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Pulmonary scintigraphy

A pulmonary scintigraphy is a nuclear medical examination with which the blood circulation and ventilation conditions of the lung can be detected. Thereto, a small amount of a low-radiation marker substance is administered. It accumulates in the lung and emits radiation. The radiation is recorded as a picture (scintigram) with a gamma camera.

Pulmonary embolism is one of the most frequent reasons for pulmonary scintigraphy. With this examination, even the smallest pulmonary embolism can be detected. If blood clots occlude pulmonary vessels, life-threatening embolisms occur.

Pulmonary scintigraphy may also be necessary prior to planned pulmonary operations (e.g., lung cancer) to estimate the postoperative remaining pulmonary function. This examination can also be used to calculate pathological changes in blood circulation, diseases of the cardio-pulmonary circulation or in congenital pulmonary malformations.

Figure: front view (RVL) and back view (LDR) from the lung – a pulmonary embolism is not existent and the blood supply is normal

Examination procedure

First, a small amount of a weakly radioactive substance is injected and shortly after it accumulates in the lungs.

The substances used are very well tolerated; allergic reactions are not known. The radiation load is low and quickly degraded.

Then images are recorded from the lung for approximately thirty minutes with a gamma camera.

The examination takes approximately one to two hours.

Preparation before and after the examination

A special preparation is not necessary. You do not need to be sober and can take your medication as usual.

We will send the examination results to your treating physician as soon as possible. The doctor will then contact you to discuss the results and any possible therapy.

If you have further questions, do not hesitate to contact us!