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  2. List of medical abbreviations: C - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    CT scan of chest, abdomen, and pelvis CTD: connective tissue disease: CTE: chronic traumatic encephalopathy coefficient of thermal expansion: CTEPH: Chronic thromboembolic pulmonary hypertension: CTO: chronic total occlusion Community Treatment Order (psychiatric term for forced drugging outside hospital context) CTP: cytosine triphosphate ...

  3. Central venous catheter - Wikipedia

    en.wikipedia.org/wiki/Central_venous_catheter

    A chest X-ray may be performed afterwards to confirm that the line is positioned inside the superior vena cava and no pneumothorax was caused inadvertently. On anteroposterior X-rays, a catheter tip between 55 and 29 mm below the level of the carina is regarded as acceptable placement. [ 37 ]

  4. Chest radiograph - Wikipedia

    en.wikipedia.org/wiki/Chest_radiograph

    AP chest x-rays are harder to read than PA x-rays and are therefore generally reserved for situations where it is difficult for the patient to get an ordinary chest x-ray, such as when the patient is bedridden. In this situation, mobile X-ray equipment is used to obtain a lying down chest x-ray (known as a "supine film").

  5. Superior vena cava syndrome - Wikipedia

    en.wikipedia.org/wiki/Superior_vena_cava_syndrome

    The main techniques of diagnosing SVCS are with chest X-rays (CXR), CT scans, transbronchial needle aspiration at bronchoscopy and mediastinoscopy. [6] CXRs often provide the ability to show mediastinal widening and may show the presenting primary cause of SVCS. [6] However, 16% of people with SVC syndrome have a normal chest X-ray.

  6. Projectional radiography - Wikipedia

    en.wikipedia.org/wiki/Projectional_radiography

    Tissues commonly imaged include the lungs and heart shadow in a chest X-ray, the air pattern of the bowel in abdominal X-rays, the soft tissues of the neck, the orbits by a skull X-ray before an MRI to check for radiopaque foreign bodies (especially metal), and of course the soft tissue shadows in X-rays of bony injuries are looked at by the ...

  7. Radiography - Wikipedia

    en.wikipedia.org/wiki/Radiography

    For example, the effective dosage of a chest x-ray is 0.1 mSv, while an abdominal CT is 10 mSv. [15] The American Association of Physicists in Medicine (AAPM) have stated that the "risks of medical imaging at patient doses below 50 mSv for single procedures or 100 mSv for multiple procedures over short time periods are too low to be detectable ...

  8. Rotational angiography - Wikipedia

    en.wikipedia.org/wiki/Rotational_angiography

    Rotational angiography is a medical imaging technique based on x-ray, that allows to acquire CT-like 3D volumes during hybrid surgery or during a catheter intervention using a fixed C-arm. The fixed C-arm thereby rotates around the patient and acquires a series of x-ray images that are then reconstructed through software algorithms into a 3D ...

  9. Contrast CT - Wikipedia

    en.wikipedia.org/wiki/Contrast_CT

    Contrast CT, or contrast-enhanced computed tomography (CECT), is X-ray computed tomography (CT) using radiocontrast. Radiocontrasts for X-ray CT are generally iodine-based types . [ 1 ] This is useful to highlight structures such as blood vessels that otherwise would be difficult to delineate from their surroundings.