Imaging of Altered Mental Status
Neuroimaging is an invaluable diagnostic tool for sorting through the vast array of etiologies that underlie altered mental status (AMS). Head computed tomography (CT) without contrast is the primary modality…
Imaging Approach to Misplaced Central Venous Catheters
Central venous catheters (CVCs) are commonly used in patients in a variety of clinical settings, including the intensive care unit, general ward, and outpatient settings. After placement, the radiologist is…
Imaging of Abdominal Postoperative Complications
We present a case-based review of abdominal postoperative complications, organized by organ system affected, including wound/superficial, hepatobiliary, pancreatic, gastrointestinal, genitourinary, and vascular complications. Both general complications and specific considerations for…
Approach to Abnormal Chest Computed Tomography Contrast Enhancement in the Hospitalized Patient
This article describes an approach to analyzing the distribution of intravenous contrast on chest computed tomography and illustrates the various pathologies and pitfalls that may be encountered by the imager,…
Imaging of Gastrointestinal Tract Perforation
Gastrointestinal tract perforation involving the stomach, duodenum, small intestine, or large bowel occurs as a result of full-thickness gastrointestinal wall injury with release of intraluminal contents into the peritoneal or…
Imaging of Diffuse Lung Disease in the Intensive Care Unit Patient
There is a wide variety of causes of diffuse lung disease in the intensive care unit patient, of which adult respiratory distress syndrome is the commonest clinical consideration. Plain radiography,…
Imaging of Acute Renal Failure in the Hospital Setting
Acute kidney injury (AKI) is characterized by a decline in the glomerular filtration rate. AKI affects up to 20% of hospitalized patients, and is even more common among intensive care…
Imaging of Bowel Wall Thickening in the Hospitalized Patient
Bowel wall thickening in the hospitalized patient can be due to myriad etiologies. Familiarity with the optimal study protocols and a structured approach for evaluation are important. Understanding the pathology…
Imaging of Acute Hepatobiliary Dysfunction
Abdominal pain is a common cause for emergency department visits in the United States, and biliary tract disease is the fifth most common cause of hospital admission. Common causes of…
Role of Interventional Procedures in Obstetrics and Gynecology
Radiological guided intervention techniques are discussed in obstetric and gynecologic patients. Fallopian tube recanalization, postpartum hemorrhage control, techniques of treating uterine leiomyomas, pelvic congestion treatment, and the use of percutaneous…
