Criss-cross heart is an angiographically confusing malformation that can be understood by analyzing clockwise or counter-clockwise ventricular rotation.
May aid angiographic interpretation of rare criss-cross heart; extends descriptive framework but remains hypothesis-generating from Level 5 evidence.
Criss-cross heart is an angiographically confusing malformation where apparent crossing but not mixing of contrast medium is seen at atrioventricular level. The malformation can be understood by a clockwise or counter-clockwise ventricular rotation. In the normal heart or one with complete transposition ventricular rotation is clockwise. With corrected transposition rotation occurs in a counter-clockwise fashion. One case of criss-cross heart with associated corrected transposition and two criss-cross hearts occurring with complete transposition are reported.
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Tadavarthy et al. (1981) studied this question.
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