Intrapulmonary and Intracardiac Shunting With Exercise at Altitude

Slides:

Advertisements

Similar presentations

Effect of l-Carnitine Supplementation on Endurance Exercise in Normobaric/Normoxic and Hypobaric/Hypoxic Conditions Usha Panjwani, PhD, Lalan Thakur, BSc,

Advertisements

Search and Rescue in Yosemite National Park: A 10-Year Review

Students Experience Self-Esteem Improvement During Mountaineering

High-Intensity Intermittent Exercise Increases Pulmonary Interstitial Edema at Altitude But Not at Simulated Altitude Mark E. Edsell, FRCA, FFICM, Yashvi.

Linda E. Keyes, MD, Peter H. Hackett, MD, Andrew M. Luks, MD

Clinical Images Wilderness & Environmental Medicine

Brief Altitude Exposure in New Zealand White Rabbits (Oryctolagus cuniculus) Does Not Produce Elevated Intracranial Pressure Joseph D. Pendon, MD, James.

Students Experience Self-Esteem Improvement During Mountaineering

Incidence of Acute Mountain Sickness in Adolescents

Improving Sleep at Altitude: A Comparison of Therapies

Polygraphy of Sleep at Altitudes Between 5300m and 7500m During an Expedition to Mt. Everest (MedEx 2006) Klaus Mees, PhD, MD, Richard de la Chaux, MD

George W. Rodway, PhD, CRNP, Jeremy S. Windsor, MB ChB

Jeremy S. Windsor, James S. Milledge, George W. Rodway

Ricky L. Langley Wilderness & Environmental Medicine

Residence at Moderate Versus Low Altitude Is Effective at Maintaining Higher Oxygen Saturation During Exercise and Reducing Acute Mountain Sickness Following.

Oximetry Fails to Predict Acute Mountain Sickness or Summit Success During a Rapid Ascent to 5640 Meters Dale R. Wagner, PhD, Jonathan R. Knott, MS,

Climbing the Education Mountain: Designing the New Diploma in Mountain Medicine for the United Kingdom Kyle Pattinson, BM, FRCA, Sarah Matthews, BSc,

Eric M. Snyder, PhD, Jan Stepanek, MD, Sheryl L. Bishop, PhD, Bruce D

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

Efficient Breathing Circuit for Use at Altitude

English Air—The Story of the 1922 Mt Everest Oxygen Apparatus

Colin Powell, BSc (tech) FHEA Wilderness & Environmental Medicine

Search and Rescue in Yosemite National Park: A 10-Year Review

Cardiovascular Demands of Deer Retrieval Methods

Death by Volcanic Laze Wilderness & Environmental Medicine

Temperature and Blood Pressure Following Amlodipine Overdose

The Snow Snorkel: A Proof of Concept Study

Hydration and the Physiological Responses to Acute Normobaric Hypoxia

Symptoms and Treatment of Acute Conjunctivitis Caused by Skin Secretions of Veined Tree Frog (Trachycephalus Venulosus) Levente Tanacs, MD, Etienne Littlefair,

Efficacy of a New Blister Prevention Plaster Under Tropical Conditions

Effects of Cold Environment Exposure and Cold Acclimatization on Exercise-Induced Salivary Cortisol Response Shuhei Izawa, PhD, Kijin Kim, PhD, Takayuki.

Fernando A. Moraga, BSc, Jorge D. Osorio, BSc, Manuel E. Vargas, MD

Does Pan Diameter Influence Carbon Monoxide Levels During Heating of Water to Boiling Point With a Camping Stove? Simon Leigh-Smith, MBChB, MRCGP, FRCSEd.

Gregory S. Farnell, PhD, Katie E. Pierce, MA, Tiffany A

Eric M. Snyder, PhD, Jan Stepanek, MD, Sheryl L. Bishop, PhD, Bruce D

Brief Altitude Exposure in New Zealand White Rabbits (Oryctolagus cuniculus) Does Not Produce Elevated Intracranial Pressure Joseph D. Pendon, MD, James.

Airway Mucociliary Function at High Altitude

Physical and Medical Characteristics of Successful and Unsuccessful Summiteers of Mount Everest in 2003 Colette Wiseman, BS, Luanne Freer, MD, FACEP,

Ankle-Brachial Index on Kilimanjaro: Lessons from High Altitude

The Effect of Acetazolamide on Saccadic Latency at 3459 Meters

John S. Cuddy, MS, Julie A. Ham, MS, Stephanie G. Harger, MS, Dustin R

Tribute to Jonna Barry Wilderness & Environmental Medicine

Doppler study of middle cerebral artery blood flow velocity and cerebral autoregulation during a simulated ascent of Mount Everest Aram Ter Minassian,

Sildenafil and Exercise Capacity in the Elderly at Moderate Altitude

Effects of Cold Environment Exposure and Cold Acclimatization on Exercise-Induced Salivary Cortisol Response Shuhei Izawa, PhD, Kijin Kim, PhD, Takayuki.

