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Topic: Oxygen saturation

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	Oxygen Saturation at StorkNet's NICU Support Cubby
		Oxygen saturation tells us how much oxygen is bound to hemoglobin: when blood leaves the lungs it should be well-saturated with oxygen to deliver to the body.
		In general, the oxygen saturation in a baby with no lung or heart problems is high (93-100%).
		However, the ideal oxygen saturation is not the same for every baby, so be sure to ask your doctors and nurses about what the goal is for your own child.
	www.storknet.com /cubbies/nicu/exrs2.htm (295 words)

	Oxygen saturation - Wikipedia, the free encyclopedia
		Oxygen saturation is a relative measure of the amount of oxygen that is dissolved or carried in a given medium.
		At around 90% (the value varies according to the clinical context) oxygen saturation increases according to an S curve and approaches 100% at partial oxygen pressures of >10 kPa.
		However, as in the medical sense, oxygen saturation is calculated as the percent of DO relative to a theoretical maximum concentration given the temperature, pressure, and salinity of the water.
	en.wikipedia.org /wiki/Oxygen_saturation (468 words)

	Oxygen depletion - Wikipedia, the free encyclopedia
		Decline of oxygen saturation to anoxia, measured during the night in Kiel Fjord, Germany.
		Dissolved oxygen is typically expressed as a percentage of the oxygen that would dissolve in the water at the prevailing temperature and salinity (both of which affect the solubility of oxygen in water; see oxygen saturation and underwater).
		Oxygen depletion could be the result of a number of factors including natural ones, but is of most concern as a consequence of pollution and as a highly detrimental outcome of a process known as eutrophication.
	en.wikipedia.org /wiki/Oxygen_depletion (630 words)

	syngnathid.org - Oxygen Saturation
		Oxygen saturation is somewhat obscure test for almost all but the advanced hobbyist.
		Dissolved oxygen in water is a function of the specific gravity and the temperature of the water.
		To calculate your percentage of dissolved oxygen, test the amount of oxygen present in your tank (in parts per million), and divide the number from Table 1 corresponding to your tanks parameters into your result.
	www.syngnathid.org /articles/oxygenSaturation.html (558 words)

	Clinical Laboratory Science: Validation of oxygen saturation measurements in a canine model of hemoglobin based oxygen ...
		Oxygen saturations were calculated separately for the canine and bovine hemoglobin by using corresponding saturation curves and actual pO^sub 2^ values.
		Total oxygen saturation of the blood sample was calculated according to the concentrations of each hemoglobin species in the sample.
		Oxygen saturation measured with Co-oximeter represents the percent of oxyhemoglobin, expressed as a fraction of hemoglobin capable of binding to oxygen (oxyhemoglobin plus deoxyhemoglobin).
	www.findarticles.com /p/articles/mi_qa3890/is_200007/ai_n8908678/pg_2 (1262 words)

	The effect of turning and backrub on mixed venous oxygen saturation in critically ill patients -- Lewis et al. 6 (2): ...
		Mixed venous oxygen saturation was recorded at 1-minute intervals for 5 minutes in each of three periods: baseline, after turning, and after backrub.
		Mixed venous oxygen saturation was measured at 1-minute intervals for 5 minutes at two points: after the backrub and then with the patient lying on his side.
		For subjects in the delayed-backrub group, saturation was measured at 1-minute intervals for 5 minutes at two different points: after the subject was turned to his side and after the backrub.
	ajcc.aacnjournals.org /cgi/content/abstract/6/2/132 (415 words)

	Physical Properties: Water Chemistry: Oxygen, from Discovery of Estuarine Environments (DOEE)
		People need oxygen in the atmosphere to survive and animals that live in the ocean, like fish, need dissolved oxygen in the water to survive.
		Dissolved oxygen measurements are given as a percent of saturation (%) or in units of milligrams per liter (mg/l).
		Oxygen enters the water at the surface of the water where exchange between the atmosphere and the water can take place.
	omp.gso.uri.edu /doee/science/physical/choxy1.htm (437 words)

