… during hypoxia. To detect rapid and dynamic changes in heart rate and blood pressure
variability… amplitude of oscillatory components in a frequency band of interest. We focused on two …

… than 5% variation as determined by the cardiac output computer, … output have been previously
attributed to increased heart rate (… of the conscious animal to low ambient oxygen tension …

… mean arterial blood pressure (MAP) and to obtain arterial blood … (increase in heart rate, CO,
and ventilation) during hypoxia; … investigated the acute effects of hypoxia in conscious dogs. …

… in heart rate [HR or RR interval (RRI)] and blood pressure (… in systolic blood pressure (SBP)
variability before hypoxia in … in conscious dogs (28), no change in each power in conscious …

… treatments, by measuring aortic blood pressure and heart rate responses to norepinephrineand
isoproterenol, respectively. Two groups of the dogs were made hypoxic with 5% oxygen …

… Although most studies have investigated the effects of acute hypoxia under anesthesia …
variation of autonomic nervous activity in rats, exploring heart rate and blood pressure variability …

… Hypoxemia in conscious humans and in dogs generally results … arterial blood pressure
(Gould-Statham PD 23), to withdraw … In six additional dogs, we set out to confirm the specific role …

… the separate effects of both respiratory stimuli on heart rate and blood pressure variability.…
In a total of 47 runs with hypoxia, heart rate, mean arterial pressure, respiratory rate and tidal …

… variability of 5%, interassay variability of 15… effects of hypoxemia and/or hypercapnic acidosis
in the intact animal. The increases in mean arterial pressure, cardiac output, and heart rate …

… cardiac output, heart rate, and systemic arterial pressure, but did not affect pulmonary arterial
pressure or … In a similar study in conscious dogs, HPV remained unchanged after α- and β-…