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Mohd Azhar bin Abdul Razak
Universiti Teknologi Malaysia

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Portable cardiac self-stress test device development based on metabolic equivalent (MET) Whomaira binti Abdul Samad; Mohd Afzan bin Othman; Norlaili binti Mat Safri; Mohd Azhar bin Abdul Razak
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 3: September 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v15.i3.pp1223-1231

Abstract

Cardiovascular disease (CVD) is the main cause of death worldwide and the type varies depending on symptom and causes. There are several procedures to determine the type of CVD such as blood test, holter monitoring, cardiac stress test and many more. Cardiac stress test is a procedure to exert pressure on the heart by doing physical activities to determine heart functionality and abnormal heart activity. It is done to gather information on heart condition supported by evidence in the form of electrocardiogram (ECG) signal. However, patients with heart problem will have to take turns to run the test due to limited access to the equipment especially in government hospital. Therefore, this paper proposed the development of cardiac self-stress test device to provide a pre-diagnosis result based on metabolic equivalent (MET) value. The device named “i-STress device” is a stand-alone device integrating the use of software application and hardware. The software was built by using MIT App Inventor 2 and the hardware built based on Arduino 101 and Sparkfun Heart Monitor AD 8232 and the test result saved in SD card. The device will be useful to sort out patient’s case priority as well as providing pre-diagnosis result before conducting a real cardiac stress test.
Identification of Thalassemia Disorder using Active Contour Nurhanis Izzati Binti Che Marzuki Izzati Binti Che Marzuki; Nasrul Humaimi bin Mahmood Humaimi bin Mahmood; Mohd Azhar bin Abdul Razak
Indonesian Journal of Electrical Engineering and Computer Science Vol 6, No 1: April 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v6.i1.pp160-165

Abstract

Thalassemia was known as the red blood cell (RBC) morphology disorder. This disease mostly affects the shape of the red blood cells. Thalassemia becomes the major public health problem when one of the people becomes the carrier of the disease. It can occur within a months after birth or even before birth and results in inappropriate growth and development of babies. Sometimes the affected babies will die shortly after birth. In order to screen thalassemia, there are a few tests need to be done. Firstly by performed Complete Blood Count (CBC) and secondly continued with hemoglobin electrophoresis test. This CBC test will identify the morphology of RBC. Hence, this paper will discuss the methods on identifying the morphology of thalassemia blood cells by using active contour technique. From the result of 16 normal and abnormal blood cell images, the active countour methods able to identifyThalassemia blood cells with accuracy of 90% from the abnormal cell images.
Co-Authors Mohd Afzan bin Othman Nasrul Humaimi bin Mahmood Humaimi bin Mahmood Norlaili binti Mat Safri Nurhanis Izzati Binti Che Marzuki Izzati Binti Che Marzuki Whomaira binti Abdul Samad