What does EFR stand for?

Expiratory Flow Rate (pulmonary function testing)

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

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Samples in periodicals archive:

In a large metaanalysis of double-blind, placebo-controlled clinical trials of nedocromil sodium, the drug demonstrated a significant effect compared with placebo on outcome variables of daytime and nighttime asthma symptoms, cough, peak expiratory flow rate, FEV1, inhaled bronchodilator use, and patient report of control.

Clinical application of nonsteroidal agents

He also mentioned about the Peak Expiratory flow rate (PEFR) which is used to measure the lung funtions and said it should be monitored on regular basis.

IMA lists guidelines for schools, parents for asthmatic children

The expiratory flow rate recorded immediately prior to each occlusion was used in the calculation of expiratory resistance (see below).

Effects of the menstrual cycle on expiratory resistance during whole ...

In the recent collaboration with the Koto Hospital in Tokyo, the company has confirmed that a long-time ingestion (at least 6 months) of tomato juice helps alleviate the subjective symptoms of BA while improving the peak expiratory flow rate, an index of BA.

Kagome Confirms that Tomato Juice Helps Alleviate Bronchial Asthma

Please see "Peak Expiratory Flow Rate as Predictor of Inpatient Mortality in Patients with Chronic Obstructive Pulmonary Disease" on page 266 of this issue.

In-hospital death in patients with chronic obstructive pulmonary ...

The diagnostic tests are as follows: for chest pain, at least two sets of cardiac enzymes and two sequential electrocardiograms; for asthma, a peak expiratory flow rate (PEFR) (CPT code 94010) and nebulizer treatments; for congestive heart failure, a chest X-ray, an electrocardiogram, and pulse oximetry.

Excerpt: Proposed Rule - Medicare Program; Changes to the Hospital ...

Peak expiratory flow rates were significantly improved at 20 weeks.

Allergic Asthma with Monoclonal Anti-IgE Antibody

In the past, peak flow meters told patients "how they were doing" (by measuring peak expiratory flow rate (PEFR).

Peak flow meter