Brain ct scans can provide more detailed information about brain tissue and brain structures than standard xrays of the head. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. In many situations, the emergency physician must initially interpret and act on the ct without specialist assistance. Computed tomography ct or cat scan of the brain johns. Contrast is most useful in a ctangiograpy for evaluating possible aneurysm or avm. The content on this site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. Basics and anatomy of a brain ct dr gauhar mahmood azeem house officer, new radiology dept. Head ct scan, intracranial ct scan a ct of the brain is a noninvasive diagnostic imaging procedure that uses special xrays measurements to produce horizontal, or axial, images often called slices of the brain. This powerpoint template can be used for making comprehensive medical presentations, particularly related to the human brain create animated slides by simply adding text. Best powerpoint template collection network solutions protects your online transactions with secure ssl encryption.
Stack, md the ct head scan is a computergenerated series of images from multiple xrays taken at different levels. Click on a link to get axial reconstructions coronal reconstructions sagittal reconstructions. How to add scrollable ct or mri images to a powerpoint slide. Ct scans use xray technology and advanced computer analysis to create. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease. For example, if ct for evaluation of a headache reveals a subarachnoid hemorrhage, immediately add contrast for a ctangiogram to search for an aneurysm. You can use the template design for the presentations on human brain comparison, psychology, and knowledge that he keeps for improvement, and relations within the community. This photo gallery presents the anatomical structures found on cerebral ct. In this article, we will outline the basic science behind ct scans, describe the principles of interpretation, and highlight their advantages and drawbacks compared to other imaging techniques. This means that the right side of the brain is on the left side of the viewer.
Your doctor has requested a computed tomography scan ct of your brain. Dicom viewing software allows radiology trainees and consultants to view and. If ct scans had caused all the excess of brain cancer in this group, each gy to the brain would have led to 0. How to read a head ct, ct brain linkedin slideshare. Brain powerpoint templates w brainthemed backgrounds. Copy and paste directly into word or powerpoint documents. Ct images of the brain are conventionally viewed from below, as if looking up into the top of the head. If you work in the medical field, youve likely had to present a patient case report. Vital organ powerpoint template with brain scan animation. Brain activity powerpoint template shows the graphic illustration on how storytelling affects the brain. Ct head basic interpretation in spanish lawrence b. The aesthetic gives universal and attractive visuals.
The crosssectional images generated during a ct scan can be reformatted in multiple planes, and can even generate threedimensional images. Computed tomography, more commonly known as a ct or cat scan, is a diagnostic medical test that, like traditional xrays, produces multiple images or pictures of the inside of the body. In the presence of a normal ct brain study, a lumbar puncture should be performed to exclude a small subarachnoid haemorrhage. A cranial ct scan is a diagnostic tool used to create detailed pictures of features inside your head, such as your skull, brain, paranasal sinuses, ventricles, and eye sockets. Preface welcome to the first handbook of ct brain interpretation. Bts guideline for pulmonary nodules chest xray basic interpretation chest xray.
Basics of ct scan by chakradhar neurology resident 2. On ct image 4 number region 6, it is labeled as the basal forebrain. Ct is often the initial imaging modality of choice. The next image below reveals peripheral enhancement of this deep right lesion. The tutorial is presented in an order which can act as a framework for a systematic approach to ct brain interpretation see checklist. The severity of the lung involvement on the ct correlates with the severity of the disease.
Ctimages of a young male, who had fever for ten days with progressive. Ct cat scanningis a noninvasive medical test that helps physicians diagnose and treat medical conditions. History computed tomography ct scan machines uses xrays, a powerful form of electromagnetic energy. Find powerpoint presentations and slides using the power of, find. Sir godfrey hounsfield1972 nobel prize in 1979 with cormack six generation of scanners latest 128 multidetector ct g.
Basic interpretation of ct scans most of the ct pictures are nonspecific ct pictures are depending on the density of the structures. Each tomogram represents a horizontal slice through the patients head. Regular monthly mac meeting, wednesday, april 15, 2020 at 9. Free brain powerpoint template with an animated image of the human brain shown in the body is an awesome representation for the presentations on human nature and awareness. Ct brain gallery 2 scroll images this tutorial covers abnormalities seen on ct images of the brain in the context of acute head injury and common neurological disorders. If you continue browsing the site, you agree to the use of cookies on this website. Computed tomography ct scanning involves the use of xrays to take crosssectional images. Thus, this template supports the theory of speakerlistener mechanism. The most common request for ct out of hours is brain imaging.
