what's Aortic Regurgitation?

Aortic Regurgitation :
   *may result from pathology of the aortic valve, the aortic root, or both; it is important that both the valve and the root are evaluated to determine the appropriate management and treatment
   * usually develops insidiously with a long asymptomatic period; when it occurs acutely, it is often associated life threatening and must be managed aggressively