Severe Mitral Stenosis on Transesophageal Echocardiogram Spontaneous contrast 'smoke' in the left atrium AF + stasis = huge risk of thrombus Labeled "hockey stick" sign schematic -> https://twitter.com/MedCrisis/statu Dr Rohin Francis @MedCrisis #Mitral #Stenosis #TEE #Transesophageal #Echocardiogram #Clinical #Cardiology #Smoke