Haemodynamics in the horse: 2. Intracardiac, pulmonary arterial and aortic pressures.
The paper reports the changing pressure values during the cardiac cycle recorded from various chambers of the heart and great vessels using 2 catheter-mounted transducers, 9 cm apart. Pulse pressures are calculated. Transvalval pressure differences are determined taking account of the effect of hydrostatic pressure between the 2 sensors. The effects of some valvular lesions and arrhythmias and of changes in intrathoracic pressure are also described.
D000818:Animals; D001011:Aorta / Q000502:physiology* / Q000503:physiopathology; D001145:Arrhythmias, Cardiac / Q000503:physiopathology / Q000662:veterinary; D016275:Atrial Function; D001794:Blood Pressure; D006321:Heart / Q000502:physiology*; D006325:Heart Atria / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006734:Horse Diseases / Q000503:physiopathology; D006736:Horses / Q000502:physiology*; D008173:Lung Diseases, Obstructive / Q000503:physiopathology / Q000662:veterinary; D011651:Pulmonary Artery / Q000502:physiology* / Q000503:physiopathology; D016276:Ventricular Function