Left Atrium

Standard Definitions¶

• Left Atrial Area
  • The area of the left atrium at end-ventricular systole in the 4-chamber view reported in cm2
• Left atrial volume
  • The volume of the left atrium at end-ventricular systole reported in mL
• Left Atrial Size
  • Normal
  • Reduced
  • Mildly enlarged
  • Moderately enlarged
  • Severely enlarged
  • Dilated, unable to characterize further
  • Unknown