Susan R. Hopkins

Validity of pulse oximetry during maximal exercise in normoxia, hypoxia, and hyperoxia.

Role of the autonomic nervous system in the reduced maximal cardiac output at altitude.

Human autonomic activity and its response to acute oxygen supplement after high altitude acclimatization.

Beta-adrenergic or parasympathetic inhibition, heart rate and cardiac output during normoxic and acute hypoxic exercise in humans.

Persistence of the lactate paradox over 8 weeks at 3,800 m.

A pig model of high altitude pulmonary edema.

Does gender affect human pulmonary gas exchange during exercise?

Comparative physiology of lung complexity: implications for gas exchange.

Gender and pulmonary gas exchange during exercise.

Increased hypoxic ventilatory response during 8 weeks at 3800 m altitude.

Pulmonary blood flow heterogeneity during hypoxia and high-altitude pulmonary edema.

Functional magnetic resonance imaging of the lung: a physiological perspective.

The lung at maximal exercise: insights from comparative physiology.

Heterogeneous pulmonary blood flow in response to hypoxia: a risk factor for high altitude pulmonary edema?

Steep head-down tilt has persisting effects on the distribution of pulmonary blood flow.

The effect of incomplete acetylene washout on cardiac output measurement using open circuit acetylene uptake.

Exercise induced arterial hypoxemia: the role of ventilation-perfusion inequality and pulmonary diffusion limitation.

Advances in magnetic resonance imaging of lung physiology.

Effect of acetazolamide on pulmonary and muscle gas exchange during normoxic and hypoxic exercise.

Effects of age on pulmonary perfusion heterogeneity measured by magnetic resonance imaging.

Vertical gradients in regional lung density and perfusion in the supine human lung: the Slinky effect.

Tidal volume dependency of gas exchange in bronchoconstricted pig lungs.

Pulmonary perfusion in the prone and supine postures in the normal human lung.

Hypoxia has a greater effect than exercise on the redistribution of pulmonary blood flow in swine.

Regional cerebral blood flow during acute hypoxia in individuals susceptible to acute mountain sickness.

Point:Counterpoint: Gravity is/is not the major factor determining the distribution of blood flow in the human lung.

Point: Exercise-induced intrapulmonary shunting is imaginary.

Early brain swelling in acute hypoxia.

Characterizing pulmonary blood flow distribution measured using arterial spin labeling.

Quantitative MRI measurement of lung density must account for the change in T(2) (*) with lung inflation.

Last Word on Point:Counterpoint: Exercise-induced intrapulmonary shunting is imaginary vs. real.

Rapid intravenous infusion of 20 ml/kg saline does not impair resting pulmonary gas exchange in the healthy human lung.

Point: Pulmonary edema does occur in human athletes performing heavy sea-level exercise.

Lung volume does not alter the distribution of pulmonary perfusion in dependent lung in supine humans.

Vertical distribution of specific ventilation in normal supine humans measured by oxygen-enhanced proton MRI.

Lung perfusion measured using magnetic resonance imaging: New tools for physiological insights into the pulmonary circulation.

Measuring lung water: ex vivo validation of multi-image gradient echo MRI.

Comments on point: counterpoint: high altitude is/is not for the birds!