Electronic Medical Record Design

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The proposed electronic medical record design willThe above diagram represents the entry
contain patient demography which will recordrelationship diagram, from the above it is clear
patient information; it will also contain the medialthat the health representative will serve many
history of the patient. Another important part inpatients, the patient will have different complaints
the EHR is the presence of laboratory testand therefore different encounter types. The
information, images such as x ray images,encounter type will have different diagnosis or
payment records, physician information and thehealth disorder, finally the health disorders must
encounter type.be referred to a specialized physician and
The first step in constructing an entry relationshiptherefore one physician will serve on health
diagram is to identify all the parts in our electronicdisorder.
system, in our case the parts we will considerThe system will assist in recording and ease
include the health representative, the patients, thediagnosis of health disorders presented by
encounter type, diagnosis and health disordersconsumers, when the patient visits the health
then we will consider the physicians.center the health representative will first record
The second step is to determine the relationshipsthe complaint and also names and other important
between the entities we are to consider in ourinformation., the health representative will also try
electronic system, in this case we will consider theto find out whether this is the first time the
first place where the information is first collected,patient is visiting or whether a regular patient,
we consider this as the entity healthafter this is established depending on the
representative which will serve many patients, theencounter type and previous health history the
patients will have many different complaints,health representative will refer the patient to a
these complaints will be referred to differentspecialized physician.
physicians and therefore after the patient’sThe existence of a complex communication
complaint we consider the relationship betweensystem the physician will also be in a position to
the complaints and the encounter type andrefer to the stored complaint, also the health
diagnosis. The encounter type will then determinehistory of patient, allergies and other information.
the physician type.This access to information will make diagnosis
The final step before drawing our ERD is toeasy and therefore improved services in a health
analyze the relationship between the entities,care.
when the relationships are determined we canTherefore we can conclude that this system will
now draw the diagram, we have to consider alladd value to the health center due to enhanced
the entities, the crow foot symbol will signify onecommunication systems and also ease update and
entity serving too many of another entity.retrieval of information. The time taken to serve
The following is the entry relationship diagram, thea patient will also be reduced due to increased
diagram contains all the entities we will considerefficiency in the health center.
and the joining lines show the type of relationship