Double interatrial septum is an extremely rare congenital anomaly which forms a distinguished midline interatrial chamber between the two atria. The objective of this case report is to highlight this unusual anomaly and to discuss the potential complications of this condition. We report the case of a 6-year-old asymptomatic child who underwent cardiac evaluation for a soft systolic murmur eventually being diagnosed with double interatrial septum.
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http://dx.doi.org/10.1111/echo.14858 | DOI Listing |
J Med Cases
November 2024
Cardiology Department, Nicosia General Hospital, Nicosia, Cyprus.
The phenomenon of double interatrial septum (DIAS) represents a particularly rare subtype of atrial septal malformation, characterized by the presence of dual membranes separating the atria, resulting in a distinctive interatrial space. This unique anatomical structure has been linked to a paradoxical right-to-left shunt, potentially contributing to embolic ischemic strokes. Within this context, we report a rare case of a 34-year-old female who presented with a transient ischemic attack (TIA) and was diagnosed with patent foramen ovale (PFO) and a small adjacent atrial septal defect (ASD), along with the presence of a DIAS.
View Article and Find Full Text PDFCardiol Young
October 2024
Nantes Université, CHU Nantes, Department of Pediatric Cardiology and Pediatric Cardiac Surgery, FHU PreciCare, Nantes, France.
The atrial flow regulator is a new self-expandable double-disc fenestrated device providing a calibrated inter-atrial communication. Paediatric reports are scarce. We herein describe a case of complete atrioventricular block complicating the exemption use of an atrial flow regulator in a 5-kg infant with transposition of the great arteries, ventricular septal defect, and right ventricular outflow tract obstruction.
View Article and Find Full Text PDFJ Electrocardiol
September 2024
Department of Cardiology, The Second Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang 314000, China; Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116000, China. Electronic address:
Seldom are reports of phase 4 block or bradycardia-dependent conduction block in atrial tissue found in the literature. Here, we describe the case of a patient with sick sinus syndrome with Torsade de Pointes who, following the implantation of a double-chamber implantable cardioverter defibrillator, developed intra-atrial bradycardia-dependent conduction block. The patient's optimal pacing parameters were achieved by raising the rate.
View Article and Find Full Text PDFHeartRhythm Case Rep
July 2024
Heart & Vascular Institute of Eastern Kentucky at Pikeville Medical Center, Pikeville, Kentucky.
Front Cardiovasc Med
July 2024
University Cardiology Department, I.R.C.C.S. Ospedale Galeazzi- Sant'Ambrogio, Milan, Italy.
Background: Even though the optimal management of a moderate or large residual shunt following patent foramen ovale (PFO) closure is open to question, recent data confirmed that it is associated with an increased risk of stroke recurrence.
Case Summary: A 48-year-old woman, a migraineur with visual aura, was diagnosed with a PFO associated with a huge multifenestrated atrial septal aneurysm (mfASA) and a moderate right-to-left shunt, detectable only after a Valsalva maneuver on contrast-transthoracic echocardiography. Brain magnetic resonance imaging showed a 1-mm silent white matter lesion in the right frontal lobe.
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