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Click 52 year old male with anomalous coronary sinus communication to the left atrium. FINDINGS: Axial CTA of the pulmonary veins demonstrates an anomalous bridging vein communicating the coronary sinus to the left atrium. TECHNIQUE: Axial CT, Siemens SOMATOM Definition, 12573 mAs, 120 kV, 2mm slice thickness with 0.75mm reconstruction, 80 ml Omnipaque 350, DLP 1519 mGycm, CTDIvol 172.77 mGy .

Click 52 year old male with anomalous coronary sinus communication to the left atrium. FINDINGS: Off-axis transesophageal echocardiogram demonstrates an anomalous communication between the coronary sinus and the left atrium. Note the turbulent flow from the left atrium to the coronary sinus representing left-to-right shunt. TECHNIQUE: Two dimensional transesophageal echocardiogram with color Doppler, Phillips S7-2 Omni TEE transducer (2-7 MHz).

Click 52 year old male with anomalous coronary sinus communication to the left atrium. FINDINGS: Digital angiography in LAO projection demonstrates partial shunting of contrast from the coronary sinus to the left atrium through an anomalous bridging vein. Note the normal flow of the remaining contrast to the right atrium. TECHNIQUE: Digital angiography, Siemens Artis Zee, 110 ml Omnipaque 350, radiation dose 387mGy.