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[DOC File]Topic 16: Circulation and Gas Exchange (Ch. 42)
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Topic 16: Circulation and Gas Exchange - Circulatory and Respiratory Systems (Ch. 42) ... blood pressure greatly reduced in venous system - possibility for retrograde (back) flow. valves - present in ascending veins to halt retrograde flow ... negative pressure in chest due to increasing volume of lungs to draw air into lungs.
collection venous draw

[DOCX File]Quia
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10.Venous reflux occurs when using an EDTA evacuated tube. Venous reflux could cause the patient to have an adverse reaction to the tube additive. 11.The vacuum tube is removed before it has filled to the exhaustion of the vacuum. This causes a rush of air to enter the tube, damaging red blood cells.
venous blood gas how to collect

[DOC File]Anatomy of the circulatory system
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P gas = P atm x % of gas . State the approx. pressures of N2, O2, CO2, and water in atmospheric air (Table 17-2). List the normal alveolar, arterial, and mixed venous blood gas values for PO2, PCO2, SaO2, and pH and describe the mechanisms accounting for these values. Draw a normal spirogram labeling the four lung volumes and four capacities.
venous blood draw techniques

[DOC File]DCD EISOR Standard of Practice
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An arterial blood gas and lactic acid level will be obtained at the following times: just prior to withdrawal of treatment, and . just prior to initiating EISOR, and. every thirty minutes after the initiation of EISOR. The last blood draw will be obtained just before cessation of EISOR. Urine output will also be measured every 30 minutes during ...
drawing mixed venous blood gas

[DOC File]Inhalational Anesthetics
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3. The mixed venous anesthetic concentration: a. The higher the mixed venous concentration, the slower the anesthetic uptake. b. Initially 0. c. At equilibrium, the venous partial pressure = arterial partial pressure = alveolar partial pressure (e.g. uptake = 0). d. The uptake from the lung, in liters of gas/minute: 1 e.
venous gas vs arterial gas

[DOC File]sharps_long_form
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Blood Gas Syringe. Central Line Catheter Needle (cardiac, etc.) Disposable Syringe. Insulin. 20-gauge needle. ... Draw Arterial Blood Sample…if used to draw blood was it direct stick or drawn from a line. Draw Venous Blood Sample. Drilling. Electrocautery. Finger Stick/Heel Stick.
blood gas venous test

[DOC File]Arterial Blood Gases:
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Dec 04, 2007 · The venous pCO2 is 5.7 mm Hg higher than arterial. For practical purposes, call it 6 mm Hg. Normal arterial pCO2 is 40 (same as the venous pO2 remember?), so normal venous pCO2 is 46. Simple, really. Normal pH for an arterial blood gas is 7.35-7.45, and normal for a venous gas is just a little more acidotic, as you’d expect: 7.32-7.42. So the ...
mixed venous gas

[DOC File]I
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B. CAPILLARY BLOOD GAS. Perform a capillary puncture according to the Specimen Collection by Skin Puncture procedure (#3632). The site must be properly warmed prior to puncture. This increases arterial blood flow to the site up to sevenfold reducing the difference between the arterial and venous gas …
blood draw venous

[DOCX File]Word: Blood Sampling From Central Venous Lines: Syringe …
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Standards and procedure for blood sampling using the syringe method from central venous lines (CVL) including long term and short-term; cuffed/uncuffed external central venous catheters (CVCs), peripherally inserted central catheters and, implanted ports.
collection venous draw

[DOC File]BLOOD
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Gas flows is directed by pressure gradient. Air is a mixture of gases, each of which contributes a share of the total atmospheric pressure called its partial pressure. (p. 814, Table 22.3) The partial pressure of a gas determines the rate of its diffusion, and therefore strongly affects the rate of gas exchange between the blood and alveolar air.
venous blood gas how to collect

How to draw venous gas