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 Early Warning Score for Obstetrics (EWSO) for obstetricians and neonatologists to monitor health status
of maternal-fetal during antenatal phase
In the early days, all EWS systems evolved from the recording of the related patients’ vital signs on paper
chart which is cumbersome. Many efforts have been made to transform EWS into electronic systems or
computerized ones for ease of data handling and retrieval. Over the years, there have been quite a number of
electronic calculators of EWS available in the market. One of such systems is MDCalc, which is a free online
medical reference for healthcare professionals that provides point-of-care clinical decision-support tools,
including medical calculators, scoring systems, and algorithms. This MDCalc is also available in mobile and
web applications. Nevertheless, the back-end data for MDCalc is not easily accessible for users who want to
have a full access to the recorded data.
As such there is a need for developing a custom-made EWS system such that the system not only can serve
as the EWS calculator, but also as a data logger system especially for researcher. A custom-made system can be
designed tailored to the specific objectives as stipulated by the researcher. This paper describes the development
of a EWS system that follows the specification of MEWS with additional input data of diastolic blood pressure.
The EWS system also provides a learning platform for the programmer to implement web applications system
development.

2. Methodology

2.1. EWS System Design

A flow chart is a diagram that explain the flow of activities that is carried in a system. Fig. 1 shows the flow
chart for the Caretaker in handling the embedded EWS calculator and data logger for patient’s vital signs
monitoring.

Fig. 1 Flow chart for handling the EWS system

E- Proceedings of The 5th International Multi-Conference on Artificial Intelligence Technology (MCAIT 2021) [25]
Artificial Intelligence in the 4th Industrial Revolution