Resources · Medical record review

The Medical Record Has More Than One Clock

A chart can look chronological and still leave the decisive question unanswered: what information was available to the clinician at the moment a decision was made?

  • Kanwar Partap Singh Gill, MD
  • Family medicine · Fresno, California
  • Published
  • Educational analysis · fictional examples labeled

The question a chart rarely answers directly

When care is questioned, the decisive issue is often not what the record says but when its information existed, and for whom. A clinician is judged on what was available, or reasonably obtainable, at the moment of decision. Yet an electronic record presents a single orderly sequence of dated documents, and each of those dates may measure something different: when the patient was seen, when a note was typed, when it was signed, when a result was finalized, when it reached an inbox, when someone opened it, and when someone acted.

Collapsing those moments into one timeline is a common error in a medical chronology. It can make a careful clinician look negligent, and it can make a genuine gap disappear. Separating them is slow work, and it is the foundation on which every other part of a record review rests.

Four days, four different clocks

Fictional illustration

A patient attends a primary-care visit on Monday for fatigue, and blood is drawn. On Tuesday afternoon a potassium result is finalized at a dangerous level. The Monday visit note is signed on Wednesday morning. On Thursday, a staff member working for a different clinician calls the patient and directs her to emergency care.

The Wednesday signature cannot, by itself, establish that the Monday clinician knew the Tuesday result during Monday's encounter; the result did not yet exist. Nor does it establish that the clinician saw the result on Wednesday while signing. Completing a visit note and reviewing a result are separate tasks, often performed in separate parts of the system. The Thursday call shows that someone acted on Thursday. It does not show that no one tried earlier, or that Thursday was the first day anyone could have.

A reviewer who writes "the clinician signed the note Wednesday, after the critical result was available, and did nothing" has merged three clocks into one sentence. A reviewer who writes "nothing shows the clinician was aware of the result" has stopped too early. The useful questions sit between those two statements: to whom was the result routed, who was covering, what does the system record about access, and what did the organization expect to happen to a critical value on a Tuesday afternoon?

The clocks a reviewer keeps apart

Occurrence
When the care, symptom, specimen collection or conversation actually happened.
Entry
When the information was typed, dictated, drafted or imported. A note can be opened during a visit and completed hours or days later.
Signature
When the author finalized the entry. What a signature attests depends on the workflow; it is not a statement about everything visible elsewhere in the chart at that moment.
Availability
When a result or outside report was finalized and became viewable in the system, which may differ from when it was routed to anyone.
Routing and receipt
To whom the item was sent: the ordering clinician, a covering clinician, a shared pool, a departed clinician's queue. Delivery to an inbox is not the same as a person seeing it.
Acknowledgement
A recorded action marking the item as reviewed. An acknowledged result is not the same as a communicated result.
Communication and action
When the patient was told, an order placed, a referral made or the plan otherwise changed, and whether that action was completed.

These events sometimes fall within minutes of one another and sometimes weeks apart. The chronology records each one the evidence supports and marks the rest as unknown rather than estimating them.

Five records, read for what they establish

Consider a fictional record assembled from five items. The middle column states only what each item itself establishes; the right column states what it leaves open.

Fictional illustration

Record itemEstablished observationQuestion still open
Monday visit noteA visit is describedWhich parts were entered contemporaneously?
Tuesday resultA report was finalizedWhen and to whom was it delivered?
Wednesday signatureThe record displays a signature dated WednesdayWhat does that signature establish under this workflow, and which materials were reviewed?
Thursday messageA staff member recorded an actionWas there an earlier undocumented or separately recorded action?
Later hospital recordA subsequent event is documentedWhat connection, if any, is supported between the earlier process and the outcome?

The table looks modest. Its discipline is that the middle column never borrows from the right. Each open question names a record that could answer it: routing data, a coverage schedule, a telephone log, a custodian's explanation of what the signature workflow required. That turns a vague suspicion into a specific discovery request, or into a finding that the question cannot be answered on the available material.

