How Do Electronic Medical Records Work?

What Is an Electronic Medical Record?

An electronic medical record (EMR) is a digital version of a patient’s paper records that’s created and managed within a healthcare practice. It stores and organizes detailed electronic health information collected during clinical visits, including:  

• Medical history 
• Vital signs
• Diagnoses
• Medications
• Imaging and lab results
• Treatment plans
• Immunization records
• Surgical progress notes
• Reportable information and any public health concerns

EMRs help care providers update patient records as needed, share medical information internally, and reduce medical errors caused by illegible handwriting or lost charts. They come in two main types based on how and where the software is hosted:

• In-house information systems. These are installed on servers located within a healthcare facility. This helps the organization retain complete data control and always have data access, even without an internet connection.  
• Cloud-based (remotely hosted) systems. These are hosted on external servers managed by third-party providers. This reduces health IT burden, improves remote accessibility, and offers flexible pricing. These features make cloud-based systems more accessible for small practices that want to make meaningful use of health information technology.  

Both types of EMR systems have their advantages, and the right choice will often depend on your practice’s size, resources, and IT capabilities.

How Does an EMR Work?

While providers interact with EMR software during care delivery, much of what makes the system “work” happens behind the scenes. 

Here are some use cases of an EMR system:

• It digitizes patient information into structured data. When patient data is entered, an EMR system parses it into structured fields like name, date of birth, allergies, and medications.
• It automatically pulls historical data into the current visit. Once a provider opens a chart, the EMR will fetch previous encounters, test results, diagnoses, and medication lists. This makes healthcare delivery more comprehensive.
• It uses clinical documentation to provide decision support. EMRs may have clinical decision support systems that suggest orders, flag inconsistencies, and recommend guideline-based interventions.
• It communicates with external systems through APIs and HL7. If a provider orders labs or prescriptions, an EMR will use protocols like HL7 or FHIR to convey orders to (and back from) pharmacies, imaging centers, or lab databases.
• It generates claims and invoices. EMRs use NLP, templated logic, or coding algorithms to convert services into CPT and ICD-10 codes. They then generate claims for payers and invoices for patients.

EMR vs. EHR: What’s the Difference?

EMR and electronic health records (EHR) are often confused with each other, but they actually have different functions. Here is how EMR and EHR systems differ:

Benefits of Using an EMR System

The biggest benefit of using an EMR system is not having to sift through stacks of paper charts just to find a blood pressure reading from last year. Here’s what else an EMR system can do for your medical facility: 

• Increases access to complete patient records. EMR systems store data in structured, searchable formats. This helps you instantly pull up a patient’s full medical history, labs, radiology reports, prescriptions, allergies, and past visits in one place. 
• It reduces data entry errors. EMRs use structured data fields, dropdowns, auto-fill options, and real-time validation rules to reduce human error. For example, many systems flag improbable entries (like a diastolic blood pressure of 10) or alert you if a required field is left blank. 
• It speeds up prescription and lab ordering. E-prescribing (eRx) and lab ordering are built into most EMRs. This means you can send prescriptions directly to pharmacies, select common panels, attach ICD-10 codes automatically, and receive results electronically via HL7 interfaces.
• It improves coordination across care teams. EMRs make working with other people on your care team easier. That’s because they provide shared chart access, internal messaging, and team-based task assignments. You can leave notes for other providers, tag a nurse to follow up, or use care plans that update as new data comes in. 
• It integrates billing and coding into documentation workflows. An EMR may suggest CPT and ICD-10 codes based on what you enter during a visit. This can reduce missed charges or incorrect coding. 

Challenges of Using an EMR System

While EMR systems make accessing information easier, here are four challenges of integrating them: 

1. It May Require Hours of Implementation Time

EMR implementation requires careful planning, cross-team coordination, and time to adapt. Rushing this process could lead to incomplete adoption, reduced confidence in the system, and long-term inefficiencies.

EMRs also often disrupt established routines and introduce unfamiliar tools. When workflows feel harder instead of easier, healthcare professionals will become frustrated. 

Solution

Look for systems with data portability and continuity. The system should make it easy to import, export, transfer, and save patient records across platforms without losing structure or detail. You also want features that help you provide better care, like specialty-specific templates, and documentation tools like voice recognition and macros.

2. It Increases Screen Time and Documentation Burden

EMRs can require more data entry than paper. This can pull attention away from patients and increase burnout. 

Solution

You want to keep documentation focused on what helps you provide care and meet legal requirements. It’s also helpful to look for an EMR with clinical decision support and helpful artificial intelligence features.

It should alert doctors about drug interactions, provide update mechanisms, and offer condition-specific clinical guidelines for the best medical care. 

This way, clinicians will be able to use the system faster and spend less time on the screen.

3. It Can Create Data Privacy and Breach Risks

Poorly secured EMR systems can expose ePHI to cyberattacks, data breaches, and unauthorized access. This can cause sensitive information leaks, loss of patient trust, and legal penalties. 

Solution

To protect your system, implement zero-trust security measures like role-based access, encryption, and multi-factor authentication (MFA). In addition, look for the following security features:

• Ownership rights that are in your favor. You should retain clear legal ownership of your patient data, which can support you in malpractice defense or audits.
• Liability protections. Review indemnification clauses and avoid systems that shift liability to you for vendor errors or that restrict you from reporting problems.
• Regulatory compliance. The platform should meet all applicable federal privacy and security standards, like HIPAA, GDPR, and ISO 27001, to reduce the risk of penalties or breaches..
• Data integrity protections. Try to get features like audit trails for all entries and prevention of “note bloat” from templates. You also want clear authorship attribution (no “ghost documentation”).
• Security protections. These features include auto-logoff, end-to-end encryption (especially for portable devices), and breach notification protocols.

