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.
Pressure fluctuates with each beat of your heart, what we call one cardiac cycle. We remember that a cardiac cycle has two phases: diastole, which is the phase where the heart is filling with blood but not pumping, and systole, which is the phase when the ventricles contract and pump blood.