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Doctor insights on: Spirometer Calibration

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Is satisfactory blood glucose meter readings good?

Is satisfactory blood glucose meter readings good?

Yes: A good quality glucometer may not be as accurate and a true blood test but it is a great and very precise mode of checking you sugar on a daily basis ...Read more

Dr. Herman Hammerstead
1 doctor shared a insight

Spirometry (Definition)

A spirometry is a measurement of velocity (speed) of air coming in & out of the lungs which equals the diameter of the airways. This an indirect measument of the lung function diffeent patterns are posible & direct us as specialist to diagnosed ...Read more


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Are finger oxygen meters accurate?

Are finger oxygen meters accurate?

Fairly accurate: They are fairly accurate for most people for most purposes. Not all finger oxygen saturation meters are the same. They don't all come from the same manufacturer. Oxygen saturation meters that are "medical grade" probably can claim a higher degree of accuracy, but in real life situations, it isn't clear what that would mean. ...Read more

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How is blood pressure measured well using a home digital sphygmomanometer?

How is blood pressure measured well using a home digital sphygmomanometer?

See below: Digital ones are quite accurate, but must be compared to ones in your physicians office to be verified. Instructions are simple to follow.Make sure you are getting the right size cuff, the length of the BP cuff bladder should be 80 percent, and the width at least 40 percent (and some use 46 percent), of the circumference of the upper arm. They are labelled small adult, adult and large adult. ...Read more

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Portable hemoglobinometer (hemoglobin home testing device/kit), how to use this?

Manual for the kit: The device should have come with a user's manual and it would be prudent to consult that information. ...Read more

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Normal oxygen saturation level on pulse oximeter?

Normal oxygen saturation level on pulse oximeter?

Normal for what?: At sea level at rest in a healthy person, between 95-99%, depending on the instrument. ...Read more

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Could you use glucose blood meters?

Could you use glucose blood meters?

Of course!: Hi. Yes, I could and I do! I've had type 1 diabetes for 40 years, and glucose meters became widely available a few years after I was diagnosed. But why on earth would you come on this site to ask if I could use a blood glucose meter??? I guess I don't really see the point of your question, because I'm SURE you don't care what I do for MY diabetes! Peace & good health! ...Read more

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Spirometry results essentially normal spirometry. Hyperinflation questionable the single breath diffusing capacity is moderately impaired. COPD?

Spirometry results essentially normal spirometry. Hyperinflation questionable   the single breath diffusing capacity is moderately impaired. COPD?

Possible: A reduced DLCO/Va points to damage or scarring in the lung tissue and emphysema (especially if you have been a smoker) or other interstitial lung diseases may be the cause. The normal lung function however is not compatible with COPD but then I don't understand what you meant by hyperinflation in the presence of normal lung function test. See a pulmonologist. ...Read more

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How should you measure systolic blood pressure?

How should you measure systolic blood pressure?

First sound : The best way to meausre BP is to use a manual BP cuff. The systolic BP is the first sound heard via a stethescope as you slowly release pressure on the occluded vessel. ...Read more

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Are blood glucose monitors accurate?

Are blood glucose monitors accurate?

If they work: To be considered accurate, a blood glucose monitor may be up to 15-18% off when compared to a lab glucose done at the same time. ...Read more

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How do home use hemoglobin test meters work?

How do home use hemoglobin test meters work?

Hemoglobin analyzer: If you one of those machine it work almost like the blood sugar test for diabetes. ...Read more

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In terms of BP measurement accuracy/reliability, how do wrist BP cuffs compare to the traditional arm cuff @ the Dr's office?

In terms of BP measurement accuracy/reliability, how do wrist BP cuffs compare to the traditional arm cuff @ the Dr's office?

As accurate or bette: There is something called white coat hypertension wherein a patient's B/P goes up when in the doc's office because of anxiety. The home measuring devices are accurate and when set up will record a number of readings which can be downloaded to your computer and then printed out and brought to your doc to discuss how you're doing. ...Read more

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How do glucose meters work?

By concentration.: These work by taking a sample of blood (0.3-1ul), and spread on a test strip containing chemicals that react with the glucose in the blood (glucose oxidase or glucose dehydrogenase). After about 3 seconds, the value is displayed in mg/dl or mmol/l. There are many models with many features, llike a clock and memory. ...Read more

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Normal peak flow meter test, normal CT of lung, normal chest xray , normal echo, normal pulse ox / blood pressure can this rule out interstitial lung d?

Normal peak flow meter test, normal CT of lung, normal chest xray , normal echo, normal pulse ox / blood pressure can this rule out interstitial lung d?

Most likely: The results suggest that you dont have significant cardiopulmonary illness. However if your symptoms persist your doctor should consider other causes including non physical. ...Read more

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Portable machine check for high cholesterol at home?

Portable machine check for high cholesterol at home?

Avoid wrist machines: Most home BP monitoring machines are good and usually fairly inexpensive, <$50. The ones that work on the upper arm are a bit more accurate than the wrist machines. Also, check your BP in both arms, there may be a significant difference. If more than 10 mmhg, you should get that checked out by a cardiologist. If not, use the arm with the higher of the two measurements. Check it at random times. ...Read more

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Spirometer (Definition)

This device measures a person's ability to breathe in and out -- how much air, how quickly, for how long, how much air is left behind, etc. This provides some information for diagnosis and determining severity of ...Read more