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Lungenfunktionstest (Spirometrie)

Pulmonary function test (spirometry)

With the lung function test, the so-called spirometry, we measure your breathing volume with a special device, the spirometer. We evaluate your respiratory flow during inhalation and exhalation in order to draw conclusions about the condition of your respiratory tract and your lung capacity. In addition to Spirometry, we use other diagnostic instruments in Cardiopraxis to measure breathing: for example Spiromanometry and Spiroergometry.

How does a lung function test (spirometry) work for us?

The procedure for lung function test is simple. Dressed and in an upright sitting position, you breathe into a mouthpiece in various ways according to the doctor’s instructions, whereby your nose is closed with a clamp. Phases of quiet inhalation and exhalation alternate with phases in which you should inhale and exhale at maximum speed. In total, the Spirometry- examination lasts between 5 and 10 minutes. The results vary according to gender, age and body size – untrained people also usually have a smaller lung volume than active sports people.

When do we perform a lung function test (spirometry)?

We perform Spirometry for example in cases of suspected asthma, chronic obstructive pulmonary disease (COPD) or pulmonary scaffold disease. This may be the case if you suffer from shortness of breath or if your performance is generally limited. Depending on the result, we will then initiate further necessary measures.

Lung function tests are performed approximately 350 times a year in Cardiopraxis.

Respiratory pressure measurement (spiromanometry)

In breathing pressure measurement, the so-called spiromanometry, the patient inhales and exhales against a resistance. In this way we determine the strength of your respiratory muscles, which may be decisive for your complaints. In addition to Spiromanometry, in Cardiopraxis we also work with other methods that measure breath: for example Spirometry and Spiroergometry..

How does a breathing pressure measurement (spiromanometry) work with us?

Similar to the lung function test you blow into a mouthpiece sitting upright during the breath pressure measurement. However, you will experience a resistance so that you have to muscular strength. This procedure gives us important information: Your maximum inhalation force is a measure of the muscle strength of your diaphragm, your maximum exhalation force illustrates the strength of your abdominal muscles. For example, a weakened diaphragm can be an indication of a disease or “wrong breathing”. The entire examination takes a maximum of 10 minutes.

When do we perform a breath pressure measurement (spiromanometry)?

The Spiromanometry is performed by the doctor if your shortness of breath is to be clarified and a weakness of your respiratory muscles is suspected. This may be due to general muscle weakness, for example. Especially the diaphragm may be weakened if you breathe chronically through the mouth into the chest – instead of through the nose as recommended. Regular training can help with the correct breathing technique.

Around 170 times a year we measure breathing pressure in our two Cardiopraxis locations.


With Spiroergometry we record how your lungs and cardiovascular system work under stress. The doctor measures your cardiac activity by ECG and the concentration of oxygen and carbon dioxide in your breathing air. In this way we can detect functional disorders in a very differentiated way, determine known problems more precisely and develop your individual training plan from them.

How does spiroergometry work with us?

During Spiroergometry you sit on a special bicycle, the ergometer. You are connected to a stress ECG-device via electrodes attached to your free upper body. In addition, you wear a special breathing mask that covers your mouth and nose and is connected to a device. The resistance of the ergometer is continuously increased. The cardiologist measures the ECG curve, oxygen consumption, breathing depth and frequency in relation to this respective load and receives the results graphically displayed on a computer. The examination lasts a maximum of 20 minutes.

When do we start using spiroergometry?

With Spiroergometry we can detect and evaluate various diseases, for example heart failure. This often manifests itself in shortness of breath in stressful situations, which are simulated here. The Spiroergometry is also suitable to determine your training condition or your general fitness.

Every year our team of doctors carries out about 15 of these examinations.

Our services for you:

  • Grabenstr 17 · 40213 Düsseldorf

  • Mo Bis Do: 8:00 - 17:30 Uhr, Fr: 8:00 - 14:00 Uhr

  • Bus und Bahn:

    Haltestelle „Heinrich-Heine-Allee“
    U-Bahnen: U70, U71, U72, U73, U74, U75, U76, U77, U78, U79, U83
    Busse: SB 50, 780, 782, 785

  • Parkmöglichkeit

    Parkhaus Carsch-Haus (Adresse: Heinrich-Heine-Platz 1, Einfahrt über die Breite Straße)

  • Dorfstraße 32a · 40667 Meerbusch

  • Mo, Di, Do: 8:00 - 17:00 Uhr Mi, Fr: 8:00 – 13:00 Uhr

  • Bus und Bahn

    Haltestelle „Brühler Weg“ (direkt gegenüber der Praxis)
    Busse: 829, SB 51
    Haltestelle „Büderich, Kirche“ (ca. 6 Minuten Fußweg)
    Bus 830
    Haltestelle „Büderich, Landsknecht“ (ca. 12 Minuten Fußweg)
    U-Bahnen: U70, U74, U76

  • Parkmöglichkeit

    Parkplatz Dr.-Frantz-Schütz-Platz (Dorfstraße / Ecke Theodor-Hellmich-Straße)

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