Search
Search
峰值呼氣流量(英文:peak expiratory flow,PEF),也稱峰值呼氣流量測定(英文:peak expiratory flow rate, PEFR)是一個人的最大呼氣速度,用峰值流量計測量,一個 ...
介紹”尖端呼氣流量測速計(peak expiratory flow rate meter, PEFR meter) ” 的使用及〝氣喘日記〞的記錄。 氣喘兒童年紀5歲以上,在門診區有spirometry 來測量小孩的肺 ...
#3. Peak Flow Measurement | Johns Hopkins Medicine
Peak flow measurement is a quick test to measure air flowing out of the lungs. The measurement is also called the peak expiratory flow rate (PEFR) or the ...
#4. Peak Expiratory Flow Rate - Healthline
The peak expiratory flow rate (PEFR) test measures how fast a person can exhale. The PEFR test is also called peak flow. This test is commonly performed at ...
#5. What is peak expiratory flow rate (PEFR)? - Medscape
Peak expiratory flow rate (PEFR) is the maximum flow rate generated during a forceful exhalation, starting from full lung inflation.
#6. Peak expiratory flow rate (PEFR) measurement & explanation
Peak expiratory flow rate (PEFR) measurement often appears in OSCEs and involves a combination of both information giving (explaining the ...
#7. Measuring Your Peak Flow Rate | American Lung Association
A peak flow meter is a portable, inexpensive, hand-held device used to measure how air flows from your lungs in one fast blast. In other words, the meter ...
#8. Peak Expiratory Flow - an overview | ScienceDirect Topics
The peak expiratory flow (PEF) is the maximum flow obtained within the first 200 milliseconds of a forced expiratory maneuver after inhalation to total lung ...
#9. Normal Peak Expiratory Flow (PEF) - Activ8rlives
Peak Expiratory Flow (PEF), also called Peak Expiratory Flow Rate (PEFR) is a person's maximum speed of expiration, as measured with a peak flow meter like ...
#10. Peak Expiratory Flow Rate
However, other conditions such as Chronic Obstructive Pulmonary Disease (COPD) that cause airway obstruction can also affect PEFR. _flow. Page 3. Asthma is a ...
#11. Peak Flow Rate Measurement - StatPearls - NCBI Bookshelf
Peak expiratory flow measurement (peak flow) is a simple measure of the maximal flow rate that can be achieved during forceful expiration ...
#12. Peak expiratory flow monitoring in asthma - UpToDate
The peak expiratory flow (PEF, also known as a peak flow or peak flow rate) is the maximal rate that a person can exhale during a short ...
#13. Peak Expiratory Flow Rate (PEFR) Technique - Medistudents
Peak expiratory flow rate is the measurement of how much the patient can blow out of their lungs in one breath. It is a crude measurement and not as ...
#14. Peak flow test - NHS
Your peak flow score – also known as your peak expiratory flow (PEF) – will be displayed on the side of your peak flow meter. This is given in litres of air ...
#15. Peak flow meter: Uses, instructions, and results - Medical ...
A peak flow meter is a tool that measures the peak expiratory flow rate (PEFR). The PEFR is the amount of air a person can quickly force out ...
#16. Peak expiratory flow rate measurement | Health Navigator NZ
Videos and OSCE examination tips and guide for peak expiratory flow rate measurement. Asthma is common and learning to measure peak ...
#17. Peak Expiratory Flow Rate (PEFR) Measurement | Asthma
Peak expiratory flow rate (PEFR) measurement often appears in OSCEs and requires you to both explain and demonstrate the skill.
#18. The reference values of peak expiratory flow rate in Thailand ...
PEFR is the maximum flow rate generated during a forceful exhalation, dependent on the strength of the thoracoabdominal muscle. The process is done by having ...
#19. Peak expiratory flow rate
The peak expiratory flow rate measures how fast a person can breathe out (exhale) air. It is one of many tests that measures how well the lungs are working.
#20. How to use peak expiratory flow rate - ADC Education & Practice
1. What is peak expiratory flow rate (PEFR)? · The volume of air exhaled with maximum effort and speed after a full inspiration. · The maximum rate of flow in ...
