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CT Scanning

Also known as a "CAT" scan, the CT scan is a Computerized Axial Tomography scan that allows doctors to analyze organs and bones for diseases.

731 Questions

What is a cat scan doctor called?

A doctor who specializes in interpreting CAT scans, also known as CT scans, is called a radiologist. Radiologists are medical doctors trained to diagnose and treat diseases using imaging techniques, including CT, MRI, and X-rays. They analyze the images produced by the scans to provide insights for patient diagnosis and treatment.

What is the difference between CT and MRI images from a physician's point of view for example the appearance of different tissues?

CT suited for detecting cancers, viewing bone injuries, diagnosing lung and chest problems.

MRI is suited for examining brain tumors, spinal cord injuries, soft tissue in ligament and tendon injuries,

-CT Provides good details about bony structures. MRI Less detailed compared to X-ray

-CT Good soft tissue differentiation especially with intravenous contrast. Higher imaging resolution. MRI is better at telling the difference between different soft tissues and between normal and abnormal soft tissue

-CT scan is faster than MRI.

-effective radiation dose from CT ranges from 2 to 10 mSv. No Radiation for MRI

-CT can pose the risk of irradiation. Not the case of MRI

What does unremarkable mean on a CT scan?

adj. unremarkable - 1. Lacking distinction; ordinary.2. found in the ordinary course of events; "a placid everyday scene"; "it was a routine day";

In medical practice, when nothing UNUSUAL found, occured or happened, its UNREMAKABLE

What is a muga scan used to detect?

The MUGA scan stands for Multiple Gated Acquisition Scan and is an extremely useful tool to assess the function of the heart. It's also noninvasive. The scan provides a moving image of the beating heart. From this image medical professionals can make conclusions about the health of the cardiac ventricles.

Can cat scan technitions practice iv insertion on er patients?

Hopefully by the time they are a CT scan technologist they wont need "practice" starting IVs. CT scan areas usually work closely with the ER and many times if they are busy and the CT area is not busy we will help them by starting their IVs for them.

Why do they inject dye into you before a ct scan?

Dye is used to enhance tissues, to increase contrast between tissues that receive blood and structures that do not. There can be scans before, during, and at different delays after injection. The enhancement pattern, or lack of enhancement, is the basis for diagnosis (along with morphologic information from the scan).

How did Ivoryton CT get its name?

Ivoryton, Connecticut, got its name from the ivory industry that flourished in the area during the late 19th century. The town became a center for the production of ivory products, particularly buttons made from elephant ivory, which were in high demand at the time. The name reflects this significant economic activity and the craftsmanship associated with it. Over time, the ivory industry declined, but the name Ivoryton has remained.

Can you eat or drink before a ct scan of the spine?

Black coffee is fine, see below. On the Day of the CT Scan * Do not eat any solid food for 4 hours prior to your CT scan. You may drink clear liquids up until the time of your scan. Clear liquids include water, black coffee or tea, apple juice, clear soda or clear broth. UCSD Medical Center

What is the difference between the old ct scan and the new ct scan?

There are differences inside the machines that make the newer machines faster and give better images. There is a difference in how the tests are done now compared to 20 years ago.

For example: older machines might not have seen changes smaller than a marble or a golf ball. Newer machines may see changes smaller than a pin head and make for earlier detection. Earlier detection is always better.

Why is a ct scan after a stroke done with out contrast?

A CT scan immediately after a stroke is usually looking to see if the stroke caused any bleeding. ( a hemorrhagic stroke ) If the dye were given it might hide any trace of blood. There are protocols in place as to how to treat a stroke and if bleeding is seen it changes what is done to help the patient recover from the stroke.

Do you use a Thyroid scan for a CT scan?

No, a thyroid scan and a CT scan are two different imaging techniques used for distinct purposes. A thyroid scan typically uses radioactive isotopes to evaluate thyroid function and detect abnormalities, while a CT scan employs X-rays to create detailed cross-sectional images of the body. They are not interchangeable and are used based on specific clinical indications.

What does ct report mean by mild diffuse pancreatic atrophy?

