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 Cisapride is a serotonin and cholinergic agonist used as a prokinetic drug, it was withdrawn from the U.S. market because of cardiovascular toxicity.Non-selective agonists.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 Cisapride is a serotonin and cholinergic agonist used as a prokinetic drug, it was withdrawn from the U.S. market because of cardiovascular toxicity.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.
Varicose Vein Symptoms. Common varicose vein symptoms include leg heaviness, leg swelling, throbbing, fatigue, aching, itching, restless legs, and cramps. Visible signs of vein disease range from spider veins, varicose veins, swollen legs, to skin changes including darkening, thickening or ulceration of the tissues around the ankles. Most varicose vein problems arise when the valves in leg veins arenât working to keep the blood moving out of the legs normally.