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  2. Orders of magnitude (radiation) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    Recognized effects of higher acute radiation doses are described in more detail in the article on radiation poisoning.Although the International System of Units (SI) defines the sievert (Sv) as the unit of radiation dose equivalent, chronic radiation levels and standards are still often given in units of millirems (mrem), where 1 mrem equals 1/1,000 of a rem and 1 rem equals 0.01 Sv.

  3. UPMC's Medicare plans and dental coverage: What to know - AOL

    www.aol.com/upmcs-medicare-plans-dental-coverage...

    UPMC plans include dental coverage for exams, cleanings, and X-rays. Additional coverage is available for bridges, crowns, and tooth removal. UPMC's Medicare plans and dental coverage: What to know

  4. 1951 USAF resolution test chart - Wikipedia

    en.wikipedia.org/.../1951_USAF_resolution_test_chart

    A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens.

  5. Radiation exposure - Wikipedia

    en.wikipedia.org/wiki/Radiation_exposure

    Most X-rays occur during the third trimester of pregnancy. [8] There is sparse information on radiation exposure from the first trimester of pregnancy. [8] However, data suggests that the relative risk is 2.7. [8] Relative risk is a measure of probability of an outcome in one group versus the other.

  6. University of Pittsburgh Medical Center - Wikipedia

    en.wikipedia.org/wiki/University_of_Pittsburgh...

    UPMC is an American integrated global nonprofit health enterprise that has 100,000 employees, 40 hospitals with more than 8,000 licensed beds, 800 clinical locations including outpatient sites and doctors' offices, a 3.8 million-member health insurance division, as well as commercial and international ventures.

  7. UPMC Shadyside - Wikipedia

    en.wikipedia.org/wiki/UPMC_Shadyside

    UPMC Shadyside is a part of the University of Pittsburgh Medical Center (UPMC), and grouped in with the flagship UPMC Presbyterian. The hospital is near UPMC's flagship campus which houses Presbyterian and Montefiore. As the hospital is a teaching hospital, it is affiliated with University of Pittsburgh School of Medicine. [1]

  8. Hounsfield scale - Wikipedia

    en.wikipedia.org/wiki/Hounsfield_scale

    The Hounsfield unit (HU) scale is a linear transformation of the original linear attenuation coefficient measurement into one in which the radiodensity of distilled water at standard pressure and temperature is defined as 0 Hounsfield units (HU), while the radiodensity of air at STP is defined as −1000 HU.

  9. Instruments used in radiology - Wikipedia

    en.wikipedia.org/wiki/Instruments_used_in_radiology

    X-ray: uses X-rays to produce images of structures within the body; video link: Contrast media for X-rays: to provide a high contrast image of the details of the viscera under study; e.g. salts of heavy metals, gas like air, radio-opaque dyes, organic iodides, etc. Echocardiography machine: sonography of the heart is done here to know its ...