Search Results - "Dempsey, J A"

Response time and sensitivity of the ventilatory response to CO2 in unanesthetized intact dogs: central vs. peripheral chemoreceptors by Smith, C. A, Rodman, J. R, Chenuel, B. J. A, Henderson, K. S, Dempsey, J. A

“…John Rankin Laboratory of Pulmonary Medicine, Department of Population Health Sciences, School of Medicine, University of Wisconsin, Madison, Wisconsin…”
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Exercise-induced arterial hypoxemia by Dempsey, Jerome A, Wagner, Peter D

“…1  John Rankin Laboratory of Pulmonary Medicine, Department of Preventive Medicine, University of Wisconsin-Madison, Madison, Wisconsin 53705; and 2…”
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The apneic threshold during non-REM sleep in dogs: sensitivity of carotid body vs. central chemoreceptors by Smith, C. A, Chenuel, B. J, Henderson, K. S, Dempsey, J. A

“…1 John Rankin Laboratory of Pulmonary Medicine and Department of Population Health Sciences, University of Wisconsin, Madison, Wisconsin; and 2 Laboratoire de…”
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Effects of respiratory muscle work on exercise performance by Harms, Craig A, Wetter, Thomas J, St. Croix, Claudette M, Pegelow, David F, Dempsey, Jerome A

“…1  John Rankin Laboratory of Pulmonary Medicine, Department Preventive Medicine, University of Wisconsin, Madison, Wisconsin 53705; and 2  Department of…”
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Exercise-induced diaphragmatic fatigue in healthy humans by Johnson, B D, Babcock, M A, Suman, O E, Dempsey, J A

“…1. Twelve healthy subjects (33 +/- 3 years) with a variety of fitness levels (maximal oxygen uptake (VO2, max) = 61 +/- 4 ml kg-1 min-1, range 40-80),…”
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Carotid body denervation in dogs: eupnea and the ventilatory response to hyperoxic hypercapnia by Rodman, J. R, Curran, A. K, Henderson, K. S, Dempsey, J. A, Smith, C. A

“…The John Rankin Laboratory of Pulmonary Medicine, University of Wisconsin School of Medicine, Madison, Wisconsin 53705 We assessed the time course of changes…”
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Fatiguing inspiratory muscle work causes reflex sympathetic activation in humans by Croix, Claudette M., Morgan, Barbara J., Wetter, Thomas J., Dempsey, Jerome A.

“…We tested the hypothesis that reflexes arising from working respiratory muscle can elicit increases in sympathetic vasoconstrictor outflow to limb skeletal…”
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Gas exchange during exercise in habitually active asthmatic subjects by Haverkamp, H. C, Dempsey, J. A, Miller, J. D, Romer, L. M, Pegelow, D. F, Rodman, J. R, Eldridge, M. W

“…1 The John Rankin Laboratory of Pulmonary Medicine, Department of Population Health Sciences, and 2 Department of Pediatrics, University of Wisconsin-Madison,…”
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Effects of respiratory muscle work on cardiac output and its distribution during maximal exercise by Harms, Craig A, Wetter, Thomas J, McClaran, Steven R, Pegelow, David F, Nickele, Glenn A, Nelson, William B, Hanson, Peter, Dempsey, Jerome A

“…Department of Preventive Medicine, John Rankin Laboratory of Pulmonary Medicine, University of Wisconsin, Madison, Wisconsin 53705 We have recently…”
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Mechanical constraints on exercise hyperpnea in endurance athletes by Johnson, B D, Saupe, K W, Dempsey, J A

“…We determined how close highly trained athletes [n = 8; maximal oxygen consumption (VO2max) = 73 +/- 1 ml.kg-1.min-1] came to their mechanical limits for…”
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Respiratory muscle work compromises leg blood flow during maximal exercise by Harms, Craig A, Babcock, Mark A, McClaran, Steven R, Pegelow, David F, Nickele, Glenn A, Nelson, William B, Dempsey, Jerome A

“…Craig A. Harms, Mark A. Babcock, Steven R. McClaran, David F. Pegelow, Glenn A. Nickele, William B. Nelson, and Jerome A. Dempsey John Rankin Laboratory of…”
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Oxygen cost of exercise hyperpnea: implications for performance by Aaron, E A, Seow, K C, Johnson, B D, Dempsey, J A

“…We addressed two questions concerned with the metabolic cost and performance of respiratory muscles in healthy young subjects during exercise: 1) does exercise…”
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Repeat exercise normalizes the gas-exchange impairment induced by a previous exercise bout in asthmatic subjects by Haverkamp, H. C, Dempsey, J. A, Miller, J. D, Romer, L. M, Pegelow, D. F, Lovering, A. T, Eldridge, M. W

“…Departments of 1 Population Health Sciences and 2 Pediatrics, University of Wisconsin-Madison, Madison, Wisconsin Submitted 21 December 2004 ; accepted in…”
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Symptom perception and respiratory sensation in asthma by BANZETT, Robert B, DEMPSEY, Jerome A, O, Denis E, DONNELL, WAMBOLDT, Marianne Z

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Mechanisms of the cerebrovascular response to apnoea in humans by Przyby owski, T., Bangash, M.-F., Reichmuth, K., Morgan, B. J, Skatrud, J. B, Dempsey, J. A

“…We measured ventilation, arterial O 2 saturation, end-tidal CO 2 ( P ET,CO2 ), blood pressure (intra-arterial catheter or photoelectric plethysmograph), and…”
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Longitudinal effects of aging on lung function at rest and exercise in healthy active fit elderly adults by McClaran, S R, Babcock, M A, Pegelow, D F, Reddan, W G, Dempsey, J A

“…We retested 18 healthy, active, and highly fit [maximal O2 consumption (VO2max) 201 +/- 12% of predicted] older adults over a 6-yr period (mean age 67-->73 yr)…”
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Contribution of diaphragmatic power output to exercise-induced diaphragm fatigue by Babcock, M A, Pegelow, D F, McClaran, S R, Suman, O E, Dempsey, J A

“…In nine normal humans we compared the effects on diaphragm fatigue of whole body exercise to exhaustion (86-93% of maximal O2 uptake for 13.2 +/- 2.0 min) to…”
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Smaller lungs in women affect exercise hyperpnea by McClaran, Steven R, Harms, Craig A, Pegelow, David F, Dempsey, Jerome A

“…John Rankin Laboratory of Pulmonary Medicine, Department of Preventive Medicine, University of Wisconsin-Madison, Madison, Wisconsin 53705 We subjected…”
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Respiratory sinus arrhythmia in humans: an obligatory role for vagal feedback from the lungs by Taha, B H, Simon, P M, Dempsey, J A, Skatrud, J B, Iber, C

“…Respiratory sinus arrhythmia (RSA) is used as a noninvasive measure of vagal cardiac input, but its causative mechanisms in humans remain undetermined. We…”
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Role of Respiratory Motor Output in Within-Breath Modulation of Muscle Sympathetic Nerve Activity in Humans by St. Croix, Claudette M, Satoh, Makoto, Morgan, Barbara J, Skatrud, James B, Dempsey, Jerome A

“…We measured muscle sympathetic nerve activity (MSNA, peroneal microneurography) in 5 healthy humans under conditions of matched tidal volume, breathing…”
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