1. Pulmonary Artery Pressure in Healthy Subjects at 4250m Measured by Doppler Echocardiography 
Gerald Dubowitz, MB, ChB, Andrew J. Peacock, MD 
Wilderness & Environmental Medicine 
Volume 18, Issue 4, Pages (December 2007)
DOI: /07-WEME-OR-094R1.1
Copyright © 2007 Wilderness Medical Society Terms and Conditions

2. Figure 1 Himalayan Rescue Association clinic, Pheriche, Nepal, 4250m.
Wilderness & Environmental Medicine  , DOI: ( /07-WEME-OR-094R1.1)
Copyright © 2007 Wilderness Medical Society Terms and Conditions

3. Figure 2
Subject being examined at Himalayan Rescue Association clinic, Pheriche, Nepal, 4250m.
Wilderness & Environmental Medicine  , DOI: ( /07-WEME-OR-094R1.1)
Copyright © 2007 Wilderness Medical Society Terms and Conditions

4. Figure 3
Typical tracing of tricupid regurgitant jet as seen using echo Doppler from a subject at 4250m, before intervention with oxygen.
Wilderness & Environmental Medicine  , DOI: ( /07-WEME-OR-094R1.1)
Copyright © 2007 Wilderness Medical Society Terms and Conditions

5. Figure 4
Mean pulmonary artery systolic pressure before and after oxygen intervention at 4250m.
Wilderness & Environmental Medicine  , DOI: ( /07-WEME-OR-094R1.1)
Copyright © 2007 Wilderness Medical Society Terms and Conditions