#21. Peak expiratory flow rate | Journal Of Paramedic Practice
Peak expiratory flow rate (PEFR) is the volume of air forcefully expelled from the lungs in one quick exhalation. It is a reliable indicator ...
#22. Peak flow meter, universal range
The peak expiratory flow rate is the flow of air generated in the first 0.1 seconds of a forced expiration. It can be measured with a portable peak flow ...
#23. Peak expiratory flow rate as a surrogate ... - Dove Medical Press
Both percentages of predicted forced expiratory volume in 1 second (FEV1) and peak expiratory flow rate (PEFR) are widely used to estimate the ...
#24. What Does a Peak Expiratory Flow Rate Measure?
A peak expiratory flow rate (PEFR) is a simple test that measures a person's maximum speed of expiration/exhalation, usually for asthma.
#25. Comparison of Peak Expiratory Flow Rate Variability Between...
Peak expiratory flow rate (PEFR), a lung function parameter is a reliable indicator of variability in airway caliber. It follows a specific pattern of ...
#26. Peak, Expiratory flow rate nomogram in Libyan schoolchildren
The study aimed to develop a peak expiratory flow rate nomogram for Libyan children. Of 900 children randomly selected from four Tripoli primary schools, ...
#27. Evaluation of cough peak expiratory flow as a predictor of ...
PEFR reflects large airway flow and depends on the voluntary effort and muscular strength of the patient (Fig. 1). The PEFR has been ...
#28. factors affecting peak expiratory flow rate and derive predictive ...
BACKGROUND : Peak expiratory flow rate is a simple way of assess ing severity of obstructive and hyper reactive airway diseases.
#29. Peak-Flow-Rate-Chart.pdf - : Haag-Streit Diagnostics
Adapted by Clement Clarke for use with peak flow meters from Nunn & Gregg. BR Med j 1989:289; 1068-70. Peak Expiratory Flow Rate. Normal Values.
#30. Peak expiratory flow rate (PEFR): conclusion and ...
Pulmonary function tests are useful in evaluation of respiratory health of a person. Peak flow meter is the one of the simplest means of objectively ...
#31. Calculation of Predicted Peak Expiratory Flow in Children with ...
The peak expiratory flow (PEF) is defined as the maximum flow rate generated during a forced expiratory maneuver. It is effort dependent and insensitive to ...
#32. Estimated/Expected Peak Expiratory Flow (Peak Flow) - MDCalc
The Estimated/Expected Peak Expiratory Flow (Peak Flow) quantifies asthma exacerbation severity.
#33. Peak Expiratory Flow Rate (PEFR)-A Simple Ventilatory Lung ...
Mini-Wright peak flow meter is cheap, easily portable and reproducible device for PEFR even below the age 5 years. Different countries use their own nomogram or.
#34. Unexpectedly high peak expiratory flow rates in normal Greek ...
Peak expiratory flow rate (PEFR) and standing height (Ht) were measured in 522 healthy Greek children aged 7–16 years. The regression equation of PEF.
#35. Asthma: Peak Expiratory Flow and Personal Best
In a person who has poorly controlled asthma, it may vary more than 20%. Peak expiratory flow rates are compared with charts that list normal ...
#36. Use of Peak Expiratory Flow Rate Monitoring for the ...
PEFR monitoring may aid emergency physicians during their evaluation and management of a patient with an acute exacerbation of asthma. The use of PEFR ...
#37. Peak Expiratory Flow Rate - Family Practice Notebook
IV. Calculation: Estimated PEFR in Adult Males · PEFR = (((Height x5.48) +1.58) - (Age x 0.041)) x 60 · Where Height in meters or (inches x 0.0254) ...
#38. Peak expiratory flow rate and COPD exacerbation
In asthma patients, peak expiratory flow rate (PEFR) measurement has been promoted as a useful tool for assessing airway obstruction and titrating therapy. It ...
#39. Peak Flow Meter: Uses, Procedure, Results - Verywell Health
A peak flow meter is a portable device that measures your peak expiratory flow rate (PEFR)—that is, how quickly your lungs expel air during ...
#40. Peak Expiratory Flow Rate and 5-Year Mortality in an Elderly ...
The average peak flow rate was 315 liters/minute, and a measure of peak flow rate adjusted for age, sex, height, and weight was computed.
