CTA Calcification and Metallic Limitations Click on the image to seet the videoThis a video of a hailstorm The parallel is drawn to Xrays or sound waves trying to penetrate a structurethat is impervious to the interrogation In CT scanning of the coronary arteries it prevents us from seeing the lumen of vesels and in ultrasound it causes shadowingIMG_4965Ashley Davidoffthecommonvein.net You Tube 92H CAD 3V Calcium Score 2996 CTA Evaluable Concordant with Cath Despite the high calcium score we were able to see the lumen and got a good study Reasonable correlation with the coronary angiogram Use of wide windows Example of blooming