#fev1

[pandapandect]

It's not much but I made some progress and it's really all thanks to this vest. I want to get back in the 80 but we will have to wait and see at the end of June..

[oaresearchpaper]

This study was done to find out the causes of asthma in population of Lahore, Pakistan. Total of 2003 subjects from 9 administrative towns of Lahore, Pakistan were divided into 3 groups; G1 (normal), G2 (asthmatics with obstruction) and G3 (asthmatics with restriction) for spirometry over 1-year period (July, 2018-2019) at Jinnah hospital, Lahore using (Spirolab, IPX1FCC ID: TUK-MIR045 Roma-Italy). From 2003 subjects, 400 were randomly selected for questionnaire study consisting normal (n=200) and asthmatics (n=200). There were 60% records from male patients and 40% from female patients between the age limit of 07-104 years. Questionnaire depicted that more than 90% asthmatic subjects feel wheezy; 50% people did not have heredity asthma but had attached kitchen and bath; 60% people had complicated life style and joint family system; have pets, cockroaches, carpets and molds; more than 60% subjects use gas stove in their indoor. Data was analyzed using x2 tests for questionnaire and Pearson’s correlation coefficient (r) using SPSS (v.22). FVC and FEV1 < 80% of value and FEV1/FVC ratio < 70% were considered asthmatic. There was positive correlation between age (p

[drpedi07]

Risk Score for Asthma Exacerbation (RSE) Calculator

The Risk Score for Asthma Exacerbation (RSE) predicts likelihood of asthma exacerbation within 6 months.

[drpedi07]

FEV1 Predicted values Calculator

Your FEV1 result can be used to determine how severe your COPD is. Learn more about how to interpret your FEV1 reading.

[pediadoc7-blog]

FEV1 Predicted values Calculator

Your FEV1 result can be used to determine how severe your COPD is. Learn more about how to interpret your FEV1 reading. In general, your predicted percentages for FVC and FEV1 should be above 80% and your FEV1/FVC Ratio percentage should be above 70% to be considered normal. To determine FEV1 Predicted values Check our Medical Calculator https://www.pediatriconcall.com/calculators/fev1-predicted-values

[tekmodetech]

What is the link between FEV1 and COPD? FEV1 is a measurement used in the diagnosis of lung diseases. Here, we look at its role in the diagnosis, staging, and management of COPD. Source link

[tekmodetech]

Weekly self-measurement of FEV1 and PEF and its impact on ACQ (asthma control questionnaire)-scores: 12-week observational study with 76 patients

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Main findings

In this study the majority of participants managed well to carry out FEV1-self-measurements together with the ACQ weekly at home over a period of 12 weeks. Summary scores of all four versions of the ACQ improved over time, showing very high correlation. Similar development was seen if classifying patients in control groups, but ACQ5 and ACQ6 classifying higher percentages…

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[ischemgeek]

Study objectives: To evaluate the correlation between FEV1 and peak expiratory flow (PEF) values expressed as a percentage of their predicted value, and to assess factors influencing differences between the two measurements.Design: Cross-sectional.Setting: Pulmonary function laboratory at a...

I am a massive nerd.

I've noticed for months that my FEV1% and PEF% don't correlate well - that, as is the case this morning, I can sometimes have times where my FEV1% is sitting around 67% of my best while my PEF is sitting around 78% (after effect of the smoking cab driver I complained about yesterday). Well I got curious today and decided to search out why. Apparently the answer to that is "Nobody's completely sure, it's still under study, but probably has something to do with most of your airway obstruction being in the peripheral airways rather than the large airways" which is something my pulmonologist has commented on before (it’s why I got a meter that can measure FEV1 in the first place - because I had a few times in his office when my PF was well into the green but I was hacking up a lung and audibly wheezing and he told me I’m likely one of those patients for whom PEF is of marginal help). But - here's the thing: it's not an uncommon thing at all - especially among people of my general demographic (people with uteruses between 25 and 45 of average height), over 3/4ths of whom will have a >5% difference between the two measurements - and nearly half of whom will have a >10% variation on a given day. 

Also discovered during this morning's cursory literature search: FEV1 is the preferred method as it better reflects airway obstruction in the peripheral airways, which also jives with what I've observed and gives me confidence that I'm not being irresponsible in deciding over the past few months that I have greater confidence in the FEV1 number my meter gives me being a more-accurate reflection of what my lungs are doing since FEV1 seemed to correlate better with how I was feeling - and more importantly the trend in my flare ups.

And apparently my PB FEV1 follows the trend of my PEF by being roughly 150% the norm for someone my age and height. Truly I have horse lungs when they're not clamping up and trying to kill me because someone lit up a cigarette near me.

Why, yes, I did just engage in a literature search to answer my curiosity about why my pulmonary function was acting weird. See above about "massive nerd."