Unusually looped and muzzled branches of right coronary artery

Anitha Guru, Naveen Kumar, Prasad Alathady Malloor, Jyothsna Patil, Ashwini Aithal Padur

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Coronary artery disease (CAD) is the major cause of death in developed countries as it accounts on an average for 1 of every 5 deaths. Morphological variations of coronary arterial system is one of the causative factor for CAD. Anatomical knowledge of all possible variant patterns of coronary arterial system is imperative in the diagnostic and therapeutic approach of CAD. We report here a rare branching pattern of right coronary artery (RCA). The origin of RCA was normal but the course and branching pattern of it were atypical. RCA was not occupying its usual position in atrioventricular (coronary) sulcus and its course was incomplete. It gave a ventricular branch to right ventricle, which presented an unusual looping pattern. It terminated as right marginal artery following its muzzled appearance within the musculature of the ventricle.

Original languageEnglish
Article number12
JournalOnline Journal of Health and Allied Sciences
Issue number4
Publication statusPublished - 2016

All Science Journal Classification (ASJC) codes

  • Medicine(all)


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