	Oxyhemoglobin Dissociation Curve
		Expressed as a percentage, the oxygen saturation is the ratio of the amount of oxygen bound to the hemoglobin, to the oxygen carrying capacity of the hemoglobin.
		In the lungs, at the alveolar-capillary interface, the partial pressure of oxygen is typically high, and therefore the oxygen binds readily to hemoglobin that is present.
		The oxyhemoglobin dissociation curve, and the role of hemoglobin, are important clinically in understanding the relationship of arterial, oxygen saturation to the partial pressure of oxygen in arterial blood, particularly as it relates to disease.
	www.ventworld.com /resources/oxydisso/dissoc.html (1570 words)

	Rob Toonen - Oxygen Saturation .... #reefs Article www.reefs.org
		Actually, natural seawater in areas around reefs are generally between 95-110% saturated with oxygen, and >60% of areas measured are at 100% saturation Obviously oxygen is important to our animals, and such concern is justified.
		On the reefs of St. Croix, night time oxygen levels range from about 5-6.5 mg oxygen/l, and daytime levels rise to around 7.5-9 mg oxygen/l (saturation was roughly 6.25) depending on the reef and location.
		Walter Adey reports similar levels of oxygen in his ATS-based tanks at the Smithsonian, but also points out in his book that it is not the oxygen concentration itself that is important but rather the EXCHANGE rate of oxygen.
	www.reefs.org /library/article/r_toonen14.html (392 words)

	Oxygen Therapy (Site not responding. Last check: 2007-10-31)
		Oxygen therapy is the administration of oxygen at concentrations greater than that in ambient air with the intent of treating or preventing the symptoms and manifestations of hypoxia.(1)
		Oxygen therapy has only limited benefit for the treatment of hypoxia due to anemia and benefit may be limited when circulatory disturbances are present.
		Oxygen therapy should be administered continuously unless the need has been shown to be associated only with specific situations (eg, exercise and sleep).
	www.rcjournal.com /online_resources/cpgs/othefcpg.html (1699 words)

	Hyperspectral Imaging for Measurement of Oxygen Saturation in the Optic Nerve Head -- Khoobehi et al. 45 (5): 1464 -- ...
		to assess oxygen saturation in the ocular fundus
		Relative saturation indices in Figures 9 and 11 were determined from retinal vessels marked as A (artery) and V (vein), and from the ONH inside areas bounded with white lines (rim) and fl lines (cup).
		of the oxygen saturation for assessing the vascular response
	www.iovs.org /cgi/content/full/45/5/1464 (4265 words)

	U-M CVC/MCHC - Oxygen Saturation Test
		The oxygen saturation test measures the amount of oxygen in a child's blood without the use of a needle.
		The sensor is connected to a machine which displays the oxygen saturation and the pulse rate.
		Oxygen saturation tests are performed when there is a concern that a child may be blue or might have less than the normal amount of oxygen in the blood.
	www.med.umich.edu /1libr/chheart/noninv10.htm (175 words)

	Dissolved Oxygen
		For oxygen, the approximate saturation level at 50° F. is 11.5 mg/l, at 70° F., 9 mg/l, and at 90° F., 7.5 mg/l.
		The minimum limiting oxygen concentrations for a fish is dependent upon its genetic makeup, water temperature, level of activity, long term acclimation, and stress tolerance.
		Oxygen is continually transferred into the water at the surface of the pond and normally only a small water fall will bring the pond water to or near to saturation.
	www.vcnet.com /koi_net/do.html (1660 words)

	Water on the Web \| Understanding \| Water Quality \| Parameters
		Adequate concentrations of dissolved oxygen are necessary for the life of fish and other aquatic organisms and the prevention of offensive odors.
		Oxygen concentrations are much higher in air, which is about 21% oxygen, than in water, which is a tiny fraction of 1 percent oxygen.
		Oxygen saturation is calculated as the percentage of dissolved O
	waterontheweb.org /under/waterquality/oxygen.html (2306 words)

	Forms of Pollution
		Oxygen is also introduced by aquatic plants and algae as a byproduct of photosynthesis.
		The amount of oxygen that dissolves is limited by physical condition, such as water temperature and atmospheric pressure.
		Percent saturation is the measured dissolved oxygen level divided by the greatest amount of oxygen that the water can hold under various temperature and atmospheric pressure conditions multiplied by 100.
	www.cotf.edu /ete/modules/waterq/wqdissolvedo2.html (399 words)

