Mark H. Wilson, FRCS(SN), MRCA, FIMC, FRGS, Denny Z

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Presentation transcript:

Stroke at High Altitude Diagnosed in the Field Using Portable Ultrasound Mark H. Wilson, FRCS(SN), MRCA, FIMC, FRGS, Denny Z. Levett, MA, MRCP, FRCA, Sundeep Dhillon, MRCGP, Kay Mitchell, MSc, RGN, Jon Morgan, FRCA, Michael P.W. Grocott, MD, FRCP, FRCA, Chris Imray, PhD, FRCS Wilderness & Environmental Medicine Volume 22, Issue 1, Pages 54-57 (March 2011) DOI: 10.1016/j.wem.2010.10.007 Copyright © 2011 Wilderness Medical Society Terms and Conditions

Figure 1 Normal Right Middle Cerebral Artery visualized through a temporal window at 5300 m using 2D ultrasound (Micromaxx™, Sonosite, Bothwell, WA). Wilderness & Environmental Medicine 2011 22, 54-57DOI: (10.1016/j.wem.2010.10.007) Copyright © 2011 Wilderness Medical Society Terms and Conditions

Figure 2 Near-infrared spectroscopy monitoring of cerebral saturations (rSO2) showing reduced left (blue) regional cerebral oxygenation compared to right (white). Wilderness & Environmental Medicine 2011 22, 54-57DOI: (10.1016/j.wem.2010.10.007) Copyright © 2011 Wilderness Medical Society Terms and Conditions

Figure 3 Subsequent CT scan demonstrating residual infarct in left MCA deep perforator territory. Wilderness & Environmental Medicine 2011 22, 54-57DOI: (10.1016/j.wem.2010.10.007) Copyright © 2011 Wilderness Medical Society Terms and Conditions