MODALITIES OF MEDICAL IMAGING LECTURE OBJECTIVES Discriminate between the image generation process in Radiography, CT, Molecular Imaging (Nuclear Medicine/PET), MRI, and Ultrasound Define terminology used to describe the appearance of the different densities when interpreting the following imaging studies: Radiographs, CT, MRI, Ultrasound, and Nuclear Medicine/PET Describe the preferred clinical indications for selecting the following imaging studies as well as their strengths and weaknesses: Radiographs, CT, MRI, Ultrasound, and Nuclear Medicine/PET Distinguish between the most common contrast materials used in radiology and describe their indications/ contraindications Considerations when ordering imaging studies Question 1 Mr. Smith is a 65-year-old male with a past medical history of hypertension, presents to the ER complaining of shortness of breath and chest pain which started while gardening. Which of the following is the initial study of choice? a. CT of chest b. MRI of chest c. Chest Radiograph d. Nuclear medicine V/Q scan e. Ultrasound of the heart (Echocardiogram) Question 2. A 45-year-old male status post high-speed MVA involving blunt trauma to the chest complains of chest pain and hemoptysis. Which of the following is the modality of choice? a. CT of chest b. MRI of chest c. Chest Radiograph d. Nuclear medicine V/Q scan e. Ultrasound of the heart (Echocardiogram)