Based on identified issues, a healthcare quality professional examines 100% of one physician's admissions and only 20% of all other physicians' admissions. This is best described as a

This is best described as concurrent review because it involves examining 100% of one physician's admissions and only 20% of all other physicians' admissions, while the patients are still in the hospital. This allows for the identification and resolution of issues in a timely manner. The other options are incorrect because they refer to reviews that are done either before (prospective review) or after (retrospective review) the patients were admitted, or reviews that are focused on specific issues or areas (focused review), rather than the overall quality of care provided.