the U.S. market because of cardiovascular toxicity.Non-selective agonists. Ergotamine activates a more than one subtype of 5-HT receptor, it binds to 5-HT1A, 5-HT1D, 5-HT1B, D2 and norepinephrine receptors.his drug is used generally as somnorific. 5-HT4 agonists. Cisapride is a serotonin and cholinergic agonist used as a prokinetic drug, it was withdrawn from the U.S. market because of cardiovascular toxicity.
Lower extremity venography is a test used to see the veins in the leg. X-rays are a form of electromagnetic radiation like light, but of higher energy, so they can go through the body to form an image on film.
Vein disease is diagnosed through a physical examination and a venous ultrasound test. The ultrasound test will determine if there are any blood clots in the deep, superficial and perforator veins. Registered Vascular Technologists (RVTs) then use the ultrasound to evaluate the blood flow within the vein.