O. Larsell Wilderness & Environmental Medicine

Diabetic Ketoacidosis and Acute Mountain Sickness: Case Report and Review of Treatment Options in Type 1 Diabetes Mellitus Steven C.M. Miller, BSc, MBChB,

Time for an Alternative Perspective: The Eternal Problem of Supply and Quality of Anti Snake Venom in the Developing World—“It's the Economy, Stupid”

Long-Term Monitoring of Oxygen Saturation at Altitude Can Be Useful in Predicting the Subsequent Development of Moderate-to-Severe Acute Mountain Sickness

Rabies in Turkey: Three Human Cases Illustrating the Importance of Suspecting Exposure Yalcin Buyuk, MD, Ibrahim Uzun, MD, Yesim Aybar, MD, Gulay Kurnaz,

Cerebral Hemodynamics at Altitude: Effects of Hyperventilation and Acclimatization on Cerebral Blood Flow and Oxygenation Matthew R. Sanborn, MD, Mark.

Sildenafil and Bosentan Improve Arterial Oxygenation During Acute Hypoxic Exercise: A Controlled Laboratory Trial I. Mark Olfert, PhD, Alexander Loeckinger,

Wilderness Rescue and Border Enforcement Along the Arizona Mexico Border—The Border Patrol Search, Trauma and Rescue Unit Samuel M. Keim, MD, MS, Frank.

Animal-Caused Fatalities in New Mexico, 1993–2004

Tiffany A. Esmat, PhD, Katherine E. Clark, PhD, Matthew D

Tick Attachment Sites Wilderness & Environmental Medicine

Inducing Hypoxemia in Healthy Humans: A Method for Intermittently Lowering Arterial Blood Oxygenation During Physiological Studies George W. Rodway,

George W. Rodway, PhD, CRNP, Jeremy S. Windsor, MB ChB

Gerald Dubowitz, MB, ChB, Andrew J. Peacock, MD

Neal W. Pollock, PhD, Gene W. Hobbs, CHT

Physiological Responses of Ultraendurance Athletes and Nonathletes During an Attempt to Summit Denali Erik Leon Olav Seedhouse, PhD, Andrew Philip Blaber,

A Comparison of Mountain Rescue Casualty Bags in a Cold, Windy Environment Stanley J. Grant, PhD, David Dowsett, MSc, Colin Hutchison, MSc, John Newell,

Femoral Traction Splints in Mountain Rescue Prehospital Care: To Use or Not to Use? That Is the Question Harriet Runcie, MB ChB, Mike Greene, FRCS, FCEM

Acute Mountain Sickness (AMS) Knowledge Among High Altitude Marathon Runners Competing in the Everest Marathon Abigail Letchford, MBChB, Rudra Paudel,

Risk Assessment in Winter Backcountry Travel

Shirley J. Fearn, PhD, FRCS, Andrew J. Picton, BSc, Andrew J

Mathias B. Forrester, BS Wilderness & Environmental Medicine

Acute Mountain Sickness in Children at 4380 Meters in the Himalayas

Adam M. Anderson, MD, John M. Leisey, MD

Todd McGrath, MD, Crystal Murphy, MD

Presentation transcript:

Intrapulmonary and Intracardiac Shunting With Exercise at Altitude Chris H.E. Imray, MB, BS, PhD, Kyle T.S. Pattinson, FRCA, Steve Myers, BSc, Colin W. Chan, FRCS, Helen Hoar, MB ChB, Steve Brearey, MB, ChB, Phil Collins, BSc, Alex D. Wright, FRCP Wilderness & Environmental Medicine Volume 19, Issue 3, Pages 199-204 (September 2008) DOI: 10.1580/07-WEME-BR-162.1 Copyright © 2008 Wilderness Medical Society Terms and Conditions

Figure 1 Experimental protocol. MCA indicates middle cerebral artery blood velocity (TCD, transcranial doppler); VO2, maximum oxygen consumption; PETO2, end-tidal oxygen; PETCO2, end-tidal carbon dioxide; SpO2, oxygen saturation; BP, blood pressure; HR, heart rate. Wilderness & Environmental Medicine 2008 19, 199-204DOI: (10.1580/07-WEME-BR-162.1) Copyright © 2008 Wilderness Medical Society Terms and Conditions

Figure 2 Transcranial doppler traces at maximum oxygen consumption on acute exposure to 3450m after the injection of contrast media into the left antecubital vein. Wilderness & Environmental Medicine 2008 19, 199-204DOI: (10.1580/07-WEME-BR-162.1) Copyright © 2008 Wilderness Medical Society Terms and Conditions