ARRI-QANSAD Software for quantitative coronary angiography
and ventriculography as single-workstation license.

• Evaluation of digitalized cinefilm
  and digital angiograms
• Evaluation of mono- and biplane
  projections
• Window- and menu-orientated operation
• Self learning macros
• Graphical and alphanumeric
  representation of the results
• Network interface
• Operating system SUN-OS (Unix)
• Documentation for user
  and system administrator

• Basis image enhancement
• Internal data base for img / patients
• Several methods of calibration
• Error correction of X-ray image

• Point spread correction
• Pincushion distortion
• Enlargement factors

• Manual measuring, caliber method
• Automatic quantification of stenoses

• Monoplane and biplane projections
• Automatic tracking of vessel centerline
• Automatic determination of contours
• Interactive possibility to
  correct vessel contour
• Correction of errors
  caused by image generation:

• Distortion of image intensifier
• Point spread function
• Graphic and statistic evaluation
  of diameter and densitometry functions
• Densitometric analysis of vessel
  and image background
• Automatic choice of reference
  locations at the stenosis
• 3D-reconstruction of the vessel
  from one or two views
• Calculation of the arteriosclerotic plaque
• Analysis of the vessel concerning
  geometric and functional aspects

• available are:

• contour input on angiograms
  or graphic tablets
• analysis of volume and ejection fraction(EF)
  by the standard formulas of Dodge-Sandler,
  Wynne, Simpson, Arvidsson, Arcilla and Ferlinz
  
• wall motion analysis
  by the formulas of Herman/Gorlin,
  Ingels,Harris/Clayton ,Centerline and Slager
• combination with vital parameters
• definition an entry of wall motion into collectives