Doctor insights on:
Does Getting An Arterial Blood Gas Hurt Much
A bit: Arteries are more muscular than veins and have a higher pressure inside. The arterial stick is not much different than a venous blood draw but it has to be held with pressure plus have a pressure dressing afterward. ...Read more
Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more
I had an arterial blood gas drawn today and now my wrist is really swollen. It only hurts a little. Is this normal or cause for concern?
Its difficult to tell without seeing you, the main concern is that blood leaks enough to cause compression on the nerved and blood supply to the hand.
the important things to look at in the speed of progress of the swelling, or development of pain, pain on passive stretch of muscles in the hand.
I suggest urgent medical review ...Read more
I am not sure what context you are asking about. The questions is very ambiguous. What specifically prompts this question?
But, blood gases tell the medical team how well the oxygen and carbon dioxide balance is being maintained in the body. It can tell how the fragile balance of being acidic or basic is in a sick person. It is used in many instances in the hospital with very ill patients. ...Read more
Difficult: Interpreting blood gas results requires a thorough knowledge of respiratory physiology, metabolic alterations, changes due to body making compensation for the abnormalities and effect of various interventions. Arterial blood gas results is not something to be interpreted by a lay person. ...Read more
Mearsurment: THe sampling of blood from an artery gives the tester a clue as to how much oxygen your cells are carrying, the level of Co2 to see if respiration and acid base balance is in check. ABG is often performed during asthma to see the pulmonary status and whn one is on a ventilatr to breathe. It can ensure the ventilator is producing enough ventialtion ...Read more
Blood oxygen test.: An abg is a test that measures the oxygen tension, carbon dioxide, and acidity (ph) of blood taken from an artery. It is used to determine how well the blood is being oxygenated and how well gas exchange is occuring. This information is vital when caring for patients with critical illness or respiratory disease. ...Read more
Yes: As the name implies, an arterial blood gas is when they check your gas levels (oxygen and carbon dioxide) from the blood in your arteries. Therefore, you must be stuck with a needle in your artery (usually the radial artery for an adult). The only time you wouldn't be stuck for it is if you already have a special IV line (arterial line) in place - but then you're most likely in the icu. ...Read more
To avoid ischemia: Allen test is done to ensure that dual arterial blood supply to the hand is intact. If both and radial and ulner arteries are not intact and if the remaining artery is damaged it could disable the hand, therefore allen test is essential to ensure adequate blood supply to the hand in case of injury to the artery from which blood may be drawn. ...Read more
See below: Here are the "ideal" values. However, it all depends on the situation and the relationships between the numbers (i.e. Is the body compensating appropriately for the situation). Ph: 7.35-7.45, po2 80-120, pco2 38-42, hco3 22-28. ...Read more
Breath rate increase: O2 deprivation will typically cause people to breath faster. Abg measures levels of oxygen, carbon dioxide and blood ph. Faster breathing causes a drop in co2 which then causes the blood to have an increase in ph (towards basic, not acidic). Over time, the body would compensate for this ph change via acid retention by the kidney and although the co2 would remain low, the ph would approach normal. ...Read more
Measure CO level: An arterial blood gas measures the blood pH (normal 7.40), po2 (partial pressure of oxygen), pco2, partial pressure of co2 and the bicarbonate (sodium bicarbonate) level is calculated. Smoking increases carboxyhemoglobin level with carbon monoxide binding to the hemoglobin displacing oxygen. The po2 is unaffected by carbon monoxide but the hemoglobin delivers carbon monoxide (a poison) to tissues instead of oxygen. ...Read more
Difficult delivery: These tests are used to help predict how difficult the delivery was for the baby. Any difficult delivery will often have cord gases taken; if baby is showing signs of distress, then an arterial blood gas from baby may be taken as well. ...Read more
Less O2 delivery: High o2 affinity HGB (leftward shift in o2 saturation curve) means it requires a higher partial pressure of o2 to achieve the same o2 saturation. The HGB is more tightly bound to o2 and less is delivered to the tissues. More o2 will be necessary to adequately deliver oxygen to the tissues. ...Read more
Several: Reasons to check abg. These include checking for oxygen levels to make sure individual has adequate level of oxygen. Co2 levels are checked to rule out co2 retention as that can occur in patients with chronic obstructive pulmonary disease. Also ph levels are checked in abg to make sure that body metabolism is functioning properly. ...Read more
In theory it can happen but 90.99% it does not happen. Unless there is accidental injection of air into the blood vessel
Arterial blood gas showed my pO2 was HIGH at 103. How is this possible? I'm not on oxygen therapy or anything like that. I was breathing normally.