#41. Analysis of agreement between peak expiratory flow meters ...
Peak expiratory flow (PEF) is an instantaneous air stream, approximately 20% of the forced vital capacity, corresponding mainly to the bronchial airflow, being ...
#42. Comparison of Peak Expiratory Flow Rates (PEFR) between ...
Obesity has significant effects on respiratory function and reduces lung volume. Peak Expiratory Flow Rate (PEFR) demonstrates the calibre of the airways and is ...
#43. Measuring peak expiratory flow rate: what the nurse needs to ...
The peak expiratory flow rate is a pulmonary function test undertaken using a peak flow meter (Figure 1); it measures the maximum flow of air that a patient can ...
#44. Peak Expiratory Flow Rate Control Chart in Asthma Care
The home monitoring of peak expiratory flow rate (PEFR), although recommended in current asthma guidelines, remains seriously underutilized by both patients ...
#45. What Is a PEFR Test? - WebMD
A peak expiratory flow rate (PEFR) measures how effectively you exhale. Also called a peak flow meter, this handheld device helps you ...
#46. Peak Expiratory Flow Rate: Relationship to Risk Variables and ...
Peak Expiratory Flow Rate : Relationship to Risk Variables and Mortality. The Wisconsin Epidemiologic Study of Diabetic Retinopathy. Barbara E.K. Klein, ...
#47. Correlation of peak expiratory flow rate with age and ...
Background: Peak expiratory flow rate (PEFR) is of value in the identification of chronic bronchitis and for the assessment and follow-up of asthma.
#48. Peak expiratory flow rate and sarcopenia risk in older ... - PLOS
Sarcopenia was diagnosed based on handgrip strength, gait speed, and appendicular skeletal muscle mass measurements. Peak expiratory flow rates ...
#49. Peak flow meter - Mayo Clinic
Track the control of your asthma over time · You have asthma symptoms that wake you up at night. · Your peak flow rate is 80% to 100% of your ...
#50. Peak expiratory flow rate in Sri Lankan schoolchildren of ...
Normal values for lung function indices are not available for Sri Lankan children. Reference standards for peak expiratory flow rate (PEFR) in non-smoking Sri ...
#51. Peak Expiratory Flow Rate (PEFR) - National Kidney and ...
Peak Expiratory Flow Rate (PEFR). This is the fastest and easiest single-breath simple pulmonary function test available. The resulting flow rate is simply ...
#52. Peak Expiratory Flow - Healthgrades
Peak expiratory flow is a simple, painless test that measures the speed of exhalation and lung constriction. People with asthma routinely use peak ...
#53. Measuring peak expiratory flow rate | Basicmedical Key
Summary of Key Points for OSCEs Peak flow rate is measured using a simple peak flow meter that consists of a long cylindrical tube and a ...
#54. Asthma: Peak Expiratory Flow and Personal Best - CS Mott ...
In a person who has poorly controlled asthma, it may vary more than 20%. Peak expiratory flow rates are compared with charts that list normal values for sex, ...
#55. A comparative study of peak expiratory flow rate values
It has been recorded in the previous studies that the PEFR values given by various peak flow meters and spirometer varies, in laboratory calibration tests, the ...
#56. Peak expiratory flow rate in children - Indian Pediatrics - Editorial
Peak Expiratory Flow Rate (PEFR) is an important parameter in the management of bronchial asthma. Measurement of PEFR in bronchial asthma is similar to ...
#57. Peak Flow Meters, Oximeters, and Spirometers - Nationwide ...
The device measures air flowing out of the lungs, called peak expiratory flow rate (PEFR), as a child forcefully blows into the device.
#58. Peak Expiratory Flow Rate: A Useful Tool for Early Detection ...
Peak expiratory flow rate (PEFR) is an effort-dependent parameter, emerging from the large airways within about 100-120 msec of the start of forced ...
#59. Effect of peak expiratory flow data quantity on diagnostic ...
Serial peak expiratory flow records are recommended in the first-line investigation of suspected occupational asthma. ... Sensitivity was 81.8% for records of 4 ...
#60. Peak expiratory flow rate and sarcopenia risk in older ...
