By Matthew White


Medical practitioners have made their work easier in terms of storage of demographic data of their patients. This is referred to as the Slope Indicator which contains messages about the patients registration, their transfer, admission and discharge. These message transfers are the most common since they move a high amount of data.

There are around fifty ones types of messages that are located within the admission, transfer and discharge ranges of data. Since the ADT messages give a reason why a message is being sent, they are very vital in the communications done through HL7. There might be varying urgency levels and the time taken to transmit the information based on the type of trigger event resulting to the messages at hand.

Patients or providers are able to receive information from any system within a hospital or clinic through a message feed. Constant updating of information within the systems makes the traffic of data be in a continuous movement. Some types of information which can be updated in a system include alteration of the location address, addition of the name of a next of kin and changing of a patients name.

Once the update has been done, the data can then flow to the various sections of that hospital where the data is needed. The information is often received through two kinds of interface, either through a point to point or an interface engine. The data can reach various places including connections outside the hospital such as private laboratory when using an interface engine.

The trigger events make the different messages vary in the way they are structured. This means that a message that results from a transfer of a patient will be different from that of a change of address that may be done. The two major components that are present in any kind of message however are patient identification and patient visit.

The identity of an individual is present through a patients identification which is the gender, the national identification number, name and date of birth. The data of the location of an individual is also presented through telephone number and the address. Alternatively, the patients visit component has information such as the name of the medical attendant and the date and time of the last visit.

Several aspects are put into consideration when placing the messages into categories in the interface. The main one is the positioning of that information in the interface and analyzing the necessary or optional data. It is also vital to consider whether data can be repeated in other areas or not. Furthermore, it is necessary to put the values in the sections through the use of figures and numbers.

In summary, the ADT messages allow a connection between all the systems present within a medical facility. Thus the medical practitioners are able to easily plan procedures and prescribe the right kind of medications. Furthermore, once appointments have been completed, the data is automatically stored for future reference by patients who wish to book another appointment in the same clinic.




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