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 Cisapride is a serotonin and cholinergic agonist used as a prokinetic drug, it was withdrawn from the U.S. market because of cardiovascular toxicity.Non-selective agonists.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 Cisapride is a serotonin and cholinergic agonist used as a prokinetic drug, it was withdrawn from the U.S. market because of cardiovascular toxicity.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.
2. Uncross your legs. Don't sit with your legs crossed for a long time because it can cut off circulation causing you to get spider veins. 3. Limit your salt. Too much salt in your diet is one of the major causes of spider veins. 4. Don't smoke. Studies have shown that smokers are more likely to get spider veins. 5.ncross your legs. Don't sit with your legs crossed for a long time because it can cut off circulation causing you to get spider veins. 3. Limit your salt. Too much salt in your diet is one of the major causes of spider veins. 4. Don't smoke. Studies have shown that smokers are more likely to get spider veins. 5.