Emergency percutaneous coronary intervention to a rare coronary anomaly

Summary An anomalous single coronary artery is a rare finding, which occurs with a frequency reported to be between 0.024% and 0.066%. In this case report we discuss the presentation and percutaneous treatment of ongoing myocardial ischemia in a patient with previously undiagnosed isolated single coronary artery of Lipton type R-I, which is the rarest of the coronary anomalies and occurs with a frequency of