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Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise.

Dag Linnarsson

Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise.

by Dag Linnarsson

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  • 18 Currently reading

Published by Karolinska Institutet, Faculty of Medicine in Stockholm .
Written in English


Edition Notes

SeriesActa physiologica Scandinavica -- supplementum 415
ID Numbers
Open LibraryOL17335117M
ISBN 109172220821

  HIDROGINÁSTICA – Exercícios em suspensão, 82 Saltos, 85 Abdominais, 88 Membros Superiores, 89 Capítulo 4 ELAbORANDO umA. Respostas cardiorespiratórias em exercícios de hidroginástica executados. in the water and on land with and without the X walk’n tone exercise belt. 15 Minute Pool Exercise Routine For Rapid Weight Loss Exercicios Na Piscina, Hidro, Exercícios. Girandola, R.N., and F. I. Katch, Effects of physical conditioning in changes in exercise and recovery oxygen uptake and efficiency during constant load ergometer exercise. Med Sci. Sports 5: Linnarson, D. Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise. Acta. Phys. Scand,

Studies of the limited exercise capacity in patients with COPD have not assessed the recovery phase, although the phenomenon of increased oxygen uptake after exercise has been thoroughly investigated in normal subjects. Therefore, we compared the recovery of gas exchange variables and HR after maximal cycle ergometry in 16 patients with varying severities of airflow obstruction and ten aged. Attainment of a steady state for oxygen uptake () during constant work rate exercise has been reported to take longer for patients with chronic heart failure (CHF) compared with normal. The steady state is also delayed in normal subjects during high-intensity exercise compared with moderate exercise, however, and the delay correlates with the degree of associated lactic acidosis.

Start studying Pulmonary Ventilation & Gas Exchange. Learn vocabulary, terms, and more with flashcards, games, and other study tools. - rate of gas movement into or out of the lungs per minute. small amount of venous blood returns from certain tissues and bypasses lungs for gas exchange on way to L heart. Effect of interbreath fluctuations on characterizing exercise gas exchange kinetics. J Appl Physiol –, Link | ISI Google Scholar; Linnarsson D. Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise. .


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Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise by Dag Linnarsson Download PDF EPUB FB2

Acta Physiol Scand Suppl. ; Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise.

Linnarsson by: Corpus ID: Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise. @article{LinnarssonDynamicsOP, title={Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise.}, author={Dag Linnarsson}, journal={Acta physiologica Scandinavica.

Linnarsson D. () Dynamics of pulmonary gas exchange and heart rate at start and end of exercise. Acta physiol. Scand. Miyamoto Y., Nakazono Y., Hiura T.

and Abe Y. () Cardiorespiratory dynamics during sinusoidal and im- pulse exercise in man. Jap. Physiol. 33, Cited by: 4. Six Standardbred horses were used to evaluate the time course of pulmonary gas exchange, ventilation, heart rate (HR) and acid base balance during different intensities of constant-load treadmill exercise.

Horses were exercised at approximately 50%, 75% and % maximum oxygen uptake ($$\dot V_{{\text{O}}_2 } $$ max) for 5 min and measurements taken every 30 s throughout by:   Linnarsson D () Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise.

Acta Physiol Scand [Suppl] – Google Scholar. Murphy PC, Cuervo LA, Hughson RL () Comparison of ramp and step exercise protocols during hypoxic exercise in by: Linnarson D () Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise.

Acta Physiol Scand [Suppl] –68 Google Scholar. The rate of increase of pulmonary oxygen uptake (V ˙ o 2) at exercise onset depends on the rates of increase of cardiac output and tissue O 2 extraction (V ˙ o 2 = cardiac output X arterial-venous O 2 difference). As early as1 it was reported that the dynamic response of V ˙ o 2 to exercise was slowed in the presence of circulatory disease.

More recently, it has been recognized. This chapter discusses the arterial blood gases, heart rate, and gas exchange during rest and exercise in men saturated at a simulated seawater depth of ft.

In a study described in the chapter, physiological measurements were obtained from each of three healthy male volunteers during alternating periods of exercise and rest. Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise.

