Regions Now: Back to base(ics) - a primer in blood gas acid base analysis

2021 ◽  
Author(s):  
Tom Greensmith
Keyword(s):  
Blood Gas ◽  
Acid Base ◽  
Base Analysis

Anaerobic Collection and Storage of Blood Micro Samples

PEDIATRICS ◽  
1969 ◽  
Vol 44 (1) ◽  
pp. 123-125
Author(s):  
M. Klein ◽  
H. de V. Heese ◽  
V. C. Harrison ◽  
Lydia Abel
Keyword(s):  
Cerebrospinal Fluid ◽  
Full Advantage ◽  
Blood Gas ◽  
Acid Base ◽  
Simple Method ◽  
Base Analysis ◽  
And Storage

A simple method for taking anaerobic blood micro samples directly from indwelling arterial, venous, and cerebrospinal fluid needles or catheters is described. This method allows full advantage to be taken of the micro techniques available for blood-gas and acid-base analysis. The tubes may be stored in metal thermometer cases which have previously been imbedded in ice.

Blood Gas and Acid-Base Analysis

2011 ◽  
pp. 24-30
Author(s):  
Matthew D. Coleman ◽  
Steven T. Morozowich
Keyword(s):  
Blood Gas ◽  
Acid Base ◽  
Base Analysis

Effects of syringe type and storage conditions on results of equine blood gas and acid-base analysis

2012 ◽  
Vol 73 (7) ◽  
pp. 979-987 ◽  
Author(s):  
Sarah A. Kennedy ◽  
Peter D. Constable ◽  
Ismail Sen ◽  
Laurent Couëtil
Keyword(s):  
Storage Conditions ◽  
Blood Gas ◽  
Acid Base ◽  
Base Analysis ◽  
And Storage

Blood gas and acid-base analysis of arterial blood in 57 newborn calves

2007 ◽  
Vol 161 (20) ◽  
pp. 688-691 ◽  
Author(s):  
U. Bleul ◽  
B. Lejeune ◽  
S. Schwantag ◽  
W. Kahn
Keyword(s):  
Blood Gas ◽  
Acid Base ◽  
Arterial Blood ◽  
Base Analysis ◽  
Newborn Calves

Vasomotion induces regular major oscillations in jejunal mucosal tissue oxygenation

1994 ◽  
Vol 266 (6) ◽  
pp. G978-G986 ◽  
Author(s):  
W. Hasibeder ◽  
R. Germann ◽  
H. Sparr ◽  
M. Haisjackl ◽  
B. Friesenecker ◽  
...  
Keyword(s):  
Tissue Oxygenation ◽  
Jejunal Mucosa ◽  
Blood Gas ◽  
Acid Base ◽  
Oxygen Extraction Ratio ◽  
Physiological Basis ◽  
Midline Laparotomy ◽  
Jejunal Segment ◽  
Hemoglobin Saturation ◽  
The Mean

The mucosa of the small intestine has some unique microcirculatory features that may result in significant tissue oxygenation changes even under physiological conditions. To prove this hypothesis we investigated mucosal and serosal oxygenation in an autoperfused, innervated jejunal segment in pigs. Eight animals (30-40 kg) were anesthetized, paralyzed, and normoventilated. A small segment of the jejunal mucosa and serosa was exposed by a midline laparotomy and an antimesenteric incision. Mucosal and serosal oxygen tensions were measured using Clark-type surface oxygen electrodes. Mucosal hemoglobin saturation and concentration were determined by tissue reflectance spectrophotometry. Systemic hemodynamics, mesenteric-venous acid base, and blood gas variables, as well as systemic acid-base and blood gas variables and jejunal electromyogenic potentials, were recorded. Measurements were performed after a rest period at 0, 30, 60, and 90 min. All animals remained hemodynamically stable. At time 0 the jejunal oxygen extraction ratio was 0.33 +/- 0.05, the mean serosal PO2 was 60.25 +/- 7.69, the mean mucosal PO2 was 25.47 +/- 4.41 mmHg, and the mean mucosal hemoglobin saturation was 46.36 +/- 6.22%. Mean values did not change with time. In contrast to serosal PO2, mucosal PO2, mucosal hemoglobin oxygen saturation, and hemoglobin concentration showed rhythmic oscillations with a frequency of 3.4-5 cycles/min that were unrelated to systemic hemodynamic parameters, respiratory frequency, and intestinal peristalsis. From this we concluded that the jejunal mucosa demonstrates significant, regular changes in oxygenation parameters that are locally mediated. We speculate that the physiological basis for this phenomenon is the countercurrent arrangement of microvessels in conjunction with vasomotion.(ABSTRACT TRUNCATED AT 250 WORDS)

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