Periodic breathing may be observed in patients with severe congestive heart failure during exercise. We describe a patient with such a breathing pattern. We noted that nadir of oxygen consumption cycles slightly preceded the nadir of ventilation cycles, suggesting that this breathing pattern is due to cardiac output periodic changes, possibly through an interplay among the two ventricles and the pulmonary blood reservoir.
Respiro periodico durante esercizio fisico: espressione di una diversa forma di interdipendenza ventricolare? / G. Cattadori, G. Berna, P. Agostoni. - In: CARDIOLOGIA. - ISSN 0393-1978. - 43:4(1998), pp. 427-430.
Respiro periodico durante esercizio fisico: espressione di una diversa forma di interdipendenza ventricolare?
G. Cattadori;P. Agostoni
1998
Abstract
Periodic breathing may be observed in patients with severe congestive heart failure during exercise. We describe a patient with such a breathing pattern. We noted that nadir of oxygen consumption cycles slightly preceded the nadir of ventilation cycles, suggesting that this breathing pattern is due to cardiac output periodic changes, possibly through an interplay among the two ventricles and the pulmonary blood reservoir.
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