The District of Columbia is a special case. It is not an actual state, and hence does not have senators or congressional representation. It is located between Virginia and Maryland on the Potomac River. It is on the Potomac River between Virginia and Maryland and coextensive with the District of Columbia.
Alcohol, caffeine, antibiotics, aspirin, or other drugs can also cause ear noises. Tinnitus may occur with hearing loss. Sometimes, it is a sign of high blood pressure, an allergy, or anemia. Rarely, tinnitus is a sign of a serious problem like a tumor or aneurysm.
And, yes, pulsatile tinnitus can really cause a thumping sound. Instead of the traditional ringing or buzzing, this form of tinnitus causes a rhythmic thumping or whooshing sound. People who have suffered from both types of tinnitus say that the pulsatile variety is far more annoying.