What is an electronic health record (EHR)?

An electronic health record (EHR) is best defined as a digital version of a patient's paper chart. This definition encompasses the concept that EHRs are comprehensive digital systems containing a patient’s medical history, diagnoses, medications, treatment plans, immunization dates, allergies, radiology images, and lab test results. EHRs are designed to be shared across various healthcare settings by authorized providers, improving the efficiency and quality of patient care by providing real-time access to patient data. This transition from paper records to digital formats enhances accuracy and increases the availability of patient information, which in turn fosters better communication and coordination among healthcare providers.

The other choices do not accurately define what an EHR is. A record of hospital admissions and discharges represents more of a summary of institutional care rather than a complete patient health record. A compilation of insurance information for patients focuses solely on financial and coverage aspects without reflecting the comprehensive medical history and clinical data found in EHRs. Lastly, an analysis of healthcare costs over time pertains to financial assessment rather than a medical record system that provides detailed individual patient health information.