Abdominal CT Techniques: Hounsfield Units and Intravenous Contrast
Über den Vortrag
Der Vortrag „Abdominal CT Techniques: Hounsfield Units and Intravenous Contrast“ von Hetal Verma, MD ist Bestandteil des Kurses „Abdominal Radiology“. Der Vortrag ist dabei in folgende Kapitel unterteilt:
- Radiation: Hounsfield Units
- Intravenous Contrast
Quiz zum Vortrag
What is TRUE regarding CT imaging?
- The radiation dose varies based on the type of the machine and the type of scan.
- A head CT scan has more radiation than an abdominal CT scan.
- Air has higher Hounsfield units than water.
- Fat has higher Hounsfield units than soft tissue.
- Radiation dose is the same with all machines and scans.
Which of the following is a feature of an intravenous contrast agent?
- IV contrast opacifies structures based on the amount of blood flow.
- IV contrast is ionic with high osmolarity.
- IV contrast should be avoided in patients with a GFR of <60 ml/min.
- IV contrast is metabolized by the liver and excreted in the stool.
- IV contrast is not a drug and thus does not cause allergic reactions.
Which contrast agent is used if there is a suspicion of bowel perforation?
- Gastrografin
- Dilute barium sulfate
- Gadolinium medium
- Barium iodide
- Saline water
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Dozent des Vortrages Abdominal CT Techniques: Hounsfield Units and Intravenous Contrast
Hetal Verma, MD
Dr. Hetal Verma is a Clinical Instructor of Radiology and the Co-Director of the Radiology Cambridge Integrated Clerkship at Harvard Medical School, MA, USA.
She is a graduate of the University of Massachusetts Medical School and completed her Breast Imaging fellowship at the Massachusetts General Hospital. Since 2012, she is the Director of Breast Imaging at Cambridge Health Alliance Radiology, a teaching affiliate of Harvard Medical School.
She is passionate about women's health and has vast experience in teaching medical students and residents at Harvard Medical School.
Within Lecturio, Dr. Verma teaches courses on Radiology.
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