Key result
Double interatrial septum (DIAS) is readily diagnosed by TEE but presents challenges for transseptal puncture and has poorly defined implications for anticoagulation therapy.
Double interatrial septum (DIAS) is an incidental finding that is readily diagnosed by TEE and presents challenges for transseptal puncture during AF ablation.
Warrants careful pre-procedural TEE planning for structural interventions; leaves open the optimal anticoag.
•DIAS is readily diagnosed by TEE but is more difficult to detect by MRI.•DIAS presents challenges for transseptal puncture.•Implications of DIAS for anticoagulation therapy are poorly defined.
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Deegan et al. (2018) studied this question. Double interatrial septum (DIAS) is readily diagnosed by TEE but presents challenges for transseptal puncture and has poorly defined implications for anticoagulation therapy.
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