	What is oxygen saturation? (Site not responding. Last check: 2007-10-31)
		Oxygen is carried in the blood attached to haemoglobin molecules.
		Oxygen saturation is a measure of how much oxygen the blood is carrying as a percentage of the maximum it could carry.
		One haemoglobin molecule can carry a maximum of four molecules of oxygen, if a haemoglobin molecule is carrying three molecules of oxygen then it is carrying 3/4 or 75% of the maximum amount of oxygen it could carry.
	www.pulseox.info /what2.htm (132 words)

	MedTech1.com - Oxygen Saturation Test (Site not responding. Last check: 2007-10-31)
		Oxygen saturation tests measure the level of oxygen in your blood.
		Under normal conditions, 95 to 100 percent of your red blood cells should be saturated with oxygen when passing through your lungs.
		Your oxygen saturation level is tested with a clip on your finger.
	www.medtech1.com /research_center/diag20.cfm/119 (238 words)

	Fuzzy Logic Control of Oxygen Concentration
		Oxygen toxicity plays a role in the development of chronic lung disease in newborn infants requiring mechanical ventilation.
		Conversely, a patient may have a decreased oxygen requirement as clinical conditions improve, yet the amount of oxygen delivered may not be immediately decreased.
		The goal of this control system is to maintain patient oxygenation (measured by oxygen saturation using pulse oximetry) at a target level set by the physician.
	www.chip.org /chip/projects/avent/sun-fl-paper.html (2453 words)

	OBGYN.net - Transcript of the Roundtable on Fetal Oxygen Saturation Monitoring
		If it's dark red, the oxygen level is low and the computer inside the pulse oximeter simply translates that relative redness, that relative color measurement into a number that is displayed on the front panel giving the obstetrical staff a clear and objective measure of the level of oxygen.
		One other significant difference however, is that because fetuses live at very low levels of oxygen saturation, their typical normal level is between 30% and 70% for example, instead of the normal ex utero person who is, let's say, 90-100%.
		By looking at the monitor, the monitor while giving you the oxygen saturation value also gives you indicators as to whether or not the actual detection of the baby's pulse and the baby's oxygen level is adequate to be interpreted.
	www.obgyn.net /fm/fm.asp?page=/fm/feature/fsp02_trans (4310 words)

	Effect of sputum induction on arterial oxygen saturation and spirometry in HIV-infected patients.
		Oxygen saturation (peak, trough and change in oxygen saturation (delta O2)) was measured throughout the procedure using pulse oximetry, and these results compared with the chest radiograph and the final pulmonary diagnosis.
		Patients with PCP had lower peak and trough oxygen saturation values compared with the non-PCP group (mean peak 95 vs 97%; mean trough 88 vs 91%), and greater falls in O2 saturation during the procedure (mean delta O2 7.6 vs 5.5%).
		We conclude that although sputum induction causes significant falls in oxygen saturation and FEV1, it remains sensitive and safe, and provides a useful alternative to bronchoscopy for the diagnosis of PCP.
	www.aegis.com /aidsline/1994/sep/M9490329.html (521 words)

	Can Measurement of Mixed Venous Oxygen Saturation Replace Measurement of Cardiac Output in Patients With Advanced Heart ... (Site not responding. Last check: 2007-10-31)
		Thus, the relative amounts of oxygenated and deoxygenated hemoglobin are determined by measuring the absorption of light at the selected wavelengths.
		is the concentration of oxygenated hemoglobin, and Hgb is the concentration of deoxygenated hemoglobin.
		The relationship between mixed venous oxygen saturation and cardiac output in mechanically ventilated coronary artery bypass graft patients.
	www.aacn.org /AACN/jrnlajcc.nsf/GetArticle/ArticleEight75?OpenDocument (3338 words)

	Oxygen saturation test - MayoClinic.com (Site not responding. Last check: 2007-10-31)
		Oxygen saturation indicates the amount of oxygen in your blood.
		Red blood cells that are saturated with oxygen absorb and reflect light differently from those that are not.
		If a more precise measurement is needed, oxygen saturation can be measured in blood drawn from your radial artery, which is located on the inside of your wrist.
	www.mayoclinic.com /health/oxygen-saturation/AN01016 (253 words)