Sarcopenia was diagnosed based on handgrip strength, gait speed, and appendicular skeletal muscle mass measurements. Peak expiratory flow rates ...
#61. Peak flow test | British Lung Foundation
Peak expiratory flow (PEF) is measured in litres per minute. Normal adult peak flow scores range between around 400 and 700 litres per ...
#62. Peak expiratory flow rate | Journal of ... - MAG Online Library
PEFR is a simple, easy, and essential diagnostic measurement used to assess asthma severity (Booker, 2009; Talley and O'Connor, 2014; Thomas and ...
#63. Peak Flow Measurement - Health Encyclopedia - URMC
Peak flow measurement is a quick test to measure air flow out of the lungs. The measurement is also called the peak expiratory flow rate (PEFR) or the peak ...
#64. Variations of Peak Expiratory Flow Rate Associated with ...
Open Access. Variations of Peak Expiratory Flow Rate Associated with Various Factors Among Healthy Adults in a City Setting ...
#65. A study of diurnal variation in peak expiratory flow rates in ...
Peak expiratory flow rate is one of the pulmonary function tests that provide a quantifiable measure of lung function. It is relatively a simple ...
#66. breath
Peak expiratory flow rate (PEFR) · Normal values lie between 400-600 l/m. · In asthmatics values lie between 200-400 l/m (100 l/m in severe attacks).
#67. Standard Range Of Peak Expiratory Flow Rate Of Korean ...
For effective asthma treatment, we established a reference range for the peak expiratory flow rate (PEFR) in aged 4-18 year. METHODS: Mini Wright Peak Flow ...
#68. Variation of peak expiratory flow rate with body mass index in
Abstract. OBJECTIVE: The primary aim of our study was to assess the variation of PEFR with BMI in normal medical students of Karachi, ...
#69. peak expiratory flow rate | Encyclopedia.com
peak expiratory flow rate (PEFR) (peek eks-pir-ă-ter-i floh rayt) n. the maximum rate at which a person can forcibly expel air from the lungs at any time, ...
#70. Respiratory function as measured by peak expiratory flow rate ...
This diary study makes it possible to estimate the daily variation of pulmonary function measured as peak expiratory flow rate (PEFR) ...
#71. Peak Expiratory Flow Rates in Chronic Asthma - JAMA Network
All children, who were receiving cromolyn sodium prophylaxis, were tested at monthly intervals with the peak expiratory flow rate (PEFR) meter and at ...
#72. Peak expiratory flow rate and respiratory symptoms following ...
Peak expiratory flow rate (PEFR) of 350 rural women aged (20-70 years) in Edo State, Nigeria who actively used wood as a source of fuel for cooking was ...
#73. Measuring peak expiratory flow rate (for nursing assistant ...
Respiratory: Measuring peak expiratory flow rate (for nursing assistant training) Videos, Flashcards, High Yield Notes, & Practice Questions.
#74. Full article: Model for predicting peak expiratory flow rate of ...
The main aim of the study was to propose a model for predicting the peak expiratory flow rate (PEFR) of Nigerian workers in a cement factory ...
#75. Asthma: Peak Expiratory Flow and Personal Best - HealthLink ...
Peak expiratory flow (PEF) measures how much air you or your child can breathe out using the greatest effort. It is used in the monitoring and treatment of ...
#76. The Best Peak Expiratory Flow Is Flow-Limited and Effort ...
Peak expiratory flow (PEF) is the maximum flow that can be generated during a forced expiratory maneuver started from total lung capacity (TLC) ...
#77. Predicted peak expiratory flow: Differences across formulae in ...
recommend use of the Peak Expiratory Flow (PEF) in the assessment and ... Table 1Predicted Peak Expiratory Flow Rate Equations and Demographic Data from the ...
#78. Home Peak Expiratory Flow Rate Monitoring in Patients With ...
The PEFR is the peak or maximal rate of airflow measured during maximal exhalation. The PEFR is determined during routine spirometry or can be measured with use ...
#79. Study on peak expiratory flow rate and its influencing factors in ...
The Peak Expiratory Flow Rate (PEFR) is useful to screen and monitor the severity of asthma in children. Many studies have documented that age, height and ...
