The heart disease accounts to be the leading
cause of death worldwide. It is difficult for medical
practitioners to predict the heart attack as it is a complex task
that requires experience and knowledge. The health sector
today contains hidden information that can be important in
making decisions. Data mining algorithms such as J48, Naïve
Bayes, REPTREE, CART, and Bayes Net are applied in this
research for predicting heart attacks. The research result shows
prediction accuracy of 99%. Data mining enable the health
sector to predict patterns in the dataset.