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{
    "pk": 19176,
    "title": "Evaluation of a New Nonnvasive Device in Determining Hemoglobin Levels in Emergency Department Patients",
    "subtitle": null,
    "abstract": "Introduction\n: The Masimo Radical-7 Pulse CO-Oximeter is a medical device recently approved by the US Food and Drug Administration that performs noninvasive oximetry and estimated venous or arterial hemoglobin measurements. A portable, noninvasive device that rapidly measures hemoglobin concentration could be useful in both austere and modern hospital settings. The objective of this study is to determine the degree of variation between the device’s estimated hemoglobin measurement and the actual venous hemoglobin concentration in undifferentiated emergency department (ED) patients.\n \nMethods\n: We conducted a prospective, observational, cross-sectional study of adult patients presenting to the ED. The subjects consisted of a convenience sample of adult ED patients who required a complete blood count as part of their care in the ED. A simultaneous probe hemoglobin was obtained and recorded.\n \nResults\n: Bias between probe and laboratory hemoglobin measurements was _0.5 (95% confidence interval,_0.8 to_0.1) but this was not statistically significant from 0 (t 0.05,124¼0.20, P . 0.5). The limits of agreement were _4.7 and 3.8, beyond the clinically relevant standard of equivalency of 6 1 g/dL.\n \nConclusion\n: These data suggest that noninvasive hemoglobin determination is not sufficiently accurate for emergency department use. [West J Emerg Med. 2013;14(3):283–286.]",
    "language": "en",
    "license": {
        "name": "Creative Commons Attribution-NonCommercial  4.0",
        "short_name": "CC BY-NC 4.0",
        "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\r\n\r\nNonCommercial — You may not use the material for commercial purposes.\r\n\r\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",
        "url": "https://creativecommons.org/licenses/by-nc/4.0"
    },
    "keywords": [
        {
            "word": "Allied Health Diagnostic, Intervention, and Treatment Professions"
        },
        {
            "word": "Equipment and Supplies"
        }
    ],
    "section": "Technology in Emergency Care",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/7sx773px",
    "frozenauthors": [
        {
            "first_name": "Tristan",
            "middle_name": "",
            "last_name": "Knutson",
            "name_suffix": "",
            "institution": "Madigan Army Medical Center, Department of Emergency Medicine, Tacoma, Washington",
            "department": "None"
        },
        {
            "first_name": "David",
            "middle_name": "",
            "last_name": "Della-Giustina",
            "name_suffix": "",
            "institution": "Madigan Army Medical Center, Department of Emergency Medicine, Tacoma, Washington",
            "department": "None"
        },
        {
            "first_name": "Eric",
            "middle_name": "B",
            "last_name": "Tomich",
            "name_suffix": "",
            "institution": "Madigan Army Medical Center, Department of Emergency Medicine, Tacoma, Washington",
            "department": "None"
        },
        {
            "first_name": "Brandon",
            "middle_name": "K.",
            "last_name": "Wills",
            "name_suffix": "",
            "institution": "Virginia Commonwealth University Health System, Department of Emergency Medicine, Richmond, Virginia; Virginia Poison Center, Richmond, Virginia",
            "department": "None"
        },
        {
            "first_name": "Emily",
            "middle_name": "",
            "last_name": "Leurssen",
            "name_suffix": "",
            "institution": "Madigan Army Medical Center, Department of Emergency Medicine, Tacoma, Washington",
            "department": "None"
        },
        {
            "first_name": "Penny",
            "middle_name": "",
            "last_name": "Reynolds",
            "name_suffix": "",
            "institution": "Virginia Commonwealth University Health System, Department of Emergency Medicine, Richmond, Virginia",
            "department": "None"
        }
    ],
    "date_submitted": "2011-02-25T20:46:14Z",
    "date_accepted": "2011-02-25T20:46:14Z",
    "date_published": "2012-11-17T19:44:34Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/westjem/article/19176/galley/9497/download/"
        }
    ]
}