Instead of the liquid chemical, a special type of foam is injected into the affected vein. The injection is guided to the vein using an ultrasound scan. Although this treatment has been proven to be effective, it can cause side effects, including: 1  blood clots in other leg veins, 2  headaches, 3  fainting, and. To ease symptoms. 2  If your varicose veins are causing you pain or discomfort. 3  Complications. 4  You may require treatment if your varicose veins cause you to develop complications, such as leg ulcers, swelling or skin discolouration. 5  Cosmetic reasons.
Pheochromocytoma and irregular blood pressure. A pheochromocytoma can cause wild fluctuations in blood pressure with normal blood pressure in between spells. This can make the condition more difficult to detect.The graph shows a nine-day period of short, irregular bursts in blood pressure due to a pheochromocytoma. pheochromocytoma can cause wild fluctuations in blood pressure with normal blood pressure in between spells. This can make the condition more difficult to detect.
Constriction of blood vessels and increase in heart rate does raise blood pressure, but only temporarily; when the stress reaction goes away, blood pressure returns to its pre-stress level.This is called situational stress, and its effects are generally short-lived and disappear when the stressful event is over.hronic (constant) stress causes our bodies to go into high gear on and off for days or weeks at a time. The links between chronic stress and blood pressure are not clear. Although stress does not clearly cause heart disease, it can play a role in general wellness.