Published October 10, 2022 | Version v1
Journal article Open

Pseudo Cor Triatriatum Sinistrum due to Dilated Coronary Sinus in Association with Supramitral Ring

Creators

  • 1. Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
  • 2. Cardiovascular Imaging Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran

Description

Abstract

We herein describe a 34-year-old woman with a persistent left superior vena cava (PLSVC) impinging on the posterior wall of the left atrium, subdivided by a membrane at the distal part of the impingement. In this patient, a much dilated coronary sinus due to the PLSVC resulted in a membrane-like structure in the posterior wall of the left atrium with the appearance of the cor triatriatum in transthoracic echocardiography (ie, a pseudo cor triatriatum). Although the PLSVC is a common malformation of the superior systemic vein, its aforementioned presentation is rare.

Keywords: Persistent Left Superior Vena Cava, Cor Triatriatum, Coronary Sinus, Left Atrial Function

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