ABCD

ABCD is an abbreviation for:

  • ABCD matrices, see Matrizenoptik, a calculation method in geometrical optics, in which the variation of light beams through optical devices with the help of matrices is determined, it is also called, after its four entries, ABCD matrices
  • ABCD2 score (also ABCD ² score), a medical scoring system for risk assessment of stroke after transient ischemic attack (TIA ) can be used
  • ABC paulista, Large ABC Region (Portuguese: Região do Grande ABC) or ABCD, a Brazilian industrial area on the outskirts of the city of São Paulo
  • Advanced Cardiac Life Support, as described in the guidelines of professional societies European Resuscitation Council (ERC ) and American Heart Association ( AHA) advanced measures as part of a resuscitation, to end a cardiac arrest and treat the underlying condition, see Advanced Life Support
  • Disambiguation
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