Authors : Fatemeh Kouhestani; Milad Hadizadeh Masali

Volume/Issue : Volume 11 - 2026, Issue 3 - March

Google Scholar : https://tinyurl.com/ms4rnvac

Scribd : https://tinyurl.com/2ndp7vj9

DOI : https://doi.org/10.38124/ijisrt/26mar613

Note : A published paper may take 4-5 working days from the publication date to appear in PlumX Metrics, Semantic Scholar, and ResearchGate.

Abstract : Artificial intelligence has increasingly been integrated into medical diagnosis, particularly in clinical settings characterized by high patient volume, limited access to specialists, and time-sensitive decision-making. From an engineering and system-oriented perspective, medical diagnosis can be conceptualized as a complex monitoring and fault-detection problem in which heterogeneous clinical signals are processed through sensor-like inference mechanisms to identify abnormal system states. Recent advances in deep learning architecture have enabled artificial intelligence systems to extract hierarchical features from high-dimensional clinical data and perform data-driven diagnostic inference. This study examines the role of artificial intelligence in modern medical diagnosis by comparing deep learning–based machine reasoning with human clinical judgment, emphasizing system-level performance rather than isolated predictive accuracy. The analysis is grounded in empirical evidence from recent comparative studies conducted in real-world clinical environments, including primary care, emergency medicine, and telemedicine, primarily within healthcare systems of developed countries. The results demonstrate that deep learning–driven diagnostic systems perform effectively in structured diagnostic scenarios involving standardized inputs and repetitive pattern recognition, achieving performance comparable to that of non-expert clinicians. These strengths reflect characteristics commonly associated with automated monitoring, sensor-level inference, and anomaly detection systems, including rapid signal processing, consistent decision outputs, and reduced diagnostic variability. However, deep learning–based models exhibit clear limitations in complex clinical conditions that require contextual interpretation, integration of incomplete or uncertain data, and adaptive reasoning under rare or unforeseen scenarios. In such cases, expert clinicians continue to demonstrate superior performance. Additional challenges include bias in training data, limited generalizability across diverse populations, and system-level concerns related to safety, accountability, interpretability, and operational trust. Collectively, these findings indicate that artificial intelligence is most effective when deployed as a supervised deep learning–based diagnostic subsystem within a broader human-centered decision framework, where human oversight ensures robustness, resilience, and safe operation in real-world clinical practice.

Keywords : Artificial intelligence, medical diagnosis, deep learning, sensor-based diagnostics, anomaly detection, human–AI collaboration, system-level analysis.

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