The best replacement for pci is agp.

The best alternatives to pci are rated as following:
★★★★★  agp
★★★★★  pci express
★★★★  pcie
★★  cabg
★★  pci-x
★★  usb
★★  isa
★  usb wireless adapter
★  agp video card
★  peg
★  usb wifi
★  pcie sound card
★  pci x
★  ptca
★  pcie x1
★  pci-e
  apg
  pci e
  pcie network card
  usb wireless
  thrombolysis
  pci-express
  peg bios
  firewire
  agp video cards
  pci express x1
  pcie slots
  agp slot
  pci peg
  pci express slot
  agp graphics card
  pci express slots
  pci express for video card
  thrombolytics
  pci express video card
  pcix
  fibrinolysis
  cardiac cath
  agp slots
  pci-e nic
  pci 2.0
  wireless usb
  usb network adapters
  streptokinase
  pci express x16
  usb wireless adaptor
  64 bit pci
  catheterization
  sata ssd
  vme
  pcie video card

Your alternative for pci is not listed? Suggest!
Speaking about pci, one probably shouldn't forget about stent placement.

Other search terms related to pci and their ratings are:
★★★★★ stent placement
★★ mi
★ stemi
★ ami
heart cath
stents
You have in mind a companion for pci and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pci in all years. Click on graph for more.
pci
agp
pci express