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Activated Clotting Time (ACT)


Research Notes on Activated Clotting Time (ACT)


Activated clotting time (ACT), also referred to activated coagulation time and automated coagulation time, is a procedure performed to monitor whole blood clotting time. ACT is used during cardiac procedures to monitor the effects of heparin and to detect deficiencies in clotting factors.1

Fast Facts:

  • Procedure can be performed at patient's bedside with instantaneous results.1
  • Temperature of blood may alter ACT results.1
  • Used during cardiopulmonary bypass, coronary angioplasty and dialysis.2
  • Described by Hatterseley in 1966.3

Top Resources on Activated Clotting Time (ACT)

Research Notes References

  1. 1.0 1.1 1.2 American Association For Clinical Chemistry (via Lab Tests Online): ACT: At A Glance
  2. Diagnostic Medical Tests: Activated Clotting Time - Patient Preparation
  3. Emergency Nursing World (ENW): Activated Clotting Time (ACT)

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About this WisdomCard

  • Contributor: Carolyn DeLucas
  • Reviewer: Tara
  • Supervised by: The OrganizedWisdom Physician Review Team
  • Redirects:Activated clotting time, Act, Activated Coagulation Time, Activated coagulation time, Automated Coagulation Time, Automated coagulation time, Activated Clotting Time Test, Activated clotting time test, Uses For Activated Clotting Time Test, Uses for activated clotting time test, ACT Uses, Act uses, Uses For ACT, Uses for act
  • Last update: Oct. 24, 2008

Each WisdomCard is handcrafted by our team of physician-guided health advocates. Our goal is to make it easy for you to find the most useful health resources for any health topic by filtering out spam and bad links.