Case Report

Erroneous Activated Coagulation Time During Atrial Flutter Ablation

Table 1

Causes of prolonged activated coagulation time.

Unfractionated heparin
Low molecular weight heparin
Lupus anticoagulant
Hypothermia
Hemodilution
Hypofibrinogenemia
Factor deficiencies
Thrombocytopenia
Aprotinin