conscious dogs
Alterations in left ventricular diastolic function in conscious dogs with pacing induced heart failure
... in conscious dogs (a) the effects of heart failure induced by chronic rapid ventricular pacing on the sequence of development of left ventricular (LV) diastolic versus systolic dysfunction and (b) whether ...
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Role of the endocrine pancreas in the kalemic response to acute metabolic acidosis in conscious dogs
... into conscious dogs (n = 12) with chronically implanted catheters in the portal, hepatic, and systemic circulation, and flow probes were placed around the portal vein and hepatic ...anesthetized dogs ...
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Role of intact cardiac nerves and reflex mechanisms in desensitization to catecholamines in conscious dogs
... in dogs instrumented with left ventricular (LV) pressure gauges and arterial and left atrial pressure ...intact, conscious dogs increased LV dP/dt by 1,531 +/- 208 mmHg/s before NE pumps, and by a ...
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Feedback inhibition of adrenocorticotropic hormone by physiological increases in plasma corticosteroids in conscious dogs
... We have tested the effect of physiological increases in plasma corticosteroids in conscious dogs on the levels of basal and hypoglycemia-stimulated adrenocorticotropic hormone (ACTH) 2 h later. Increases in ...
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Direct and reflex effects of nitroglycerin on coronary and left ventricular dynamics in conscious dogs
... The effects of intravenous and sublingual glyceryl trinitrate (nitroglycerin), 40 µg/kg, were studied on coronary blood flow and resistance, left ventricular (LV) pressures (P) and diameters (D), rate of change of ...
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Alterations in the Baroreceptor Reflex in Conscious Dogs with Heart Failure
... in conscious dogs with experimental cardiac hypertrophy and heart failure was compared with that in a group of normal conscious ...10 dogs with hypertrophy alone (P < 0.001), and to 3.3±0.5 ...
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Acute effects of mildly intoxicating levels of alcohol on left ventricular function in conscious dogs
... We assessed the effect of alcohol, before and after autonomic blockade, on left ventricular (LV) performance in conscious dogs. 10 animals were instrumented to determine LV volume from ultrasonic LV ...
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Early Estimation of Myocardial Damage in Conscious Dogs and Patients with Evolving Acute Myocardial Infarction
... in conscious dogs and patients, we analyzed early serum creatine phosphokinase (CPK) changes with nonlinear curve-fitting ...with dogs, serial serum CPK changes were fit to a log-normal function by ...
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Effects of Catecholamines, Exercise, and Nitroglycerin on the Normal and Ischemic Myocardium in Conscious Dogs
... healthy conscious dogs with normal coronary perfusion and in the same animals after moderate global ischemia had been induced by partial occlusion of the left main coronary ...
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Quantitative contribution of systemic vascular autoregulation in acute hypertension in conscious dogs
... nine conscious dogs to quantitate the contribution of systemic vascular autoregulation to the increases in total peripheral resistance (TPR) and mean arterial pressure (MAP) produced by angiotensin II (ANG ...
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Effects of morphine on coronary and left ventricular dynamics in conscious dogs
... We studied the effects of i.v. 2 mg/kg morphine sulfate (MS) on coronary blood flow and resistance, left ventricular (LV) diameter and pressure (P), rate of change of pressure (dP/dt), and dP/dt/P in conscious ...
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Effects of atropine and gastric inhibitory polypeptide on hepatic glucose uptake and insulin extraction in conscious dogs
... in conscious dogs demonstrated a significant increase in hepatic extraction of insulin only after oral glucose, but similar hepatic uptake of glucose after oral and intraportal glucose, which was greater ...
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Corticotropin releasing factor Mechanisms to inhibit gastric acid secretion in conscious dogs
... Immunoreactivity similar to that of corticotropin-releasing factor (CRF) is found in regions of the central nervous system that modulate autonomic responses, including gastrointestinal functions. We examined the central ...
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Effect of dexamethasone on hepatic glucose and insulin metabolism after oral glucose in conscious dogs
... To examine whether hyperinsulinemia associated with glucocorticoid treatment results solely from hypersecretion of insulin or also involves altered fractional hepatic extraction, oral glucose (1 g/kg body wt) was ...
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Effects of exerimental right ventricular hypertrophy on myocardial blood flow in conscious dogs
... myocardial blood flow in the absence of an elevated coronary arterial driving pressure were evaluated in 18 concscious dogs subjected to a chronic pressure overload of the right ventricle induced by pulmonary ...
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Control of the Myocardial Contractile State by Carotid Chemo and Baroreceptor and Pulmonary Inflation Reflexes in Conscious Dogs
... in dogs with spontaneous ventilation. Similarly, in dogs with spontaneous ventilation after vagotomy, carotid chemoreceptor stimulation also increased dP/dt by a greater amount, ...
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Insulin regulation of renal glucose metabolism in conscious dogs
... Although arterial plasma glucose concentration and systemic glucose Ra did not change following intrarenal insulin infusion, plasma FFA and glycerol concentrations decreased by 20% and s[r] ...
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Deleterious influence of hypothyroidism on evolving myocardial infarction in conscious dogs
... hypothyroid dogs was reduced by 14% and cardiac output reduced by 32%, with no change in left ventricular end-diastolic pressure, first derivative of left ventricular pressure rise, (dP/dt), or heart ...
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Extent of Carotid Sinus Regulation of the Myocardial Contractile State in Conscious Dogs
... The effects of bilateral carotid artery occlusion BCO and carotid sinus nerve stimulation CSNS on left ventricular LV pressure P, diameter D, velocity of contraction V, rate of change of[r] ...
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The renin angiotensin aldosterone system in congestive failure in conscious dogs
... the conscious dog by use of the nonapeptide converting enzyme ...in dogs with thoracic inferior vena caval constriction prevented the restoration of blood pressure and suppressed the rise in plasma ...
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