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In legacy systems, the components
did not work in synchrony and therefore caused troubles

When modules synchronized and
shared data and business logics, they became integrated

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So IHIS integrated
(synchronize) the working of the various components
(modules) of the HIS

Components of an IHIS Several
components in an IHIS

When components are scalable,
i.e. designed for freedom and integration, they are called modules

Not all IHIS have all the same
modules

Some have more, others have
less 

Their number and
their functionality (performance) varies from
system to system and from organization to organization

Generally, larger
organizations would have more complex systems in use,
with more modules 

Major groups of modules
in an IHIS

Remember the IHIS
architecture …

Patient Records and Medical
Services

Management of services

Management of hospital

Configuration of the IHIS

Since the patients registered in
the hospital usually come through different channels, and each may have
separate requirement, detailed patient registrations for Consultant Clinics,
In-patients and Out Patients should be available 

Each should ideally be catered in
its independent and individual business pathway

Medical Record is the repository
of clinical decision making and recording.

Medical care is a mission
critical activity in hospitals and Medical Records are the recording tools to
initiate clinical flows, assignment of services, prescriptions, patient
monitoring, and clinical noting

Medical Records section in an EMR
may not only do it all, but also provide clinical audit support, summary
production and (optionally) if needed DSS

It should also display patient’s
vital readings in numerical and graphical formats, and allow for their
convenient comparative analysis

Each operation theater in a
hospital is a unique physical entity.

A good IHIS offers an opportunity
to define operation heaters individually based on their individualized
characteristics. Each one is charged differently and is costed variously.

It should allow all of this along
with scheduling and patient assignment, to maximize efficiency and
productivity.

Not unlike operation theaters,
labor rooms are also defined, however their numbers and significance varies
with the level and spectrum of care provided a the hospitals.

It is one of the oldest module
that has existed in all Hospital Information Systems

This is usually a highly
automated feature since this is the life line of resources to the organization.

The billing could be virtually
real time and any patient’s bill should be viewable online.

This gives an unusual edge to the
hospital’s management in monitoring and internal audit, while giving the
patient and his/her carers a peace of mind.

Where billing is not the issue,
it serves to contain costs

This is usually configuration of
the hospital’s activities

It may be used to define the
various units to be used in the system like those for weight, volume, time,
currency etc.

Hospital’s formulary may also be
defined here.

Each hospitals is presumably
composed of multiple administrative units, which hierarchically are composed of
smaller units, often wards for example

Such details may also be defined
here

It is primarily a part of Human
Resource management

However, it also acts as a
gatekeeper of the system’s security, since only the defined human resource of
the hospital can access the application.

Each human resource’s job
position may be defined using multiple parameters.

Various allowances and benefits
may be assigned to each post.

Clinical specialties may also be
defined, including their remuneration and / or salaries. A detailed profile of
consultants is also manageable including their schedule of visits

Optional components

Several components are
commonly found and others have traditionally been optional, like  

Clinical Knowledge Management,

Clinical Decision Support,

Telemedicine,

Third party billing, etc.

So all in all, there are
components of IHIS that are based on the processes and activities
of the hospital

The are four basic
categories, which represent the functionality of their constituent
modules

There are variations and not
all IHISs look alike, or act alike

However, there is one basic
principle is generally adhered to – improved patient care follows
improved decision making

 

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