	Low Oxygen Saturation Level - Respiratory Disorders
		It is BAD for your body to have oxygen saturation levels below 90% for an extended period of time, as it stresses your body and organs, including your heart.
		Saturation levels between 95-100% at sea level are considered "normal." At 5000 feet elevation, oxygen saturation rates between 90-95% are considered "normal." Saturation levels can & do fluctuate a bit, but should still be maintained at or above 90%.
		I took her to ER where her oxygen saturation was 82%,she was admitted and has been given several test including CT scan of Lungs, Pulminary Function Test and UltraSound of Legs to see if she has blood clots.
	www.medhelp.org /forums/RespiratoryDisordersSupport/messages/17.html (2106 words)

	Continuous, In-Line Monitoring of Oxygen Saturation in Hemodialysis (Site not responding. Last check: 2007-10-31)
		Next, the saturation was held at a constant level while the blood was ultrafiltrated to change the hematocrit value.
		Oxygen saturation values and time increments were recorded to computer disk every 10 seconds by the Crit-Line Instrument during the entire treatment session.
		In Vitro Phase-Through linear regression analysis, a correlation coefficient (r) of 0.99, with a standard error of 1.87, was observed between the measurements of the Crit-Line Instrument and the CO-oximeter, as illustrated in Figure 1.
	www.eneph.com /feature_archive/hemodialysis/v24n11p615.html (1908 words)

	New Device Approval
		A new type of fetal monitor that measures oxygen saturation in the baby's blood as a sign of fetal health during labor and delivery.
		The monitor displays fetal oxygen saturation as the percentage of oxygen in the fetus's blood.
		It is intended for use only on single (not multiple) fetuses of at least 36 weeks gestation, where the mother's water has broken and the fetal head is in the normal, head down, position for delivery.
	www.fda.gov /cdrh/mda/docs/p990053.html (418 words)

	Retinal venous oxygen saturation and cardiac output during controlled hemorrhage and resuscitation -- Denninghoff et ...
		Retinal venous oxygen saturation and cardiac output during controlled hemorrhage and resuscitation -- Denninghoff et al.
		Retinal large vessel oxygen saturations correlates with early blood loss and hypoxia in anesthetized swine.
		Oxygen saturation measurements of blood in retinal vessels during blood loss.
	jap.physiology.org /cgi/content/full/94/3/891 (3425 words)

	ORIMtec: Surgical Monitoring News
		Oxygen saturation was monitored in addition to SSEPs in 11 procedures.
		A digital oxygen saturation monitor was attached to a left toe and measurements were recorded throughout the procedure.
		Results: Of the 23 procedures without oxygen saturation monitoring, nine cases had significant (increased latency of 10 percent and/or an amplitude reduction of at least 50 percent) changes in the left tibial SSEPs, representing 26 percent.
	www.orimtec.com /news/news.html (635 words)

	Perf 2nd Wind News Aug 1999
		The lower your saturation, the easier it is to blow those numbers up.
		The closer your saturations are to normal the better your technique needs to be in order to increase those saturation numbers.
		But, there are lots of patients with low oxygen saturations who are able to increase their saturations all the way up to 98% with excellent PLB technique.
	www.perf2ndwind.org /html/news/aug/aug2.html (678 words)

	Journal of Perinatology - Twelve-Month Prospective Study of Oxygen Saturation Measurements among Term and Preterm ... (Site not responding. Last check: 2007-10-31)
		The aims of this study were to describe oxygenation profiles in healthy preterm and term infants in relation to gestational and postnatal age and therefore to extend reference values to guide home oxygen therapy.
		Repeating the process in oxygen could confirm that the infants are receiving sufficient oxygen to ensure their oxygen saturation profile is within the normal range for healthy, gestational, age-matched infants.
		It was thought withdrawal from the study was lower in the preterm group because the infant had initially been in hospital longer and had been more familiar with oxygen saturation monitoring as an in-patient, while the term infants were discharged much sooner, and had had less contact with staff.
	www.nature.com /jp/journal/v25/n1/full/7211206a.html (1981 words)

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