Abstract
A Rare Case of Single Right Coronary Artery with Absent Left Main Coronary Artery
Highlights
A 54-year-old female presented with chest pain and was noted to have new T-wave inversion on electrocardiograph (ECG) in leads V2-V6
A large, dominant right coronary artery (RCA) was visualised which passed around the left ventricular apex to the area normally supplied by the obtuse marginal (OM), diagonal and distal left anterior descending (LAD) arteries
Computed tomography coronary angiography (CTCA) revealed a superdominant RCA supplying the LV apex and lateral wall with no left main coronary artery (LMCA) coming off the left coronary cusp
Summary
A 54-year-old female presented with chest pain and was noted to have new T-wave inversion on electrocardiograph (ECG) in leads V2-V6. A large, dominant right coronary artery (RCA) was visualised which passed around the left ventricular apex to the area normally supplied by the obtuse marginal (OM), diagonal and distal left anterior descending (LAD) arteries. Computed tomography coronary angiography (CTCA) revealed a superdominant RCA supplying the LV apex and lateral wall with no LMCA coming off the left coronary cusp.
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