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.
a river in W Russia, rising in the Valdai Range and flowing through a chain of small lakes to the Rybinsk Reservoir and south to the Caspian Sea through Volgograd: the longest river in Europe. Length: 3690 km (2293 miles)