Automated Detection of Anomalies in Healthcare Data Using Machine Learning

Ravikanth Konda

Automated Detection of Anomalies in Healthcare Data Using Machine Learning

Author(s)	Ravikanth Konda
Country	United States
Abstract	The health care industry creates vast amounts of data each day, from electronic health records (EHRs) and lab test results to radiological images and outputs from wearable devices. This expanding reservoir of information offers an unprecedented potential for improving patient outcomes through data-driven decision making. Yet, the complexity and high dimensionality of healthcare data also pose significant risks, particularly in terms of errors, fraud, and missed clinical events. Manual anomaly reviewing and detection mechanisms tend to be inefficient, error-prone, and non-scalable. To circumvent these downsides, autonomous anomaly detection methods based on ML algorithms have increasingly become popular.This paper identifies how different algorithms of ML may be used in order to find anomalies in medical data efficiently. We examine both supervised and unsupervised algorithms like Support Vector Machines (SVM), Random Forests, Isolation Forests, Autoencoders, and k-Nearest Neighbors (k-NN). These models are compared in terms of their precision, recall, F1-score, and area under the ROC curve (AUC) on real-world datasets from hospital databases and publicly available healthcare repositories. The methodology section explains data preprocessing, model training, hyperparameter tuning, and validation techniques. Our experimental results show that ensemble models and deep learning architectures tend to outperform conventional methods in both accuracy and robustness, particularly in dealing with imbalanced datasets. In addition, we discuss the operational challenges in implementing these systems, such as data privacy issues, interpretability of sophisticated models, integration with hospital information systems in place, and regulatory compliance. The discussion presents solutions like differential privacy, explainability frameworks for models, and continuous learning systems to address these challenges. In conclusion, the results highlight the revolutionary potential of machine learning to improve anomaly detection, thus ensuring patient safety, optimizing healthcare provision, and enabling real-time clinical decision-making.
Field	Engineering
Published In	Volume 7, Issue 3, May-June 2025
Published On	2025-05-14

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Automated Detection of Anomalies in Healthcare Data Using Machine Learning

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