The way Viagra works, is to make better the flow of blood that circulates around the body by incrementing the level of a protein known as phosphodiesterase 5 that is located in the phallus and presses the arteries in that area. But, this protein is also located in two other zones of the body, the lungs and the right ventricle of the heart. Pulmonary hypertension affects the blood flow to the lungs, thus restricting the arteries and stretching the right ventricle of the heart. It is similar in diagnosis to high blood pressure, but the additional exercise the heart must do to pump the protein around the human body in the blood often causes tiredness, short-wind and in extreme cases can bring about death of the patient. Having blood hypertension is easily controlled, and with the correct treatment patients can increment their life by more or less 20 years. However, if a patient has pulmonary hypertension, their life is immensely decreased. In the most serious of cases, a patient might only have three years without the right medicine, and this has a harmful effect on their life quality. No real testing was done with this medical condition, as it was hard to determine. Then, in 2002 a study was executed on a number of patients who were suffering from this state. PreviousPreceding tests with other drugs focused on healthy hearts, and did not reach successful results because it was hard to strengthen the correct ventricle in combination with lessening blood pressure and unnerving the lungs. This study included giving patients controlled amount of Viagra, and lead to unexpected outcome. Viagra was seen to be highly successful in enhancing the heart function of patients who have a affected right ventricle, and decreased the high pressure in their lungs. Because Viagra is a completely safe and natural medicine that works with the chemical imbalances in the blood run, doctors at Glasgow’s Yorkhill Children’s Hospital gave this medication to children who suffered from extreme pulmonary hypertension. The result was astonishing. Many of these infants would not have survived without this implementation of Viagra, and the cure has resulted in a breakthrough with improving patient treatmentmedicine. Viagra is also helpful in cases such as lung transplant surgery, where the right ventricle can often collapse if the lung is rejected. Viagra is thought to be one of the most popular and successful treatment in states such as erectile dysfunction, and now was proved a success in therapy for pulmonary hypertension. Expanding the blood vessels and alleviating the breathing problems of the patient is a modern breakthrough. Because Viagra has no notable side effects, it can now be prescribed to many patients of all ages who suffer from different blood related illnesses.