The most common symptom of PKD is high blood pressure. Other symptoms are: 1  Pain in the back and side. 2  Blood in the urine. 3  Frequent kidney infections.he most common symptom of PKD is high blood pressure. Other symptoms are: 1  Pain in the back and side. 2  Blood in the urine. 3  Frequent kidney infections.
The longest river of Europe is the River Volga. It flows primarily in a southerly direction through Russia into the Caspian Sea. The second longest is the Danube, flows west to east before entering the Black Sea.
The Volga River. The Volga River is the longest river in Europe, about 2,300 miles (3,700 km). It originates at an elevation of only 740 feet (225 m) in the Valday Hills northwest of Moscow, connects with the Rybinsk Reservoir. The river heads east past Yaroslavl, Nizhny Novgorod and Kazan. From there it turns south past Samara and Volgograd.