Vascular diseases of SB. (a) Fatal Thromboembolia of SMA in a patient with atrial fibrillation, with standard abdominal probe—absence of colour signal in embolised segment (arrows). (b) Use of high resolution probe in the same case. (c) Transversal view of jejunal loop without peristalsis, with thickened, avascular wall—another patient with SMA thromboembolia—but with presence of flow in proximal segment of SMA. High resolution probe. (e) Significant stenosis of SMA/Vmax over 400 cm/sek (>70%) in a patient with ischemic colitis. Standard probe.
