VE is the amount of ventilation that maintains normal gas exchange at rest, equal to tidal volume x respiratory rate per minute. Requirements for inspection: Eliminate tension and cooperate with doctors to avoid affecting the results. Patients with asthma should seek medical advice before examination.

Basic Information

Specialist classification: Respiratory examination classification: pulmonary function test

Applicable gender: whether men and women apply fasting: not fasting

Tips: Eliminate tension and cooperate with doctors to avoid affecting the results. Normal value

1, male 6.463 + 0.2L;

2, female 4.217 + 0.16L.

Clinical significance

Abnormal results:

Below 3 liters indicates insufficient ventilation and above 10 liters is hyperventilation. It should be noted that this value is not normal and the breathing function is normal.

Need to check the crowd:

People who have difficulty breathing and have symptoms of hypoxia.

Low results may be diseases: atelectasis, respiratory failure, chronic respiratory failure precautions

Requirements for inspection:

Eliminate tension and cooperate with doctors to avoid affecting the results.

Preparation before inspection:

Inform the doctor about the history of the medicine and the medical history.

Not suitable for people:

Patients with asthma should seek medical advice before examination.

Inspection process

One breath and one breath, calculate the number of breaths for 1 minute. When checking your breathing, make the patient feel natural and not talk to the patient. And pay attention to whether there are other abnormal conditions in the breath.

Not suitable for the crowd

Not suitable for people:

Patients with asthma should seek medical advice before examination.

Adverse reactions and risks

Generally no complications and harm.