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Topic: Arterial blood gas

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	Arterial blood gas
		Arterial blood gas measurement is a test that can be done to determine the amount of oxygen, carbon dioxide and bicarbonate in the blood, as well as the pH of the blood.
		Arterial blood is taken from any easily accessible artery (typically either radial, brachial or femoral) or out of an arterial line.
		The machine aspirates this blood from the syringe and measures the pH and the partial pressures of oxygen and carbon dioxide and the bicarbonate concentration, as well as the oxygen saturation of hemoglobin.
	www.askfactmaster.com /Arterial_blood_gas (259 words)

	Arterial blood gas - Wikipedia, the free encyclopedia
		Arterial blood gas measurement is a blood test that is performed to determine the concentration of oxygen, carbon dioxide and bicarbonate, as well as the pH, in the blood.
		Arterial blood is taken from any easily accessible artery (typically either radial, brachial or femoral) or out of an arterial line.
		The machine aspirates this blood from the syringe and measures the pH and the partial pressures of oxygen and carbon dioxide and the bicarbonate concentration, as well as the oxygen saturation of hemoglobin.
	en.wikipedia.org /wiki/Arterial_blood_gas (427 words)

	Arterial Blood Gas Sampling - Sample Policy
		Arterial puncture should not be performed through a lesion or through or distal to a surgical shunt (e.g., as in a dialysis patient).
		Arterial blood specimens withdrawn from the body only reflect the physiologic condition at the moment of sampling (e.g., pain from the puncture itself may lead to hyperventilation with consequent changes in values).
		Some dual-purpose electrolyte/blood gas analyzers stipulate immediate analysis without chilling because of possible elevations in potassium from chilling; however, the accuracy of the blood gas results should not be affected by the chilling.
	members.tripod.com /~jeffpray/ppabg.html (1923 words)

	Arterial Blood Gases
		Most blood tests are done on a sample of blood taken from a vein, after the blood has already passed through the body's tissues where the oxygen is used up and carbon dioxide is produced.
		To prevent the possibility of damaging the artery of the wrist when the blood sample is taken, a procedure called the Allen test may be done to ensure that blood flow to your hand is normal.
		The levels of blood gases (oxygen and carbon dioxide) in an artery are measured as partial pressures (Pa).
	www.webmd.com /hw/lab_tests/hw2343.asp (1728 words)

	Blood Gas Text
		There are four good reasons for obtaining blood gases: 1) to assess the oxygenation capacity of the lungs for diagnostic reasons, 2) to assess the oxygen pressure in the blood for therapeutic reasons, 3) to assess respiratory adequacy, and 4) to assess acid-base status.
		And of course, blood gases are used to monitor the therapy of acidosis in the unstable patient.
		Blood gases are drawn from an artery with a small needle attached to a syringe.
	www.madsci.com /manu/gas_gen.htm (1627 words)

	Arterial Blood Gas - Lungs OnLine
		Blood Gases are normally obtained from an artery because arterial blood will give your doctor the best idea of how well your lungs are working.
		Arterial blood has come from the lungs and is on it's way to give oxygen to your muscles (or other tissues).
		Venous blood (blood from a vein) is on it's way from the muscles and back to the lungs to pick up more oxygen and get rid of dangerous carbon dioxide (CO2).
	www.lungsonline.com /abg.html (332 words)

	Blood gas analysis (Site not responding. Last check: )
		Blood gas analysis, also called arterial blood gas (ABG) analysis, is a test which measures the amounts of oxygen and carbon dioxide in the blood, as well as the acidity (pH) of the blood.
		Blood gas studies are usually done to assess respiratory disease and other conditions that may affect the lungs, and to manage patients receiving oxygen therapy (respiratory therapy).
		The blood sample is obtained by arterial puncture (usually in the wrist, although it could be in the groin or arm) or from an arterial line already in place.
	www.healthatoz.com /healthatoz/Atoz/ency/blood_gas_analysis.jsp (826 words)

	Arterial Blood Gases (Site not responding. Last check: )
		Blood gas analyses are performed to evaluate the adequacy of ventilation, oxygenation, oxygen-carrying capacity of the blood and acid-base levels.
		The commonest artery used is the radial followed by the dorsalis pedis; rarely the brachial and the femoral vessels (as they are the principal sources of blood supply to the limbs).
		The saturation as obtained by a blood gas analysis is more accurate than that obtained by a pulse oximetry, as it is not influenced by shock states and skin pigmentation.
	www.edu.rcsed.ac.uk /lectures/lt8.htm (2768 words)

	eMedicine - Cyanosis : Article by Lawrence Martin
		Before the era of rapid blood gas analysis, clinicians often assessed hypoxemia on clinical grounds alone, primarily by looking for cyanosis in the perioral area and fingers.
		When unaccompanied by hypoxemia, as determined by blood gas analysis, peripheral cyanosis is caused by peripheral vasoconstriction.
		To be sure of the diagnosis, obtain a pulse oximetry or arterial blood gas measurement.
	www.emedicine.com /med/topic3002.htm (1299 words)

