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  2. Partial stroke testing - Wikipedia

    en.wikipedia.org/wiki/Partial_stroke_testing

    Partial stroke testing (or PST) is a technique used in a control system to allow the user to test a percentage of the possible failure modes of a shut down valve without the need to physically close the valve. PST is used to assist in determining that the safety function will operate on demand.

  3. Shutdown valve - Wikipedia

    en.wikipedia.org/wiki/Shutdown_valve

    An example of this for a shutdown valve would be a partial stroke test. An example of a mechanical partial stroke test device can be found here. The performance standard of ESDVs may include the specification and testing of a closure time (e.g. to close in less than 10 seconds) and the specification and measurement of an acceptable leakage rate ...

  4. DO-160 - Wikipedia

    en.wikipedia.org/wiki/DO-160

    DO-160, Environmental Conditions and Test Procedures for Airborne Equipment is a standard for the environmental testing of avionics hardware. It is published by the Radio Technical Commission for Aeronautics (RTCA) and supersedes DO-138 .

  5. Left atrial appendage occlusion - Wikipedia

    en.wikipedia.org/wiki/Left_atrial_appendage...

    Left atrial appendage occlusion (LAAO), also referred to as left atrial appendage closure (LAAC), is a procedure used to reduce the risk of blood clots from the left atrial appendage entering the bloodstream and causing a stroke in those with non-valvular atrial fibrillation.

  6. Wada test - Wikipedia

    en.wikipedia.org/wiki/Wada_test

    The Wada test is named after Japanese neurologist and epileptologist Juhn Atsushi Wada, of the University of British Columbia. [5] [6] He developed the test while he was a medical resident in Japan just after [citation needed] World War II, when he was receiving training in neurosurgery.

  7. Digital subtraction angiography - Wikipedia

    en.wikipedia.org/wiki/Digital_subtraction...

    Intravenous digital subtraction angiography (IV-DSA) is a form of angiography which was first developed in the late 1970s.. IV-DSA is a computer technique that compares an X-ray image of a region of the body before and after radiopaque iodine based dye has been injected intravenously into the body.

  8. Partial anterior circulation infarct - Wikipedia

    en.wikipedia.org/wiki/Partial_anterior...

    Partial anterior circulation infarct (PACI) is a type of cerebral infarction affecting part of the anterior circulation supplying one side of the brain.. Partial anterior circulation stroke syndrome (PACS) refers to the symptoms of a patient who clinically appears to have had a partial anterior circulation infarct, but who has not yet had any diagnostic imaging (e.g. CT Scan) to confirm the ...

  9. Cincinnati Prehospital Stroke Scale - Wikipedia

    en.wikipedia.org/wiki/Cincinnati_Prehospital...

    If any one of the three tests shows abnormal findings, the patient may be having a stroke and should be transported to a hospital as soon as possible. The CPSS was derived from the National Institutes of Health Stroke Scale developed in 1997 at the University of Cincinnati Medical Center for prehospital use. [2]

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