Procedures Flashcards
A cardiologist requests coronary images at 50%-75% of the R-to-R interval. What gating method can accomplish this request?
A. Prospective gating
B. Retrospective gating
C. Both prospective and retrospective gating
D. No gating is required
C. Both prospective and retrospective gating
A CT scan is requested to evaluate a patient for a thoracic aorta aneurysm. The patient weighs 147 pounds, they have a history of COPD, and they are in acute renal failure. Which of these contrast injection parameters would be ideal for this patient?
A. 100 ml at 3 ml/second
B. 150 ml at 4 ml/second
C. 100 ml at 4 ml /second
D. 150 ml at 3 ml/second
C. 100 ml at 4 ml /second
A diagnosis of hilar adenopathy is an indication for which of these imaging protocols?
A. CTA chest of the thoracic aorta
B. CTA Chest for Pulmonary Embolism
C. CT Chest in venous phase
D. CT High Resolution Chest
C. CT Chest in venous phase
A general survey of the chest for a trauma patient should be completed using which of these CT protocols?
A. CTA chest of the thoracic aorta
B. CTA chest for pulmonary embolism
C. CT chest in venous phase
D. CT high resolution chest
C. CT chest in venous phase
A general survey of the sinuses is requested on 35 year old female with chronic sinusitis. Compared to 1.25 mm slices, 3.75 mm slices will result in:
A. More image noise
B. More spatial resolution
C. Fewer images
D. Lower dose
C. Fewer images
A known blood clot in the transverse sinus of the brain could be best evaluated with which IV contrast timing method?
A. Bolus tracking in the ascending aorta
B. Timing bolus monitoring in the internal carotid artery
C. 45-second scan delay time
D. 90-second scan delay time
C. 45-second scan delay time
A new CT protocol requires scanning the liver exactly 25 seconds after initiating IV contrast injection. This can be accomplished by which scan timing method?
A. Scan delay time
B. Test bolus
C. Bolus tracking
A. Scan delay time
A patient arrives in the radiology department with complaints of lower back pain and numbness in the lower extremities. Initial evaluation in diagnostic x-ray shows collapse of L3-L4 disc space, with a suspected ruptured disc. What protocol should be used to assess the intrusion of the ruptured disc into the spinal canal?
A. CT spine without contrast
B. CT spine with contrast after 45 second delay time
C. CT spine with contrast after 90 second delay time
D. CT myelogram with intrathecal contrast
D. CT myelogram with intrathecal contrast
A patient arrives in your department after a motor vehicle accident with right flank pain. What CT scan is most likely to be ordered by the attending physician?
A. CT abdomen and pelvis with contrast
B. CT angiography abdomen and pelvis
C. CT multiphase pancreas
D. CT appendicitis
A. CT abdomen and pelvis with contrast
A patient arrives in your department for evaluation of a known renal artery stenosis. What imaging protocol should be performed?
A. CTA abdomen and Pelvis
B. CTA thoracic aorta
C. CT abdomen and pelvis with contrast
D. CT enterography
A. CTA abdomen and Pelvis
A patient arrives in your department unresponsive. No history is known. The appropriate scan to perform is:
A. Routine CT head without contrast
B. Routine CT head with contrast
C. CTA head and neck
D. CT Venogram
A. Routine CT head without contrast
A patient diagnosed with a subdural hematoma is to be evaluated in your department. What is the correct protocol for assessing changes in the subdural hematoma?
A, CT head without contrast
B. CT head with contrast]
C. CT angiography head
D. CT head with and without contrast
A, CT head without contrast
A patient experiencing acute flank pain with hematuria should be evaluated with what CT study?
A. CT abdomen and pelvis without contrast
B. CT abdomen and pelvis with contrast
C. CT angiography abdomen and pelvis
D. CT multiphase kidneys
A. CT abdomen and pelvis without contrast
A patient has experienced trauma to their right eye. Soft tissue changes are best visualized with which image window?
A. 2600 WW and 500 WL
B. 400 WL and 600 WL
C. 80 WW and 40 WL
D. 400 WW and 40 WL
D. 400 WW and 40 WL
A patient is brought to the emergency room following a motor vehicle accident. The patient is experiencing severe upper back pain and an injury to the aorta is suspected. What is the best imaging protocol to evaluate the patient for this condition?
A. CTA chest of thoracic aorta
B. CTA chest for pulmonary embolism
C. CT chest in venous phase
D. CT high resolution chest
A. CTA chest of thoracic aorta
A patient is presented to the ER with extreme right sided abdominal pain for 1 hour. The patient has a surgical history of appendectomy and cholecystectomy. Urinalysis demonstrated micro-hematuria. What study is likely to be used to assess this patient?
A. CT for renal stones
B. CT for pulmonary embolism
C. CT for aortic dissection
D. CT for renal mass
A. CT for renal stones
A patient is suspected as having a tumor obstructing the valve connecting the right ureter to the bladder. This condition is best evaluated with what IV contrast scan delay time?
A. 30 seconds
B. 60 seconds
C. 90 seconds
D. 5 minutes
D. 5 minutes
A patient presenting with symptoms of stroke and no prior imaging should be evaluated with which CT scanning protocol?
A. CT head without contrast
B. CT head with contrast
C. CT angiography head
D. CT head with and without contrast
A. CT head without contrast
A patient presents to the radiology department for imaging of a soft-tissue tumor on the lower leg. What scan protocol should be used?
A. CT with IV contrast
B. CT with intra-articular acontrast
C. MRI with IV contrast
D. CT without contrast
C. MRI with IV contrast
A patient requires imaging of a known aneurysm of the anterior communicating artery. The appropriate scan to perform is:
A. Routine CT head without contrast
B. Routine CT head with contrast
C. CTA head
D. CTA head and neck
C. CTA head
A patient with a dental abscess is suspected as having an infection in the brain. The correct CT protocol is:
A. CT head without contrast
B. CT head with contrast
C. CT angiography head
D. CT head with and without contrast.
D. CT head with and without contrast.
A patient with a history of a cigarette smoking and COPD is suspected as having a primary lung cancer. What CT imaging procedure should be used to scan this patient?
A. CTA chest of the thoracic aorta
B. CTA Chest for Pulmonary Embolism
C. CT Chest in venous phase
D. CT High Resolution Chest
C. CT Chest in venous phase
A patient with advanced bladder cancer needs a CT scan to check for metastatic disease in the lungs. The appropriate imaging protocol is:
A. CTA chest of the thoracic aorta
B. CTA chest for pulmonary embolism
C. CT chest in venous phase
D. CT high resolution chest
C. CT chest in venous phase
A positive D-dimer test may indicate the need for which of these CT protocols?
A. CTA chest of the thoracic aorta
B. CTA Chest for Pulmonary Embolism
C. CT Chest in venous phase
D. CT High Resolution Chest
B. CTA Chest for Pulmonary Embolism