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  2. Ecolab - Wikipedia

    en.wikipedia.org/wiki/Ecolab

    Ecolab Inc. is an American corporation headquartered in Saint Paul, Minnesota. It develops and offers services, technology and systems that specialize in treatment, purification, cleaning and hygiene of water in a wide variety of applications. [2] Founded as Economics Laboratory in 1923 by Merritt J. Osborn, it was eventually renamed "Ecolab ...

  3. Cardiac stress test - Wikipedia

    en.wikipedia.org/wiki/Cardiac_stress_test

    ICD-9-CM. 89.4. MeSH. D025401. MedlinePlus. 003878. [ edit on Wikidata] A cardiac stress test is a cardiological examination that evaluates the cardiovascular system's response to external stress within a controlled clinical setting. This stress response can be induced through physical exercise (usually a treadmill) or intravenous ...

  4. Transthoracic echocardiogram - Wikipedia

    en.wikipedia.org/wiki/Transthoracic_echocardiogram

    A transthoracic echocardiogram(TTE) is the most common type of echocardiogram, which is a still or moving image of the internal parts of the heart using ultrasound. In this case, the probe (or ultrasonic transducer) is placed on the chestor abdomenof the subject to get various views of the heart. It is used as a non-invasive assessment of the ...

  5. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  6. Echocardiography - Wikipedia

    en.wikipedia.org/wiki/Echocardiography

    Echocardiography, also known as cardiac ultrasound, is the use of ultrasound to examine the heart. It is a type of medical imaging, using standard ultrasound or Doppler ultrasound. [ 1] The visual image formed using this technique is called an echocardiogram, a cardiac echo, or simply an echo . Echocardiography is routinely used in the ...

  7. Doppler echocardiography - Wikipedia

    en.wikipedia.org/wiki/Doppler_echocardiography

    OPS-301 code. 3-052. [ edit on Wikidata] Doppler echocardiography is a procedure that uses Doppler ultrasonography to examine the heart. [ 1] An echocardiogram uses high frequency sound waves to create an image of the heart while the use of Doppler technology allows determination of the speed and direction of blood flow by utilizing the Doppler ...

  8. Functions of Teacher Echoing in an EFL Class Delivered via

    files.eric.ed.gov/fulltext/ED624428.pdf

    The criterion for structuring the findings was identification of a different function of teacher echoing cases. As she got through the data set from the first class hour to the last one, she categorized the teacher echoing cases according to their functions and the following functions were all identified in this data set. Teacher’s Self-Echoing

  9. Pilot Study Using the Augmented Reality Sandbox to Teach ...

    files.eric.ed.gov/fulltext/EJ1111551.pdf

    Labs Terri L. Woods,1,a Sarah Reed,2 Sherry Hsi,3 John A. Woods,1 and Michael R. Woods4 ABSTRACT Spatial thinking is often challenging for introductory geology students. A pilot study using the Augmented Reality sandbox (AR sandbox) suggests it can be a powerful tool for bridging the gap between two-dimensional (2D) representations and real

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