4 slice ct protocols pdf

With 16 slice scanners and above, quite shallow breathing may be best approach. Center the table height such that the external auditory meatus eam is at the center of the gantry. Ct protocol the complete ct protocol, which includes nonenhanced ct, perfusion ct, and ct angiography, can be performed as a single examination with separate contrast material boluses. Ct scanning ct protocols ctisus ct scan, protocols. All multi slice ct scanner generations with 4 or more slices can acquire data for coronary calcium quantifica tion within comfortable breathhold times. Patient should be supine, head first into the gantry, with the head in the headholder whenever possible. We hope you find this helpful in providing optimal patient care. Chest and abdominal ct angiogram aortic dissection protocol. February 2020 ct colonography is an accurate method for detecting synchronous lesions in patients with occlusive colorectal cancer february 2020 preoperative ct angiography to predict surgically induced chronic kidney disease after nephrectomy. Ct protocols for revolution discovery ct discovery ct750. American college of radiology liver imaging reporting and data system acr lirads. They are based on a 64 slice scanner but can be used for any ct scanner independent of manufacturer. The table shows an overview of some of the ct protocols, that we use click to enlarge. Ct colonography is an accurate method for detecting synchronous lesions in patients with occlusive colorectal cancer february 2020.

Implementation of low dose ct protocols christopher cagnon, phd assoc. Rest myocardial perfusion patterns in normal individuals can be precisely evaluated with thirdgeneration dualsource computed. Developing dose and protocol monitoring from scratch ingrid reiser, phd dabr. For any given ct examination, the protocol will vary according the individual requirement of the imaging site. Thanksyoure doing a great joband everyone was very friendly and caring. Overview of resources available for ct protocol optimization.

The drugs and doses mentioned herein are consistent with the approval labeling for uses andor indications. In this table only specific protocols are summarized, since most institutions have their own standard protocols. Preoperative ct angiography to predict surgically induced chronic kidney disease after nephrectomy february 2020. Quantification of obstructive and nonobstructive coronary lesions by 64 slice computed tomography a comparative study with quantitative coronary angiography and intravascular ultrasound.

Given the rapid evolution of ct technology in the past decade, the number of applications for ct has expanded greatly and the techniques for performing the optimal exam have also increased. Nonhelical 5 mm at 4 cm intervals optional slice thickness 1 2 mm axials and 5 mm axials. Center the table height, such that the external auditory meatus is located at the center of the gantry and the landmarked. Pdf the introduction of single slice spiral ct in the early 1990s was a quantum leap for ct technology kalender et al. Aug 20, 2015 this video describes our ct imaging protocol in detail to help our patients and radiographers take better images. Obviously, such a quantum leap opens up a new area in spiral ct affecting all existing applications and allowing the realization of new clinical applications. Chest ct angiogram pulmonary vein mapping protocol a 1. Using this scanning protocol as a guideline will result in a more.

A delay of 4 minutes between contrast injection and the start of scanning is typical. Ct protocols for common primary care diagnoses lacey j. Jan 16, 2006 this book provides structured uptodate information on all routine protocols used for multislice multidetector row ct. Use 100 cc if combined with abdomen ct injection rate 4 5ccsec. Recommendations for acquisition, interpretation and. Computed tomography ct of the abdomen and computed tomography ct of the pelvis preamble this document is an educational tool designed to assist practitioners in providing appropriate radiologic care for patients. Clinical examination protocols with 4 to 64slice ct. The examination is frequently completed and analyzed within 15 minutes in a real clinical setting using newgeneration multidetector ct scanners.

To quantitatively evaluate the effect of our ct liver protocol modifications according to established imaging quality criteria. It outlines ct protocols for diagnostic imaging currently applied to ou ct scanners. Questions regarding changes in the protocols should be directed to scott collins, rtr ct or lori garceau, rtr ct arrt. Slice counts dual source, 320 slice, 256 slice, 128 slice, 64 slice, 16 slice, 4. A scanner with the dose check feature dose not ensure anything related to. Practice parameters and technical standards are not inflexible rules or requirements of practice and are. This protocol may include an optional, non contrast enhanced head scan andor an optoi na lhead ct angoi gram. To update our ct liver protocol according to recommended guidelines. View and download ge lightspeed 16 product data sheet online. The volume contains a detailed technical section and covers the prevailing investigations of the brain, neck, lungs and chest, abdomen with parenchymal organs and. Neuro protocols standard ctactv spine face trauma carotids and circle of willis.

Factors that infl uence a specifi c sites protocol parameters include the type of equipment available e. The volume contains a detailed technical section and covers the prevailing investigations of the brain, neck, lungs and chest, abdomen with parenchymal organs and gastrointestinal tract, the musculoskeletal system and cta as well as dedicated protocols for the heart. Sequence coverage slicegap notes cor 3d t1 bravo pre cover whole brain 10 ti time should be 450ms reformat additional planes ax dwi 20 3t 30 1. Abdominal and pelvis ct angiogram breast reconstruction surgery. Recommendations for acquisition, interpretation and reporting. New applications with the assistance of innovative.

