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JPG means that this data set is transmitted compressed (according to the consensus conference). See also Loose et al: Compression of digital images in radiology - results of a consensus conference. Rofo. 2009 Jan;181(1):32-7. doi: 10.1055/s-2008-1027847.
Make sure that the search field is empty. By deleting the filter entry, all records will be displayed again.
Some PACS manufacturers require a search query that distinguishes between upper and lower case letters. For example, "schmidt" does not return any results, but "Schmidt" does.
The reference lines (section planes) are calculated from the DICOM files using the Image Orientation Patient (0020,0037) and Image Position Patient (0020,0032) parameters. The lines are only displayed if these data are available or valid sections can be calculated from them.
mRay offers the possibility to create a temporary link to studies or series. This can be sent to the expert, e.g. by mail. The link is protected against unauthorized access with a PIN.
Your chat partner has read the message when a small eye icon is shown on the message. The read function is not yet available in groups.
PINs for the clinic login will be sent by mail to your clinic mail address. Make sure that you have access to your mailbox.
For security reasons, your clinic only allows login with previously approved devices. Contact a member of the clinic IT staff to have the desired device unlocked.
The causes can be very diverse. You can see the current transfer rate during a download in the side menu by clicking on the mRay logo. Check over which connection you are currently connected, i.e. WLAN or mobile data.
mRay Cloud
mRay in the clinic
Yes. Under certain conditions, this is even possible on a tablet. You can find out more about this at https://mbits.info/downloads/mRay-Nutzungsanweisungen_Befundung.pdf.
Yes. This is also possible without mRay internal calibration.
We refer to the following consensus and its results (JPEG compression factors). Quote: "In a consensus conference (Loose et al. 2009), the topic of image compression of DICOM data was discussed with radiologists, medical physicists, industry and government representatives. Based on the 56 highest rated studies selected from 216 publications, as well as the largest study currently published from Canada, they discussed whether image compression is possible without reducing diagnostic image quality, and if so, what factors should be considered. The result of this conference, which was attended by more than 80 experts, was published in the journal "RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und bildgebenden Verfahren" at the beginning of 2009.
The Lux Meter display is only available on iOS.
Once you have opened the Lux Meter, click Start to perform the measurement. The Lux Meter will then also determine the room class you are in and log it automatically.
The Lux Meter display is only available on iOS.
This feature needs to be configured on the mRay server and has certainly not been set up yet. Contact your clinic IT, they will contact us for setup.
This function must be configured on the mRay server. Contact your clinic IT, they will contact us for the setup.
The manual measurement of the partial distance is one of the test points of the constancy test, which must be performed monthly. Regular measurement, e.g. every working day, is recommended.
Yes, when changing the location, the following points must be checked again: initial measurement of the transmission time (6.2.2), completeness of the data transmission (6.2.3) (DIN 6868-159).
No. Access to photos within the gallery is not supported for privacy and security reasons.
No. The data remains encrypted within mRay and is not viewable by the user or by other apps.
Check whether the host application or the sending device (PACS or CT/MR device) has issued a warning or error. If not, carefully check that you have sent all the required and the correct input images. Try sending the images again.
Review the motion correction report to estimate the severity of the motion and check for false alarms in the segmentation. If you have doubts about the reliability of the results, do not use them for your decisions.
Review the qcontrol_bolus report and check the time curves. If they are very noisy, interpret the results carefully. If no bolus is visible in the time curves, this may be due to a problem with the contrast medium injection (not flowed in or flowed in too late). In this case, you can repeat the measurement.
Core segmentation is based on a global threshold of 30%. This does not take into account differences in gray and white matter. Check this visually with the contralateral counterpart or in the qcontrol_flowstats report. Consider that severe microangiopathy can lead to relevant hypoperfusion, potentially resulting in false positive CBF core segmentation. If you have doubts about the reliability of the results, do not use them for your decisions.
Very small lesions in the range of 1-2mL can be smoothed away by mask generation.
In this case, the coregistration between perfusion and diffusion was faulty and diffusion and flair were mistakenly twisted to perfusion.
Unfortunately, coregistration errors can occur due to algorithmic reasons (keyword "local minimum").
