Neurovascular Ischemic stroke Hemorrhage (traumatic or non-traumatic) Subarachnoid Intracerebral (hemorrhagic stroke, contusion) Subdural Arteriovenous malformation Cortical vein thrombosis Dural venous sinus thrombosis Posterior reversible encephalopathy syndrome (PRES) Hypoxic ischemic encephalopathy…
Fig. 30.1 Longitudinal transabdominal ultrasound image of the right upper quadrant shows hypoechoic hemorrhage (arrows) anterior to the liver and in the hepatorenal fossa. Hyperdense acute hemorrhage (open arrow) is…
Coma No motor response to painful stimuli (e.g., pressure on supraorbital nerve, painful stimulus to nail bed or sternum) Absent brainstem reflexes Pupils mid-size or dilated, no response to bright…
Fig. 2.1 Measurement of the ovary, with a sonographic window provided by the full bladder Different types of probes operate at different frequencies. The human ear can detect sound from…
Fig. 27.1 Abdominal ultrasound in a 34-year-old male with history of Crohn’s disease and enterocutaneous fistula in the mid-abdomen. This patient presented with new drainage of pus from a new…
Fig. 37.1 A 42 year-old female presents after motor vehicle accident. (a) Post-contrast computed tomography (CT) images of the pelvis performed during the arterial phase shows focal active hemorrhage (arrow)…
Fig. 38.1 Chest radiograph demonstrates typical findings associated with aortic injury: downward displacement of the left mainstem bronchus (a), right sided displacement of the esophagus with nasogastric tube shifted to…
Fig. 36.1 A 23 year-old male presents with pain after sustaining a gunshot wound to the upper abdomen. (a) Post contrast computed tomography (CT) shows the tract of the bullet;…
Fig. 43.1 (a) Transverse image from a pelvic ultrasound (US) shows a normal-appearing placenta (asterisk). (b) In a different patient, the US shows a focal hemorrhage (arrows) within the placenta…
Penetrating injury Contrast extravasation or false aneurysm formation Adventitial or medial tear without an intimal injury Blood flow deviation due to large hematoma, or vascular spasm Blunt injury Caused by…
