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Updated: Nov 16, 2025

Retrospective Cardiac Gating with A Prototype Small-Animal X-ray Computed Tomograph
Published on: February 21, 2025
Cardiac CT in criss-cross heart
Harsumeet Singh Sidhu1, Munish Guleria1
1Department of Radiodiagnosis, ABVIMS and Dr RML Hospital, New Delhi, India.
Abstract:
A criss-cross heart is an uncommon congenital rotational anomaly. It accounts for less than 0.1% of all congenital heart defects. The anomaly is characterized by crossing of the atrioventricular connections caused by rotation of the heart about its long axis. It is commonly associated with diverse cardiac defects. Cardiac CT imaging of criss-cross heart is sparse. We present a case of 1-year-old child with chief complaints of bluish discoloration of the body and fast breathing. Cardiac CT revealed atrial situs solitus, criss-cross-atrioventricular connections, atrioventricular discordance, double outlet right ventricle and dextro-malposed great arteries (Van Praagh S,D,D).
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