Stop DRINKING - completely - NOW ... lower your fat intake ... see your health care provider

Can a cat scan show bipolar?

No, there is no physical means of detecting or confirming bipolar. It can only be diagnosed from symptoms. It is easily misdiagnosed as something else.

What is ct scan fistulography?

OBJECTIVE. The aim of our study was to evaluate the feasibility, safety, and potential role of the contrast agent gadoterate meglumine for digital subtraction angiography as a single diagnostic procedure or before percutaneous transluminal angioplasty of malfunctioning native dialysis fistulas.

MATERIALS AND METHODS. Over a 20-month period, 23 patients (15 women, eight men) with an age range of 42-87 years (mean, 63 years) having end-stage renal insufficiency and with recent hemodialysis fistula surgical placement underwent gadoterate-enhanced digital subtraction angiography with a digital 1024 × 1024 matrix. Opacification was performed on the forearm, arm, and chest with the patient in the supine position using an injection (retrograde, n = 14; anterograde, n = 8; arterial, n = 1) of gadoterate meglumine into the perianastomotic fistula segment at a rate of 3 mL/sec for a total volume ranging from 24 to 32 mL. Percutaneous transluminal angioplasty was performed in three patients and required an additional 8 mL per procedure. Examinations were compared using a 3-step confidence scale and a two-radiologist agreement (Cohen's kappa statistic) for diagnostic and opacification quality. Tolerability was evaluated on the basis of serum creatinine levels and the development of complications.

RESULTS. No impairment of renal function was found in the 15 patients who were not treated with hemodialysis. Serum creatinine level change varied from -11.9% to 11.6%. All studies were of diagnostic quality. The presence of stenosis (n = 14) or thrombosis (n = 3) in arteriovenous fistulas was shown with good interobserver agreement (κ = 0.71-0.80) in relation to opacification quality (κ = 0.59-0.84). No pain, neurologic complications, or allergiclike reactions occurred. Three percutaneous transluminal angioplasty procedures (brachiocephalic, n = 2; radiocephalic, n = 1) were successfully performed.

CONCLUSION. Gadoterate-enhanced digital subtraction angiography is an effective and safe method to assess causes of malfunction of hemodialysis fistulas. It can also be used to plan and perform percutaneous transluminal angioplasty.

Why trauma not use contrast in ct brain?

Traumatic lesions to the brain are well seen without i.v. contrast agents. In particular, traumatic hemorrhage, be it epidural, subdural, subarachnoid, parenchymal or intraventricular, is spontaneously hyperdense on CT. Theoretically, i.v. contrast would be, at best useless, at worst counterproductive.

What is a quadraphasic cat scan?

A CT scan that is repeated a certain number of times in the same examination period is said to be multiphasic (bi-phasic, tri-phasic, quadra-phasic). The interest is in observing a change in a parameter as a function of time. The main reason is to show the effect of intravenous contrast on CT attenuation, say pre contrast, and at one, three and five minutes post injection. By observing increased CT attenuation ( aka enhancement), or lack thereof, and it's temporal and morphological characteristics, radiologists infer the probable diagnosis.

The same can be said of pre and post contrast studies using other contrast agents or routes of administration (e.g. pre and post contrast fistulography).

Can you take ibuproben before a ct scan?

Depends on the medicine, ask the scanning professionals,.

What are contrast agents used for?

Contrast agents are often used in CT exams.to demonstrate certain anatomic details that, otherwise, may not be seen easily. Some contrast agents are natural, such as air or water. Other times, a water-based contrast agent is administered.

What is the newest form of computed tomography scan?

Spiral CT, also called helical CT, is a newer version of CT scanning which is continuous in motion and allows for three-dimensional recreation of images.

How does a baby scan work?

A baby scan or ultrasound machine is a device that checks your unborn baby's condition. It shows a gray visual where you can see your baby's body and movement. Your OB can explain how your baby is going to look like on the scan itself.

When you get to the baby scan center, they are going to put ultrasound gel on your belly and later there's the ultrasound probe that they will pass over your skin. The baby will then be visible on the monitor because of the baby scan.