All About Arterial Blood Gases

May 9th, 2015
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12-page paper on Arterial Blood Gases. Works-cited included, but, may need to enter in-text citations yourself. May need very little grammatical editing. Worth every penny!

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All About ABGsAlana M. Timmons02/23/2015Arterial blood gases are defined as the measurement of carbon dioxide and oxygen in the blood. ABGs are used to measure the rate at which these gases are exchanged in the blood. The values for ABGs are as follows:pH 7.45-7.45 (acidity or alkalinity of blood)PaO2 75-100 mm Hg (the rate at which oxygen is being vented)O2 saturation 95%-100% (the percentage of oxygen that is actually perfusing through arteries. This is checked with a pulse oximetry meter.)PaCO2 is 35-45 mm Hg (the amount of carbon-dioxide within the blood)HCO-3 (the amount of bicarbonate ion within the body)To first explain how these values are coherent, one must understand the whole purpose of ABGs. The main purpose of ABGs are to rate gas-exchange between oxygen and carbon-dioxide. Oxygen and carbon-dioxide are exchanged in the lungs by the alveoli. If the alveoli are impaired (which would most likely have a Nursing Diagnosis of Impaired Gas Exchange), then, the rate at which the exchange of oxygen and carbon dioxide with impaired. If gas-exchange is impaired, the body can not maintain homeostasis and will use other mechanisms to compensate for what it is lacking. There are four states in which the body can be in due to Impaired Gas Exchange:Respiratory Alkalosis (pH is basic, carbon-dioxide is below 35)Respiratory Acidosis (pH is acidic, carbon dioxide is above 45)Metabolic Acidosis (pH is acidic, bicarbonate ions are above 26)Metabolic Alkalosis

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