The Pregnant Trauma Patient
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…
Vascular Trauma
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…
Intra-abdominal Hypertension
Fig. 33.1 Radiograph of a gasless abdomen and elevated right hemidiaphragm (black arrow) Ultrasound Ultrasound cannot rule intra-abdominal hypertension out. However, a useful indicator of increased intraabdominal pressure is elevated…
Acute Kidney Injury
Fig. 31.1 (a) Ultrasound of right kidney shows dilated pelvicalyceal system in keeping with hydronephrosis. (b) Fluoroscopic image following insertion of a percutaneous nephrostomy shows contrast medium within the decompressed…
Spinal Cord Injury
Fig. 41.1 Magnetic Resonance Imaging sagittal T2 through the cervical spine demonstrating traumatic disc protrusions (solid black arrow), long segment cord edema (open arrow), focal cord hemorrhage, and extensive posterior…
Large Volume Diarrhea
Fig. 34.1 Intraoperative photograph of colon resection for C. difficile associated disease Fig. 34.2 Resected specimen of total abdominal colectomy for C. difficile induced toxic megacolon Imaging Techniques Abdominal imaging…
Angiography
Fig. 5.1 Digital subtraction angiography. A mask image (a) is obtained, contrast medium administered (b) and a subtracted image (c) produced to highlight (in this case) the superficial femoral artery…
MRI Practicalities
Pulse oximetry MR safe pulse oximeters have fibreoptic probe connections Standard probes can cause burns from induced currents ECG MR safe ECG electrodes must be placed in a narrow triangle…
Contrast Media
Fig. 12.1 Commonly used radiographic contrast agents X-Ray Positive: Barium and Iodine-Containing Agents The use of barium sulfate is restricted to opacification of the gastro-intestinal tract for fluoroscopic examinations. Particularly…
Transfer of the Critical Care Patient
Airway End-tidal carbon dioxide monitor Laryngoscopes, blades and spare batteries Endotracheal tubes of appropriate sizes Water soluble lubricant Securing tape or ties for the endotracheal tube Guedel, nasopharyngeal airways Facemasks…
