The Doctor Will See You Now. The Algorithm Already Has.

A radiologist in a busy hospital can read about 80 chest X-rays in a single shift. An AI model trained on millions of those images can process the same volume in under a minute. It will not get tired. It will not miss the subtle shadow in the lower left lobe because it is on hour ten of a double shift. But here is the thing nobody tells you: the AI does not actually see the X-ray. It sees patterns. And those patterns are rewriting what it means to practice medicine.
A 2023 review published in BMC Medical Education by Alowais, Alghamdi, Alsuhebany, and Alqahtani examined the state of artificial intelligence in clinical practice. The authors drew on a comprehensive survey of indexed literature from PubMed, Scopus, and EMBASE, with no time constraints but limited to English language studies. What they found is not a future prediction. It is a description of the present, and the present is moving faster than most doctors are ready for.
What Can AI Actually Do in a Hospital?

The review identified four domains where AI already outperforms humans or matches them: disease diagnosis, treatment selection, clinical laboratory testing, and personalized medicine. But the most striking finding is not the list of tasks. It is the nature of the improvement.
AI tools can "leverage large datasets and identify patterns to surpass human performance in several healthcare aspects" (Alowais et al., 2023). That sentence is careful academic language. Translated into plain English: machines are finding things in medical data that human experts have never noticed, because the patterns are too subtle or too complex for a single brain to hold.
Consider diagnosis. A dermatologist might be excellent at spotting melanoma. But an AI trained on 100,000 images of skin lesions can recognize a subtype of melanoma that appears in only 0.3% of cases, something a human might never encounter enough times to learn. The review notes that AI offers "increased accuracy, reduced costs, and time savings while minimizing human errors" (Alowais et al., 2023). That is not hype. That is what happens when you let a machine see what you cannot.
The Treatment Problem
Where things get uncomfortable is treatment selection. A doctor prescribes a drug based on guidelines, experience, and the patient's chart. An AI can do that too, but it can also incorporate data from 10,000 similar patients, their genetic profiles, their side effect histories, and their outcomes. The review found AI can "revolutionize personalized medicine, optimize medication dosages, enhance population health management, and establish guidelines" (Alowais et al., 2023).
That sounds great until you ask: who writes the guidelines the AI learns from? And what happens when the AI recommends a treatment that contradicts the doctor's training?
The Hidden Problem: Doctors Are Not Being Trained for This

Here is the uncomfortable truth the review exposes. The technology is arriving faster than the profession can absorb it. Medical schools still teach diagnosis the way they did fifty years ago: look at the patient, take a history, order tests, interpret results. They do not teach students how to interrogate an algorithm, how to recognize when an AI is hallucinating a pattern that does not exist, or how to explain to a patient that a machine recommended their chemotherapy regimen.
The authors frame this as a need for "equipping healthcare providers with essential knowledge and tools" (Alowais et al., 2023). That is polite academic speak for: we are sending doctors into a world where they will be held accountable for decisions made by systems they do not fully understand.
How the Study Was Done
The review analyzed indexed literature from PubMed, Medline, Scopus, and EMBASE. No time constraints, but limited to English. The focused question was straightforward: what is the impact of applying AI in healthcare settings, and what are the potential outcomes? The authors did not run experiments. They synthesized existing evidence. That means the strength of their conclusions depends on the quality of the underlying studies, which range from controlled trials to observational data. The review is a map, not a single data point. But the map shows a clear direction.
The Ethical Land Mines Nobody Is Talking About
The review flags three major challenges: data privacy, bias, and the need for human expertise. These are not abstract concerns. They are concrete problems that will determine whether AI helps or harms patients.
Data Privacy
Medical data is the most sensitive information most people will ever generate. AI models need enormous datasets to train. Those datasets contain intimate details: genetic predispositions, mental health histories, sexual orientation, substance use. The review emphasizes that "challenges related to data privacy" must be addressed (Alowais et al., 2023). But the authors do not say how. That is because nobody has a good answer yet.
The Bias Problem
An AI trained on data from mostly white, affluent patients will perform poorly on Black, poor, or rural patients. The model will not be malicious. It will simply be wrong, and the error will be invisible. A doctor who trusts the AI will make decisions that systematically disadvantage certain groups. The review acknowledges this, but the solutions remain theoretical. You cannot debias a dataset after the fact. You have to build it that way from the start.
The Human Expertise Paradox
The review states that AI is "about developing technologies that can enhance patient care across healthcare settings" rather than simply automating tasks (Alowais et al., 2023). But enhancement and automation blur together. If an AI reads your chest X-ray and flags a nodule, and the radiologist signs off on it without looking closely, who made the diagnosis? The machine did. The doctor became a rubber stamp.
This is not a failure of technology. It is a failure of workflow design. The review calls for human expertise to remain central, but it does not specify how to keep humans engaged when the machine is faster and often more accurate. That is a design problem, not a training problem.
What the Research Does Not Prove
This review is a synthesis, not a controlled trial. It cannot tell you which specific AI tools work best for which conditions. It cannot give you effect sizes or confidence intervals. The authors are clear about that limitation. What it does is reveal the shape of the transformation: broad, uneven, and accelerating.
The review also does not answer the hardest question: what happens when the AI is wrong and the doctor misses it? Malpractice law is built on human error. It has no framework for algorithmic error. If an AI recommends a treatment that harms a patient, who is liable? The hospital that bought the software? The company that wrote the code? The doctor who followed the recommendation? The review mentions ethical and legal considerations but does not resolve them. Nobody has.
What This Actually Means
- ▸Medical education needs to change now, not later. Every medical school should have a required course on AI literacy: how models are trained, what they can and cannot do, how to spot when an algorithm is making a mistake. The review shows the gap is already here.
- ▸Patients need to know when an AI is involved. Informed consent is meaningless if patients do not know that a machine contributed to their diagnosis or treatment plan. The review's emphasis on trust and patient physician relationships demands transparency.
- ▸Bias is not a bug; it is a feature of the data. Any AI trained on existing healthcare data will inherit the biases of that system. The review's call for addressing bias requires active intervention, not passive hope.
- ▸Doctors must stay in the loop, but the loop needs redesigning. Asking a radiologist to double check every AI finding is inefficient. Asking them to spot the one case in a thousand where the AI is wrong is a different cognitive task entirely. The review points to the need for human expertise but does not solve the workflow problem.
- ▸The legal system is not ready. No jurisdiction has clear liability rules for AI assisted medical decisions. Until that changes, hospitals and doctors are taking on unknown risk. The review flags this as an open question, and it is the most urgent one.
The AI is in the hospital. It is reading scans, suggesting treatments, and analyzing lab results. The doctors are still learning how to work with it. The question is not whether the technology will transform healthcare. It already has. The question is whether the humans in the system will catch up before the machine makes a mistake that nobody knows how to fix.
References
- [1]Shuroug A. Alowais, Sahar S. Alghamdi, Nada Alsuhebany, Tariq Alqahtani (2023). Revolutionizing healthcare: the role of artificial intelligence in clinical practice. BMC Medical EducationDOI· 2,724 citations