	Arterial Blood Gas Analysis (Site not responding. Last check: )
		Blood is drawn anaerobically from a peripheral artery (radial, brachial, femoral, or dorsalis pedis) via a single percutaneous needle puncture, or from an indwelling arterial cannula or catheter for multiple samples.
		Immediate chilling is necessary.(12-13) Some dual-purpose electrolyte/blood gas analyzers stipulate immediate analysis without chilling because of possible elevations in potassium from chilling;(14) however, the accuracy of the blood gas results should not be affected by the chilling.
		Arterial blood sampling should be performed under the direction of a physician specifically trained in laboratory medicine, pulmonary medicine, anesthesia, or critical care.
	www.rcjournal.com /online_resources/cpgs/sabgacpg.html (2109 words)

	Adult Health Advisor 2005.4: Arterial Blood Gases
		An arterial blood gas (ABG) test is a blood test to measure the levels of oxygen and carbon dioxide in your blood.
		An artery is a vessel that carries oxygen-rich blood from the heart and lungs to the rest of the body.
		The artery most commonly used for this test is the artery in the wrist where your pulse is usually checked.
	www.med.umich.edu /1libr/aha/aha_artgases_crs.htm (637 words)

	Arterial Blood Gases - [Medical Test]
		An ABG test uses blood drawn from an artery, where the oxygen and carbon dioxide levels can be measured before they enter body tissues.
		This measures the pressure of oxygen dissolved in the blood and how well oxygen is able to move from the airspace of the lungs into the blood.
		Most other blood tests are done on a sample of blood taken from a vein, after the blood has already passed through the body's tissues where the oxygen is used up and carbon dioxide is produced.
	www.peacehealth.org /kbase/topic/medtest/hw2343/descrip.htm (321 words)

	ARTERIAL BLOOD GASES
		Measuring the amount of oxygen and carbon dioxide in blood tells us how effective breathing is. The arterial blood gas is the test used to measure the lung's effectiveness.
		An arterial blood gas may be requested to evaluate symptoms of lung disease, such as a chronic cough or shortness of breath.
		An artery is a vessel that carries oxygen-rich blood from the heart and lungs toward the body cells.
	www.dmc.org /health_info/topics/resp3541.html (219 words)

	Blood Gases: The Test
		Blood gas measurements are used to evaluate your oxygenation and acid/base status.
		Blood gas measurements may be ordered if you are known to have a respiratory, metabolic, or kidney disease and are experiencing respiratory distress to evaluate your oxygenation and acid/base balance.
		A pH imbalance, blood that is either too acidic (state of acidosis) or alkaline (state of alkalosis) will be primarily due to a condition or disease that affects either respiration (breathing, your lungs) or your metabolic processes.
	www.labtestsonline.org /understanding/analytes/blood_gases/test.html (719 words)

	Appropriateness of Arterial Blood Gas Measurements
		To justify the development and implementation of guidelines for ABG measurements, we conducted a prospective study to observe their appropriateness and the frequency of pulse oximetry usage in acute care general wards.
		The number of ABG measured was 1.5 per patient, the proper timing of ABG requests or utilization of pulse oximetry theoretically could have reduced this to 0.8.
		In summary, ABG measurements from acute care wards in a tertiary-care teaching hospital were found to be overutilized, a fact that is consistent with data in the literature.
	www.kfshrc.edu.sa /annals/192/98-089.html (1633 words)

	Arterial Blood Gases - Page 2
		At sea level, normal levels of this gas in arterial blood are 75 to 100 millimeters of mercury (mmHg).
		Normal oxygen saturation in arterial blood is 94 to 100 percent.
		Normal levels of this gas in arterial blood are 22 to 26 milliequivalents per liter (mEq/liter).
	heart.healthcentersonline.com /bloodtest/arterialbloodgases2.cfm (671 words)

