PMID: 9659801Jul 11, 1998Paper

Periodic breathing during physical exercise: expression of a form of ventricular interdependence?

Cardiologia : bollettino della Società italiana di cardiologia
G CattadoriP Agostoni

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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