Rationale for a personal monitor for heat strain

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      <subfield code="a">Rationale for a personal monitor for heat strain</subfield>
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      <subfield code="a">This article describes a surface-mounted temperature sensor developed to indicate when rectal temperature reaches a safe limit. Protective criteria were established for temperature sensor alert limits. A fixed threshold for heart rate may cause premature alerts during bursts of activity and miss lower, but sustained, heart rates that represent significant physiological strain. For these reasons, heart rate criteria based on seven moving-time averages also were developed. The criteria are based on a relationship between heart rate and endurance time. The temperature sensor and heart rate criteria form the basis of a real-time personal monitor for heat strain</subfield>
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      <subfield code="a">American Industrial Hygiene Association journal</subfield>
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      <subfield code="t">American Industrial Hygiene Association journal</subfield>
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      <subfield code="g">Vol. 55, nº 6, June 1994 ; p. 505-514</subfield>
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