	Medical Software - Arterial Blood Gases ABG Part I
		Through graphics and computerized animation, the user is shown how to obtain an arterial blood gas by performing an arterial puncture.
		Advanced Blood Gas Interpretations is set up similar to the Basic Blood Gas Interpretation section, except only the pH and PaCO2 are given.
		Arterial blood gas ABG software and arterial blood gas ABG resources / arterial blood gas ABG references and educational resources for arterial blood gas ABG.
	www.cssolutions.biz /arterial_blood_gases_1.html (494 words)

	Healthopedia.com - Arterial Blood Gases (ABG, Arterial Blood GAS)
		Arterial blood gases, called ABGs, are a series of blood measurements that are ordered as a single test.
		In most cases, an artery on the palm side of the wrist is used to get the blood.
		Blood flows into the syringe once the needle is put into the artery.
	www.healthopedia.com /arterial-blood-gases (381 words)

	Gas Exchange Pulmonary Function Tests - National Jewish Medical and Research Center
		Arterial blood gas is a blood sample test ordered by your physician to evaluate measurements of oxygen level, carbon dioxide (effectiveness of respiration), and several other parameters.
		Oximetry is a procedure, which measures the oxygen level in your blood, without having to take a blood sample, on a continuous basis.
		An arterial blood gas will be taken from your wrist to be analyzed immediately.
	www.njc.org /patient-info/progs/pps/tests/gas.aspx (488 words)

	Blood gases
		Blood gases measure the pH (acidity), oxygen content, and carbon dioxide content of the blood.
		Usually, blood gases are used to analyze the arterial blood.
		Using a small needle, the sample may be collected from the radial artery in the wrist, the femoral artery in the groin, or the brachial artery in the arm.
	www.umm.edu /ency/article/003855.htm (558 words)

	ABG Tutorial
		To Determine that collateral circulation is present from the ulnar artery in the event that thrombosis of the radial artery should occur.
		Because the blood is under considerable pressure in the arteries, blood is initially more apt to leak from an arterial puncture than from a venipuncture site.
		Sometimes it is difficult to distinguish between arterial and venous blood in patients with poor oxygen content.
	web.indstate.edu /mary/abgdemo.html (2158 words)

	Arterial blood gas - Ganfyd
		Although used as a noun, an arterial blood gas (ABG) refers to the sampling of blood from an artery with the aim of analysing the blood gas concentration.
		This is effectively the oxygen concentration, although the correct terminology is the partial pressure, which reflects the contribution of oxygen to overall gas pressure.
		Arteries in foot (rarely used, but can be useful for arterial cannulation)
	ganfyd.org /index.php?title=ABG (411 words)

	Phentermine (PIM 415)
		The diagnosis of acute amphetamine poisoning is made on the history of exposure or abuse, and the characteristic features of CNS and cardiovascular stimulation.
		A full blood count and coagulation studies can be helpful, with measurement of fibrinogen and of fibrin degradation products, in establishing a diagnosis of disseminated intravascular coagulation.
		Acute severe hypertension (diastolic blood pressure greater than 100 mmHg) can be controlled by infusion of sodium nitroprusside by continuous intravenous infusion at an initial rate of 3 mcg/kg/min, titrated to achieve the desired response.
	www.inchem.org /documents/pims/pharm/pim415.htm (4087 words)

	Arterial Blood Gases
		is a measurement of the acidity of the blood, reflecting the number of hydrogen ions present.
		CO2 is a measurement of all the CO2 in the blood.
		A small amount (5%) of the CO2 is dissolved in the blood, and in the form of soluble carbonic acid (H2CO3).
	www.spiderspun.net /abg.htm (684 words)

	Arterial Blood Gases - [Medical Test]
		An arterial blood gas (ABG) test measures the acidity (pH) and levels of oxygen and carbon dioxide in the blood.
		Arterial blood gases (at sea level and breathing room air)
		Lung diseases, such as chronic lung disease, a blood clot in the lungs, or pneumonia.
	www.peacehealth.org /kbase/topic/medtest/hw2343/results.htm (175 words)

	20CFR718.105 - Arterial blood-gas studies. (Site not responding. Last check: )
		If the results of the blood-gas test at rest do not satisfy the requirements of Appendix C to this part, an exercise blood-gas test shall be offered to the miner unless medically contraindicated.
		(e) In the case of a deceased miner, where no blood gas tests are in substantial compliance with paragraphs (a), (b), and (c), noncomplying tests may form the basis for a finding if, in the opinion of the adjudication officer, the only available tests demonstrate technically valid results.
		This provision shall not excuse compliance with the requirements in paragraph (d) for any blood gas study administered during a hospitalization which ends in the miner's death.
	www.dol.gov /dol/allcfr/ESA/Title_20/Part_718/20CFR718.105.htm (268 words)

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