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Intercoronary communication between the circumflex and right coronary artery
  1. K F Rajesh,
  2. M P Ranjith,
  3. C G Sajeev,
  4. M N Krishnan
  1. Department of Cardiology, Government Medical College, Kozhikode, Kerala, India
  1. Correspondence to Dr K F Rajesh, Department of Cardiology, Government Medical College, Kozhikode, Kerala 673008, India; drrajeshkf{at}

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A 62-year-old hypertensive, dyslipidemic male presented with history of effort angina for 8 months. His baseline ECG was normal, and treadmill test was strongly positive for inducible ischaemia. Transthoracic echocardiogram was normal. A coronary angiogram was subsequently done. Selective injection of the right coronary artery (RCA) showed retrograde filling of the circumflex artery and a tight proximal RCA lesion, whereas, left coronary injection did not fill the RCA due to proximal total occlusion of left circumflex (LCX). In view of LCX occlusion, it was thought that retrogradely filling vessel from the right is …

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