Hemochron ACT (Activated Clotting Time) analysers
POCT Test Name
Activated Clotting Time
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Instruments Hemochron 401 Hemochron Response Hemochron Elite |
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Location within CDHB
Radiology DSA, Christchurch Hospital - 401 model.
Cardiac Cath Lab, Christchurch Hospital- Response model.
Operating Room -Theatre 9, Christchurch Hospital- Signature Elite.
Tests measured
Heparin monitoring with or without Aprotinin.
Sample and volume requirements
Fresh whole blood- 2mL. Elite: 200µL to fill cuvette well.
Consumables
401/Response
FTCA510/HRFTCA510- regular testing
FTK-ACT/HRFTK-ACT- Aprotonin use only
Signature Elite
State-of-the-art features like barcode scanning, internal Electronic Quality Control (EQC), QC Lockout and alphanumeric data entry for Patient Identification (PID) and Operator Identification (OID).
Controls
Electronic QC
Liquid quality control- normal and abnormal
Reference Ranges
Normal range- healthy donors
RFTCA 510 tubes: 105 – 167 seconds
FTK-ACT tubes: 91 – 151 seconds
Normal range- cardiopulmonary bypass patients
HRFTCA 510 tubes: 86 - 147 seconds
FTK-ACT tubes: 89 - 153 seconds
ECMO therapeutic ranges
220 – 260 seconds, varies according to patient diagnosis
Paediatric dialysis, therapeutic ranges
180 – 220 seconds
(Reference Ranges are taken from the Hemochron package insert)
Specimen Rejection
Tissue thromboplastin
Indwelling intravenous (IV( solutions
Alcohol cleansing solutions
Visible clots or debris
Competencies
Available. Please refer to the POCT Coordinator
