Case Report
Erroneous Activated Coagulation Time During Atrial Flutter Ablation
Table 3
Recommended steps when ACT is unexpectedly prolonged.
| (1) Examine patient for signs of excessive bleeding | (2) Confirm correct doses of heparin administered | (3) Confirm no heparin being administered in error via intravenous lines | (4) Perform ACT in duplicate, with two devices | (5) Repeat ACT with a Cartridge/test tube from a new lot | (6) Send APTT to central laboratory | (7) Consider tests listed in Table 2 to confirm the presence of heparin in blood | (8) Consider Anti-Xa assay, if available |
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