Acta Physiologica Scandinavica 1 – 8 Whipp, BJ, Ward, SA, Lamarra, N, Davis, JA and Wasserman, K (). Cardiopulmonary exercise testing (CPX) measures a broader range of variables related to cardiorespiratory function, including expiratory ventilation (V̇ e) and pulmonary gas exchange (oxygen uptake [V̇ o 2] and carbon dioxide output [V̇ co 2]), along with the ECG and blood pressure, with the goal of quantitatively linking metabolic.

Linnarsson D. Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise. Acta Physiol Scand Suppl. ; – Miyamoto Y, Hiura T, Tamura T, Nakamura T, Higuchi J, Mikami T. Dynamics of cardiac, respiratory, and metabolic function in.

Cardio-Pulmonary Changes during Exercise – Heart rate increases linearly with the severity and duration of exercise. Heart rate is slightly increased even before the onset of exercise due to influence of cerebral cortex on the medullary cardiac centre.

The maximal heart rate achieved is determined by the age of the subject. Also called. Linnarsson D. Dynamics of Pulmonary Gas Exchange and Heart Rate Changes at Start and End of Exercise.

Acta Physiol Scand. ; – [Google Scholar] Lo LW, Vinogradov SA, Koch CJ, Wilson DF. A new, water soluble, phosphor for oxygen measurements in vivo. Adv Exp Med Biol. ; – [Google Scholar]. Linnarsson D. Dynamics of pulmonary gas exchange and heart rate changes at the start and end of exercise.

Acta Physiol Scand 1–68, Mahler M. First order kinetics of muscle oxygen consumption, and equivalent proportionality between Q˙ O2 and phosphorylcreatine level.

Implications for the control of respiration. J Gen Physiol   Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise. Effects of aquatic resistance training on neuromuscular performance in healthy women. The aim of the present study was to analyse the heart rate and the oxygen uptake in hydrogymnastics exercises performed with and without the use of resistive equipment.

To elucidate the role of factors other than the nervous system in heart rate (f c) control during exercise, the kinetics off c and plasma catecholamine concentrations were studied in ten heart transplant recipients during and after min cycle ergometer exercise at 50 W.

Thef c did not increase at the beginning of the exercise for about 60 s. 3 Metra M, Raccagni D, Carini G, Orzan F, Papa A, Nodari S, Cody RJ, Dejours P.

Ventilatory and arterial blood gas changes during exercise in heart failure. In: Exercise Gas Exchange in Heart Disease. Wasserman K, ed. Armonk, NY: Futura Publishing Co; Google Scholar; 4 Kobayashi T, Itoh H, Kato K.

The role of increased dead space. output (ho,), O2 uptake (vo2), and heart rate were comprised of an abrupt increase at exercise onset, followed by a slower rise to the new steady state (t = 48, 43, 31, and 33 s.

Linnarsson D. Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise. Acta Physiol Scand ; Suppl.: 1– CAS Google Scholar 6. Whipp BJ. Dynamics of pulmonary gas exchange. Circulation ; 76 Suppl.

VI: 18– Google Scholar. Linnarsson D. Dynamics of pulmonary gas exchange and heart rate changes at start and end of exercise. Acta Physiol Scand Suppl. ; – Linton RA, Band DM. The effect of potassium on carotid chemoreceptor activity and ventilation in the cat.

Respir Physiol. Jan; 59 (1)– Miller JP, Cunningham DJ, Lloyd BB, Young JM. A symptom-limited incremental exercise test with the measurement of expired gas is widely performed for evaluating exercise capacity in cardiac patients and for stratifying patients with heart fail-ure.

1 2 3 Among indexes of cardiopulmonary exercise testing, the peak oxygen uptake (V ˙ o 2) measured at maximal exercise has been considered a “gold standard” because it reflects maximal.

Gas exchange, ventilation and heart rate were measured with each breath, as described below. The separate transition responses for Vo: and "o~ were time aligned to the start of exercise and averaged for each subject.

Measurement of gas exchange.Linnarsson D (). Dynamics of pulmonary gas exchange and the heart rate changes at start and end of exercise. Acta Physiologica Scandinavica, (Suppl): [ Links ] Ribeiro TF, Gomes VR, Moura MAS et al. (). Estudo do limiar de anaerobiose em mulheres sedentárias durante esforço físico .