4. It Requires Role-Specific Training

Without proper training, clinicians may make errors, which cause 95% of breaches, or fall for phishing attempts. 

Solution

Develop role-specific training programs with hands-on practice environments where staff can learn without consequences. You should also schedule regular security refreshers covering current phishing tactics and ePHI best practices using real-world scenarios. 

Another good idea is to appoint EMR champions in each department to provide peer support and identify workflow issues early. 

How To Choose an EMR System

Your EMR will affect how your healthcare organization provides care, communicates with patients, and grows over time. Here’s a roadmap to follow when choosing an EMR system: 

1. Understand What Your Practice Needs

Different specialties require different tools. A behavioral health clinic may need group therapy note templates and substance use tracking. In contrast, a pediatric office may need access to growth charts and immunization tracking.

Before you start searching for EMR systems, figure out what that system could potentially help with. What wastes most time in your current workflow? Which specialty-specific tasks need digital support? This will help you narrow down must-have EMR features.

2. Perform an EMR Readiness Assessment

You need to know if you have the infrastructure and people to integrate an EMR into your practice. A readiness assessment will help you check your staff’s tech literacy, look at your IT infrastructure (hardware/bandwidth requirements), and budget. 

Here’s how to get started: 

• Look at your staff’s attitudes toward technology use. Are they open to new IT systems or resistant to disruption?
• Define the care features your practice relies on. This could include chronic disease tools, telehealth support, etc. 
• Go over how you handle scheduling, billing, communication, and documentation. Your EMR should improve these, not complicate them. 
• Check your hardware, software, and internet reliability. An EMR system that demands more than your tech can support will slow you down. 

Also, don’t forget to budget for software, training, downtime, and future upgrades or scaling costs.

3. Look at the Quality of Your Data

Many practices move to a new EMR system without fully understanding the state of their current clinical data. You should start with an internal assessment of your medical records to check if they’re complete, accurate, and secure.

You should look for patterns of missing information, inconsistent coding, or outdated entries. If you can, try to get your clinical and admin teams to verify data quality. Clean data will help you transition smoothly and avoid errors down the line.

Remember, the quality of your clinical data has a direct impact on patient safety and the quality of care you provide.

4. Shortlist Systems Designed for Your Specialty

Technology is only half the story. Vendor support and training matter as much. Shortlist 5-10 EMR systems or EMR-integrated services based on your medical practice type and budget. 

Once you’ve narrowed your options, schedule demos that walk you through your actual workflows. Ask how documentation is handled, and how the system reduces task burden on clinicians. Get as much detail as you can. 

5. Check the EMR’s Interoperability and Usability

If your EMR is difficult to use, your providers will resist it. This can reduce buy-ins and efficiency. Look for systems that are easy to use; you can do this by testing tasks like charting, scheduling, and medication ordering. 

Also, look for customizable interfaces that could help with your workflows and system integration with outside labs, primary care physicians, insurance companies, and pharmacies. This will help you share information quickly and avoid duplicate work.  

6. Test the System With Your Most Complex Cases

Before fully committing to an EMR, always check how it handles your toughest, most detailed patient cases. This will help you verify connections with hospitals, labs, and other care partners, and make sure that test results and consult notes are shared without fail. 

It will also help you understand if the system’s interface or workflows are too complicated for your daily use, which means you avoid solutions that create more headaches than help. 

Just make sure to pay close attention to which features make your work easier and which slow you down during the trial. This will help you learn which features you want to prioritize and which you don’t. 

7. Plan for Onboarding, Training, and Long-Term Support

How well an EMR works depends on how well your team adapts to it. Before buying, ask vendors about their onboarding process. How long does it take to get the system running smoothly? 

What kind of initial training do they provide, and is it tailored to different roles like physicians, nurses, and administrative staff? 

Also, find out what ongoing support looks like. Are there live help desks, online resources, or dedicated account managers? Try to make sure the vendor offers on-time assistance during software updates or technical issues, since these can disrupt patient care if not handled quickly. 

Make Your EMR Even More Powerful With PatientCalls 

The right EMR system should feel like an extension of your team, not an obstacle to your work. You should be able to enter, organize, store, and transfer clinical information across digital interfaces without fail. 

That’s where we come in. 

PatientCalls is a HIPAA-compliant medical answering service built for healthcare providers. With more than 20 years of industry experience, we help practices like yours stay connected and responsive. 

Here’s how we help you:

• Our appointment scheduling and messaging solutions sync directly with major electronic medical record systems. This reduces no-shows and automates admin tasks.
• Our agents are available 24/7 to make sure you never miss a call (and any important patient outcomes).
• You get to communicate with patients and staff using encrypted, HIPAA-compliant text and email notifications that meet regulatory standards.

If you’re looking to make sure your current EMR, or a system you’re considering for the future, actually fits your operation, we can help. Visit our official website or give us a call to learn about how our EMR integrations can work for you.

Let’s make your communication tools as smart and reliable as the care you provide.

About The Author

Jordan McGlone

Jordan has more than seven years of experience working for PatientCalls and a strong background in the healthcare answering service industry. He designs directive plans to fit the unique structure and activities of healthcare organizations, while ensuring that communications are efficient, compliant with HIPAA privacy and security regulations, and support optimal patient care.