Focus has been placed on including a greater number of images than. Chest xray interpretation explained clearly how to read a cxr duration. Ct brain scan results interpretation neurology medhelp. Find powerpoint presentations and slides using the power of, find free presentations research about chest ct scan ppt. It is in the most anterior part of the basal forebrain. It is known to be a vital tool for better communication. The conventional chest radiograph superimposes a threedimensional image onto a twodimensional surface, so limiting its clinical usefulness. A free powerpoint ppt presentation displayed as a flash slide show on id. Ct has a 95% sensitivity for identifying a subarachnoid haemorrhage within the first 12 hours. Head ct has assumed a critical role in the daily practice of emergency medicine for evaluating intracranial emergencies. It contains both regions of gray and white matter in a heterogeneous fashion that are best. Introduction computer tomography ct is now widely available and is being used more and more, unlike magnetic resonance imaging, 24 hours a day, 7 days a week. Below you will find links to a series of web based anatomy modules that will enable you to quiz yourself on brain and spine anatomy.
Three common types of imaging devices are xrays, computed tomography ct scans and magnetic resonance imaging mris tests. This article will cover some of the underlying principles of ct head studies, and discuss a method for their interpretation. Mris of the brain can be intimidating at first sight because of all the different sequences and parameters. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Extremely important investigation ct head is an extremely important investigation used routinely in indoor as well as er patients. Have you ever wondered how to get a scrollable image stack of ct or mr images on a single powerpoint slide. With advancements in technology, it is rapidly replacing many diagnostic radiographic procedures. Andy buck shares how to get a scrollable image stack on a single powerpoint slide on a mac. Ppt brain imaging techniques powerpoint presentation.
Since its introduction in 1971, xray computed tomography ct has rapidly evolved into an essential diagnostic imaging tool that forms a crosssectional image, avoiding the superimposition of structures that occurs in. This interactive module will teach ct head interpretation. Computed tomography ct uses a rotating x ray tube, with the beam in the form of a thin slice about 1 10 mm the image is a simple array of x ray intensities, and many hundreds of these are used to make the ct image, which is a slice through the patient. Head ct approach first evaluate normal anatomical structures, window for optimal brain tissue contrast second assess for signs of underlying pathology such as. A ct brain is ordered to look at the structures of the brain and evaluate for the presence of pathology, such as masstumor, fluid collection such as an abcess, ischemic processes such as a stroke. Comparison of its diagnostic value for both entities. Racsuq advanced surgical anatomy course brain, neck, spine. View and download powerpoint presentations on chest ct scan ppt. The truth about mobile phone and wireless radiation dr devra davis duration. Computed tomography also cat or ct scan of the brain cerebral hemispheres, cerebellum and brain stem. Hypodensity in ct higher than csf but lower than brain tissue tumor, abscess, resolving hematoma, evolution infarct, protein, blood, debris. Similar to ct a systematic approach is best when interpreting mri brain.
Basal forebrain on ct and mr images, the basal forebrain is a rather featureless region on the ventral surface of the brain. Fine xray beams passed through the subject are absorbed to different degrees by different tissues and the transmitted radiation is measured by a scanning device. Noncontrast ct in deep cerebral venous thrombosis and sinus thrombosis. Imaging before ct entire body areas were inaccessible to radiography brain, mediastinum, retroperitoneum diagnostic procedures showing better detail in these areas were potentially harmful and or poorly tolerated by the patient pneumoencephalography, diagnostic pneumomediastinum, diagnostic laparotomy. Investigations may include a ct angiogram or formal angiogram. Technique slice thickness mayvary, but in general, it isbetween 5 and 10 mmfor a routine head ct. Symmetry make sure sulci and gyri appear the same on both sides. Computed tomography ct scanning is an extremely common imaging modality in modern medicine. You are responsible for identifying the structures listed in the learning objectives page for both the brain anatomy and spine anatomy sections. The anterior part of the head is at the top of the image. Horos should run on any mac brought within the last 3 years. To request copies of your pictures on a pc and mac compatible cd, or a copy of your. However, the same general principles of ct head interpretation apply, as the first steps are anatomicallybased after all. Most physicians have limited experience with interpretation.
Definition facts about ctdefinition facts about ct computer tomography ct, originally known as computed axial tomography cat or ct scan and body section rentenography. Basic anatomy of ct brain hku elearning platform in. In this article, we will outline the basic science behind ct scans, describe the principles of interpretation, and highlight their advantages and drawbacks compared to other. Vital organ brain scan powerpoint template is an animated template that comes with a rotating brain animation with scan waves scrolling across the screen. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Abdominal x breast x cardiac x chest x ct x emergency x gi x gu x headneck x ir x molecular x msk x mri x nuc med x neuro x obgyn x oncologic x other x peds x qi x research x us x vascular x afrikaans x albanian x arabic x belarusian x bulgarian x catalan x chinese x croatian x czech x danish x dutch x english x estonian x farsi persian x. Shift the falx should be in the midline with ventricles the same on both sides. Free brain powerpoint template free powerpoint templates. Optimization of protection in ct scanner the ct scanner. Principle ct scan provides a 3d display of the intracranial anatomy built up from a vertical series of transverse axial tomograms. View and download powerpoint presentations on ct scan ppt.