High PO2 level: It is important to know the rest of the blood gas test results. PH? pCO2? Bicarbonate? Your doctor can put it all in perspective for you. What was the O2 sat? If low, it might point to a methemoglobinemia, perhaps from some meds you take. Best to discuss the entire blood gas study with your provider. Normal PO2 shouldn't be above 102.. ...Read more
I had an arterial blood gas sample about 9 days ago. I still have a large bruise on my wrist over the artery where the sample was collected. Normal?
Next time some else: The next you need to get blood drawn have a different phlebotomist draw it and after it is drawn and you are given a cotton pad to hold over the insertion site hold it there FIRMLY for 10 minutes! Good luck. This is a bloody business you know! ...Read more
Arterial blood gas results: PH- 7.431, pCO2- 40.1, HCO3- 26.1, BE- 1.7. Are these normal or elevated? Could this cause Ventricular tachycardia?
Normal blood gas ABG: The result you've provided so far seem within the reference range for most blood gas machines - so, "average". One result you didn't list is the pO2, which is a measure of the oxygen content of arterial blood. A low pO2 can cause ventricular tachycardia (VT); however, I suspect the ABG was used as part of a wider panel of tests to help determine cause of VT. Talk to the doctor who ordered the test ...Read more
Blood gas: An arterial blood gas can give information about metabolic status of patients, such as acidosis (low blood ph) or alkalosis (elevated ph), the oxygen saturation of hemoglobin, carbon dioxide concetration in the blood, these parameters in the blood gas can be affected by infection, kidney problems, diabetes, etc..., can give an idea why patient may be breathing too fast (hyperventilation). ...Read more
Hard to say: The fetus has low oxygen levels compared to the rest of us for the duration of the pregnancy. Any lab value must be put in context with what is happening. How low, for how long and with what other abnormalities provides a better predictive value. For some premi's, they try to keep it in a lower zone to help prevent eye damage caused by too high oxygen levels while the eyes are developing. ...Read more
What are arterial blood gases? My doctor said he doesn't like the look of my arterial blood gases. What are these and what could that mean?
2 weeks ago my blood pH level was -11 the doc tried to take arterial blood gases but couldn't. He was confused by -11 pH level. What could cause it?
PH: PH range runs only from 0 (very acidic) to 14 (very basic/alkali). The body's normal pH is right around 7.35ish. I am confused by the -11 reading as well as there is no such possibility to have that as a result. Maybe it was a result of equipment malfunction, or an error message by the computer ...Read more
I have generalized t/c seizures and am having trouble breathing. Should I request a arterial blood gases test from my doctor?
Trouble breathing: You should probably call your doctor as soon as possible if you are having trouble breathing, or go to the ER. Arterial blood gases may or may not be indicated after you have been evaluated. ...Read more
Whay you measure: When you take your BP either at home or in one of those automated pharmacy units it is measuring the systolic (heart contracting and arteries) as well as diastolic in the arterial system not in your veins but your arteries. The vessels that carry blood from the heart to the body ...Read more
What does it mean when my arterial blood gasses are floo2 21.00, pH 7.43, pco2 35.0, po2 85.0, hco3 23.0, be-0, 4, hb0295.0, hbco1, 7, ca02 vol16.70, aa020.
Basically normal.: The concern would be if the abg was drawn while you are breathing very hard - that means you have to work extra hard to achieve normal ventilation. ...Read more
See Below: Venous blood pressure is in the venous system and usually should not exceed 5-8 mmhg. The venous system takes de-oxygneated blood back to the heart. Arterial blood pressure is in the arteries, ie taking oxygen to the body, and is usually more than 70 mmhg for the diastolic and 130mmhg for the systolic. ...Read more
Capillaries are situated between the arteries and veins and capillary blood does have characteristics half between the arterial and venous blood.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more
Depends on situation: Normally the Sphygmomanometer is used to take a blood pressure, which may or may not use a stethoscope. It is accurate, as long as there is no blockage and there is no condition to cause the arteries to narrow. Arterial monitoring using a catheter is certainly more accurate, but also subject to the same limitations of artifact, but is used in conditions with critically ill patients. ...Read more
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