#80. Peak Expiratory Flow Rate Underestimates Severity of Airflow ...
Thirty-five consecutive asthma patients measured both FEV1 and PEFR at 0, Ihr, 1, 3, 5, 7 days of an emergency room admission using a spirometer and a Ferraris ...
#81. How the Discrepancy between Symptoms and Peak ...
BACKGROUND:Recent asthma guidelines recommend the assessment of severity levels based on the most severe symptoms and peak expiratory flow rate (PEFR).
#82. Peak Expiratory Flow Rate in Children with Multiple ...
The PEFR values clearly depicts that the children with multiple neurological disorder have decreased PEFR. Our findings confirm that the peak ...
#83. Elsevier – Clinical Skills Peak Expiratory Flow Measurement
Peak expiratory flow measurement is also known as peak flow or PEFR. PEFR is the maximal flow rate that a person can achieve during a short maximal ...
#84. Peak Flow Meters - Asthma Canada
A Peak Flow Meter estimates the Peak Expiratory Flow Rate, which is a measure of the fastest speed at which you can exhale the air from your lungs, ...
#85. Study of Peak Expiratory Flow Rate as the Assessment ... - DOAJ
PEFR of petrol pump workers and control was measured by using a Mini Wright peak flow meter which is a portable device for measuring ventilator functions.
#86. Reference values for peak expiratory flow in Indian adult ...
Keywords: Adult, asthma, clinical respiratory medicine, COPD, peak expiratory flow rate, peak flow meter, reference values, ...
#87. Peak flow chart - National Asthma Council Australia
Measurement of peak expiratory flow gives an idea of how narrow or obstructed a person's airways are by measuring the maximum (or peak) rate at which they ...
#88. peak expiratory flow rate - PEFR protocol 090801 - LOINC
A patient is instructed to inhale deeply and blow into a peak expiratory flow monitor three times. Peak Expiratory Flow Rate (PEFR) can be measured as part ...
#89. Variability of Peak Expiratory Flow Rate as a Prognostic Index ...
The prognostic relevance of an enhanced variability of peak expiratory flow rate (PEFR) throughout the day was evaluated in asthmatics in ...
#90. Correlation of peak expiratory flow rate and single breath ...
Thus simple alternative tests like Peak Expiratory Flow Rate (PEFR) and Single Breath Count (SBC) can be used to assess the pulmonary functioning of an ...
#91. Clinical Review of Peak Expiratory Flow Rate in Different ...
Peak expiratory flow rate especially pertaining to ventilation in pregnancy is a simple non-invasive portable method of assessment of lung ...
#92. Estimated Peak Expiratory Flow - Omni Calculator
What is peak expiratory flow ratio - PEFR? Why and when we measure peak expiratory flow? How to use a peak flow ...
#93. Peak expiratory flow rate in a sample of normal Saudi males at ...
Keywords: Peak expiratory flow rate, Bronchial asthma, Saudi Arabia. How to cite this article: Al-Taweel AA, Kalantan KA, Ghani HA. Peak ...
#94. A Study of Correlation of Peak Expiratory Flow Rate with Body ...
PEFR is measured to detect the cardiorespiratory efficiency of an individual and it is also affected by BMI of an individual. By taking ...
#95. Spirometry vs Peak expiratory flow rate - SlideShare
Peak Expiratory Flow Rate Pulmonary Function Tests; 2. What is Spirometry? • Is the most important diagnostic test for COPD & asthma.
#96. appendix d reference and predictive values for peak ...
Lung function is related to physical characteristics such as age and height. In order to assess the Peak. Expiratory Flow Rate (PEFR) measurement it is ...
#97. Airway resistance and peak expiratory flow-rate in smokers ...
AIRWAY RESISTANCE AND PEAK EXPIRATORY FLOW-RATE IN SMOKERS AND NON-SMOKERS · N. Zamel, M.D. Porto Alegre. N. Zamel · HassanHosny Youssef, M.B. Cairo, M.R.C.P.E., ...
peak expiratory flow rate 在 Peak expiratory flow rate (PEFR) measurement & explanation 的推薦與評價
Peak expiratory flow rate (PEFR) measurement often appears in OSCEs and involves a combination of both information giving (explaining the ... ... <看更多>