Purpose of venous blood gas
[DOCX File]Quia
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The VTG is the gas contained in the thorax whether in communication with the patient’s airways or trapped in any compartment of the thorax. It is measured at end expiratory level and represents the FRC.
[DOC File]BLOOD - Indiana State University
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Arterial Puncture (Blood Gas) REFERENCES. 3. Top of Form. PURPOSE. To define the professional nurse’s role in performing arterial punctures. To obtain an adequate supply of arterial blood for blood gas analysis and to obtain routine laboratory tests when venous and capillary sampling are not suitable or obtainable. POLICY STATEMENTS
Key Points_Pulm 1 - Ohio University
List the errors that can occur during blood-gas analysis and the effect on blood-gas results. State the purpose of CO-oximetry and the parameters it provides. Describe the technique of photospectrometry used in a CO-oximeter to determine oxygen saturation and dyshemoglobins.
[DOC File]TEST
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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.
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Venous Blood Flow. Slow velocity. Venous valves prevent backflow of venous blood. Assistance from respiration and skeletal muscle contraction. MAINTAINING BLOOD PRESSURE - Mean arterial blood pressure (MAP) has to be maintained in a normal range to secure blood supply to the two most important (central) organs, brain and heart.
[DOC File]MODULE D – PULMONARY FUNCTION MEASUREMENTS
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The CO2 produced by metabolizing cells is at a concentration or partial pressure of 45 mmHg (PCO2 = 45); because arterial blood entering capillary beds has a PCO2 of 40, CO2 diffuses down its pressure gradient from the cells into the blood of the tissue capillaries; thus blood leaving the venous side of capillary beds has a PCO2 of 45 mmHg; it ...
[DOC File]St Peter's Hospital
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18. Enter on the Blood Gas Requisition: a. Date and time drawn. b. Therapist’s initials or last name which drew sample. c. Pertinent vent settings. d. Type of specimen - venous, arterial, etc. e. Patient’s temperature if less than 97ºº or greater than 101ºF. 19.
UpToDate
Replaces: Arterial Puncture Procedure (Blood Gas), 5/12 Title: Arterial Puncture Procedure (Blood Gas) Page 2 of 5 Effective Date: June 5, 2014
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