Stanford cardiovascular ct scanning and injection protocols. Mcintosh do, mph university of massachusetts medical center unecom 2014 cme programreunion and alumni weekend. The arm should be placed over the patients head when possible. Leaving the root protocol code makes the study a noncontrast exam o adding an o oral contrast. For ct of the brain, contiguous or overlapping axial slices should. I was really impressed that with three different things, it was scheduled in one day and i was done with all in 45 minutes.

The protocols provided in this text provide complete information regarding i patient. Cranial ct with 64, 16, 4 and singleslice ct systemscomparison of image quality and posterior fossa artifacts in routine brain imaging with standard protocols. Cagnon, ct protocols, aapm 2012 4 subsecond, helical rotation, multi slice. Brain imaging ct brain imaging may be performed with a sequential single slice technique, multislice helical spiral protocol, or multidetector multislice algorithm 111,112. Page 1 somatom emotion 616 slice configuration application guide protocols principles helpful hints software version syngo ct 2007e page 2 this material does not substitute for that duty and is not intended by siemens medical solutions inc. Injection rate 4 5ccsec pt position supine feet first landmark ge xyphoid siemens above diaphragm breathing expiration. Rih upper extremity cta ge lightspeed 16 optima ct580 protocol updated jan 23, 2017 positionlandmark head first or feet firstsupine. This reference is meant to serve as a guideline for prescribing ct examinations, and should be modified as needed for a particular patient. The cardiac anatomy should be imaged during those phases of cardiac cycle in which there is the least movement. Which is why weve looked to the clinical professionals at the university of wisconsinmadison school of medicine and public health for protocols optimized for ge ct systems. Ct scan protocols, ct protocols by manufacturer ge, siemens, phillips, toshiba. Evaluation of subdural hematoma, epidural hematoma, stroke, bleed, headaches, initial workup of acute or changing dementia, mental status changes, fractures, trauma, shunt malfunction, new onset of seizures particularly in adults hydrocephalus. The number of simultaneous but independent measurements along the patient long axis is often referred to as the number of slices, and this value is commonly used to represent the technical capabilities of a system.

The purpose of these ct protocol pages is to provide a reference for radiology residents, fellows and technologists when prescribing a ct examination. Should only be done on patients with a high calcium and a high parathyroid hormone. Follow up iter recon mode none none slices 4 or 8 slice 4 or 8 slice slice thickness 3. It is best to do reconstructions soon after the scan abdomen and pelvis ct protocols. Typically 200 imaging protocols per scanner need the actual ct protocols.

Brigham and womens hospital, boston, ma updated september 2016 download pdf. Pdf the introduction of singleslice spiral ct in the early 1990s was a quantum leap for ct technology kalender et al. Preload specific ct protocols on individual ct scanners to. Acrspr practice parameter for the performance of computed. Shaded fields are user input fields on the scanner console. Developing, optimizing and managing protocols can be a timeconsuming and expensive task for you. Computed tomography ct scanners have become markedly more complex over the past three decades, with a myriad of new options for performing ct examinations. This page is for physicians, inside and outside this institution, and ct technologists. Ct scanning and injection protocols more than 600 clinical cases have been processed using the angiovis setup. Ct scan reference guide rutland regional medical center. The following cardiovascular ct scanning and injection protocols have been developed with the goal to derive theoretically sound and at the same time practicable scanning and injections protocols for the siemens sensation 64 multi slice scanner at stanford. Perform the first 4 series in the protocol including both groups of series 4.

Ct head, brain with contrast 70460 ctv o sagittal sinus thrombosis o venous thrombosis 100cc 30 sec delay ct brain with contrast 70470 o melanoma o hiv o toxoplasmosis ct head, brain without and with contrast 70480 o traumaright or left o fractureright or left o foreign body ct orbit without contrast 70480 o hearing loss, conductive o. Lp riccelli works closely with ohsu ct techs in the art of creating optimal images from current technology. Acrasnrspr practice parameter for the performance of. Chest ct angiogram pulmonary embolism protocol c 4. Radiation dose and image quality 1 dong hyun yang, m. Slice counts dual source, 320 slice, 256 slice, 128 slice, 64 slice, 16 slice, 4 rg volume 28. Please consult manufacturer specific protocols below if a scan. Export to pdf and upload individually tracks protocol version. Pdf cranial ct with 64, 16, 4 and singleslice ct systems. Chest ct without contrast lung nodule followup, lung ca screening c 5. Chest, abdomen and pelvis ct protocols chest chest ct low dose nodule evaluation chest ct lung cancer screening chest ct routine with contrast chest ct without routine chest cta pulmonary embolism. Kim are the only readers for this exam indications.

University of wisconsinmadison ct protocols for revolution discovery ct discovery ct750 hd table of contents page no. Oral contrast positive oral contrast is usually dilute iodinated contrast or barium 1 3%. They are easily seen on low dose ct protocols against well. Standard imaging protocols this document includes typical imaging protocols for diagnostic imaging. Radiol med torino 2004 ct protocol zno caffeine zno beta blockers up to 70 bpm zbeta blocker suggestions. This document describes the guidelines for a ct scan that is taken for the purpose of ordering proplan cmf products, such as anatomical models and surgical guides. This material is intended exclusively for use in the nlst trial.