An Observational Study of Personal Ultraviolet Dosimetry and Acute Diffuse Reflectance Skin Changes at Extreme Altitude Ivy Cheng, MD, FRCP, Alex Kiss,

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Presentation transcript:

An Observational Study of Personal Ultraviolet Dosimetry and Acute Diffuse Reflectance Skin Changes at Extreme Altitude Ivy Cheng, MD, FRCP, Alex Kiss, PhD, Lothar Lilge, PhD Wilderness & Environmental Medicine Volume 24, Issue 4, Pages 390-396 (December 2013) DOI: 10.1016/j.wem.2013.05.007 Copyright © 2013 Wilderness Medical Society Terms and Conditions

Figure 1 (A) Viospore monitor.7 This 15-g device uses a film of Bacillus subtilis spores. (B) Viospore monitor on crown of head. Wilderness & Environmental Medicine 2013 24, 390-396DOI: (10.1016/j.wem.2013.05.007) Copyright © 2013 Wilderness Medical Society Terms and Conditions

Figure 2 Duration and elevation profiles of the 2007 north Everest expedition. Wilderness & Environmental Medicine 2013 24, 390-396DOI: (10.1016/j.wem.2013.05.007) Copyright © 2013 Wilderness Medical Society Terms and Conditions

Figure 3 Three samples of spectrophotometer spectra: (A) Everest 2, summitter. (B) Sherpa, nonsummitter. (C) Sherpa, Everest multisummitter. Preexpedition, April 23 to May 1 [all groups]; postexpedition, May 9 [group L] to June 4 [group E2, S]; preexpedition spectra of nonexposed skin (chest)—dotted gray; preexpedition spectra of exposed skin (cheek)—solid gray; postexpedition spectra of nonexposed skin (chest)—dotted black; postexpedition spectra of exposed skin (cheek)—solid black. Wilderness & Environmental Medicine 2013 24, 390-396DOI: (10.1016/j.wem.2013.05.007) Copyright © 2013 Wilderness Medical Society Terms and Conditions