Results 271 to 280 of about 1,167,422 (304)

Stimulated osteoclastic and suppressed osteoblastic activity in metabolic but not respiratory acidosis.

American Journal of Physiology, 1995
When bone is cultured in acidic medium produced by a reduced bicarbonate concentration ([HCO(3-)]), a model of metabolic acidosis, there is greater net calcium efflux than when the same decrement in pH is produced by an increased partial pressure of ...
D. Bushinsky
semanticscholar   +1 more source

Respiratory Acidosis and Alkalosis

1999
Deviations of systemic acidity in either direction can have adverse consequences and, when severe, can be life-threatening. Therefore, it is essential for the clinician to be able to recognize and properly diagnose acid-base disorders, understand their impact on organ function, and be familiar with their treatment and the potential complications of ...
openaire   +2 more sources

Respiratory acidosis as seen following surgery

The American Journal of Surgery, 1962
Abstract Hypercarbia is discussed in terms of various types of respiratory insufficiency. Factors are outlined which predispose to, or precipitate, postoperative respiratory acidosis together with a brief discussion of its prevention and management. Selected topics of recent interest are annotated and discussed in more detail.
openaire   +4 more sources

Helium-oxygen mixtures in intubated patients with status asthmaticus and respiratory acidosis.

Chest, 1990
Seven patients with status asthmaticus intubated for respiratory failure who had elevated airway pressures and persistent respiratory acidosis were successfully ventilated using a mixture of 60 percent helium and 40 percent oxygen.
E. Gluck, D. Onorato, R. Castriotta
semanticscholar   +1 more source

Carbon dioxide added late in inspiration reduces ventilation-perfusion heterogeneity without causing respiratory acidosis.

Journal of applied physiology, 2004
We have shown previously that inspired CO2 (3-5%) improves ventilation-perfusion (Va/Q) matching but with the consequence of mild arterial hypercapnia and respiratory acidosis. We hypothesized that adding CO2 only late in inspiration to limit its effects
Thomas V. Brogan, H. Thomas Robertson, Wayne J. E. Lamm, J. Souders, E. R. Swenson   +4 more
semanticscholar   +1 more source

Pulmonary hemodynamics in respiratory acidosis in dogs

American Journal of Physiology-Legacy Content, 1963
Pulmonary vascular resistance of intact anesthetized dogs rose during constant ventilation with 5–8% CO2. This rise was not due to mechanical effects of decreased pulmonary artery or left atrial pressures or to decreased cardiac output, but appeared to be due to active pulmonary vasoconstriction.
Leonard M. Linde, Norman Lewis, Daniel H. Simmons   +2 more
openaire   +3 more sources

Greater unidirectional calcium efflux from bone during metabolic, compared with respiratory, acidosis.

American Journal of Physiology, 1992
There is a smaller net calcium efflux from bone in vitro during respiratory (increased PCO2) than metabolic (decreased [HCO3-] acidosis. This could be due to the elevated PCO2, which would lessen the driving force for mineral dissolution and increase the
D. Bushinsky, N. Sessler, N. Krieger
semanticscholar   +1 more source

Acute respiratory acidosis in the domestic fowl

Comparative Biochemistry and Physiology, 1967
Abstract 1. 1. Laying fowl and cockerels have been placed in 7% or 20% carbon dioxide for about 12 hr. 2. 2. Bicarbonate, base excess, carbon dioxide tension and pH levels of the blood have been assessed in relation to acute hypercapnia and eggshell formation. 3. 3. There is a fall in base excess at the start of respiratory acidosis. 4.
K. Simkiss, J.R. Hunt
openaire   +3 more sources

Respiratory acidosis.

Respiratory care, 2001
Respiratory acidosis, or primary hypercapnia, is the acid-base disorder that results from an increase in arterial partial pressure of carbon dioxide. Acute respiratory acidosis occurs with acute (Type II) respiratory failure, which can result from any sudden respiratory parenchymal (eg, pulmonary edema), airways (eg, chronic obstructive pulmonary ...
S K, Epstein, N, Singh
openaire   +1 more source

A CLINIC ON RECOGNITION AND MANAGEMENT OF RESPIRATORY ACIDOSIS

Journal of the American Medical Association, 1958
Each day in hospitals in the United States, deaths due to respiratory acidosis occur among patients seen in all fields of medical and surgical practice. Although certain clinical signs should alert physicians to the presence of this condition, all too often it is unrecognized.
Hurley L. Motley, Joseph F. Boyle, Reginald H. Smart   +2 more
openaire   +3 more sources