Basically, the "fallback" strategy described in the user manual applies in case of erroneous evaluations:
Visual check of coregistration => if incorrect,
visual interpretation of results => if unclear or not possible, do not use evaluation.
In the login field, enter your email address that you used during registration.
This function is currently not yet provided. This will be possible in a future mRay version via in-app purchase.
(Internal: the storage space can be set arbitrarily per account / group via an option)
You must give the app permission to access the local network.
You can restore hidden studies and series in the settings. To do this, click on the mRay button at the top left and select the settings. You will then find the option under Devices Settings >> Data >> Show hidden data.
In the Inbox, go to the mRay icon and then to Settings. Then go to the account management, there you can change your password.
No. The gateway is only a connection broker, comparable to a reverse proxy. No data is stored on the gateway at any time.
Yes. mRay provides the ability to manage the sharing of devices to the mRay system. The following options can be selected:
The DICOM Conformance Statement can be found at https://mbits.info/downloads/DICOMConformanceStatement.pdf
Register at https://mray.app. There you can also upload your data.
The images are then also available on your smartphone. You can log in to the app with the account from the website. Use "mray.app" as server URL and enter your email address and password.
mRay offers the possibility to create a temporary link to studies or series. This can be sent e.g. by mail or in any chat program. The link is protected against unauthorized access with a PIN.
Yes. The mRay Web Client is available at https://start.mray.app.
mRay uses a standard DICOM interface for communication with the PACS. There are 2 possibilities:
The data security measures are as follows:
Yes. Under certain conditions, this is even possible on a tablet. You can find out more about this at https://mbits.info/downloads/mRay-Nutzungsanweisungen_Befundung.pdf.
Yes, this is possible if the monitor is calibrated and approved according to DIN 6868-157.
No. Access to photos within the gallery is not supported for privacy and security reasons.
No. The data remains encrypted within mRay and is not viewable by the user or by other apps.
Yes. The photos are automatically sent to your PACS after being assigned to a patient.
Perfusion analysis of brain images allows visualization and quantification of low-perfusion tissue (penumbra), non-perfusion tissue (core tissue), and the mismatch ratio between the two values. The calculated values can be used to support decision making based on the assessment of the extent of tissue damage.
Usually, the evaluation can be started automatically in the standard configuration. If required, the possibility for manual evaluation can be set up.
To download your image data, click the following icon 
in the study view and follow your browser's instructions if necessary.
The downloaded files are in a ZIP file. After unpacking the ZIP file, you will not find any "usual" image formats there. Your images, findings and other documents are stored as so-called "DICOM" files. To view them, you need a special DICOM viewer. For this purpose, you can create an mRay private account under mray.app, for example. This allows you to access your data at any time via any browser or via app on a mobile device.
Sie können Ihren kostenlosen mRay Privat-Account unter www.mray.app erstellen. Weitere Informationen über den mRay Privat-Accountt und ein Schritt-für-Schritt Erklärvideo finden Sie hier.
Sie können Ihre Daten über das Plus-Symbol rechts unten hochladen.
Sie können Ihre Bilddaten über das „Teilen“ Symbol in der Bedienleiste links teilen.
There may be several reasons for this:
You always have the option of retrieving the image data without the QR code. To do this, follow the instructions on the printout. There you will find an Internet address that prompts you to enter your access code and PIN.
If your image data is no longer displayed, its validity has expired. To regain access to your image data, please ask your practice to renew your image data.
If your image data is no longer displayed, its validity has expired. To regain access to your image data, please ask your practice to renew your image data.
Zwischen der Bildgebung und einem vollständigen Befund besteht immer ein zeitlicher Versatz. Der Befund erscheint, sobald er freigegeben wurde. Versuchen Sie es etwas später erneut, oder wenden Sie sich an Ihre Praxis, sollte er weiterhin fehlen.
Open your report and click on the following icon 
at the bottom right to download it. You can then print the PDF as usual.
To delete your data in mRay, simply click on the three dots located next to the dataset and choose "Delete Dataset."
To delete your mRay Private Account, click on the mRay logo located at the top left corner. Next, click on the gear icon next to your name to access your profile settings. Under Account Management, you will find the option to delete your account.
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