Why separate clocks make a review fairer

A later diagnosis makes an earlier symptom look obvious. Once a reader knows the potassium was dangerous, or that the cough was cancer, ambiguous findings in the earlier record take on a clarity they did not have when the clinician faced them. This is hindsight bias, and it operates on careful readers as well as careless ones.

The corrective is reconstruction. The reviewer rebuilds the presentation as it was documented: the complaint, the examination, the competing explanations, the tests pending, the plan and its contingencies. Only then does the question become answerable: on what was available, or reasonably obtainable, did the situation call for a different response? Sometimes the answer is yes. Sometimes the reconstruction shows a defensible decision made under real uncertainty, and the later event says nothing about its quality.

Knowing, receiving and being responsible are different questions

A result sitting somewhere in an electronic system does not automatically establish that a particular clinician received or understood it. Conversely, the absence of a documented acknowledgement may raise a serious process question when other evidence establishes that prompt follow-up was needed. The evidence must support the particular inference being drawn.

What the clinician actually knew is also distinct from what the clinical situation reasonably required the clinician or care team to seek, review or follow up. Ordering a test ordinarily creates a follow-up task. Who held that task when the ordering clinician was away, and whether anyone was assigned to it at all, is a question about the organization's design as much as about individual diligence. Missing or misrouted information may itself be part of the process under review. Nonreceipt alone does not resolve whether the clinical response was appropriate.

Timestamps need an interpreter

A printed record may show one time per entry while the underlying system holds several: created, last edited, signed, cosigned, printed. A "last modified" value may reflect an automated process rather than a person. A result's finalization time may differ from the time it was released to the ordering clinician's inbox. These distinctions depend on the specific system and its configuration.

A records custodian or a qualified EHR forensic specialist explains what a field means and extracts audit data in a way that can be validated. The clinical reviewer interprets the clinical significance of what that evidence establishes, and should not assign meaning to an unfamiliar field merely because it looks precise. Useful additional evidence often includes routing records, coverage schedules, telephone and messaging logs, outside reports, and written descriptions of how the relevant workflow operated at the time.

ONC's SAFER Guides give separate attention to test results reporting and follow-up and to clinician communication. They are useful references for examining the processes that connect information to action. They do not decide responsibility or the standard of care in an individual case.

What the finished chronology looks like

A good chronology preserves uncertainty instead of resolving it by assumption. Continuing the example, four rows might read as follows.

Fictional illustration

EventTimeBasisStatus
Potassium result finalizedTuesday 15:42Laboratory reportDocumented
Result routed to ordering clinician's inboxTuesday, time not producedOrganization's written routing policyInferred
Result opened by any clinicianUnknownNo access data producedUnknown
Patient called and directed to emergency careThursday 10:15Telephone encounterDocumented

The chronology can state that a result was finalized at a particular time, that a call was documented later, and that the interval between them remains unexplained. It should not fill that interval with an invented account of knowledge, intent or inaction.

A fair review looks both ways

The same discipline that exposes a gap protects against an unfounded one. The result may have been routed to another responsible team. An action may appear in a separate record, such as a covering clinician's message or a nurse's telephone log. The Monday clinician may have been off duty with documented coverage. A planned interval before a recheck may have had a reasonable clinical basis.

An apparent delay may also remain clinically concerning after every one of those possibilities is examined: a critical value routed to a pool no one monitored, an acknowledgement with no communication, a coverage arrangement that existed on paper and nowhere else. A defensible decision under uncertainty, an unresolved documentation problem, a process failure and a medically supportable allegation are different conclusions. The chronology's value is that it lets the evidence decide which one is warranted.

What a review of this issue can deliver

A source-linked chronology that keeps each clock separate, marks every entry documented, inferred or unknown, names the records needed to close each gap, and states which conclusions the evidence supports and which it does not. That chronology is the core of Medical Record Review and Case Assessment and of results questions in Primary Care Decisions and Diagnostic Follow-Up. A fictional example appears among the work samples, and the step-by-step method is set out in How a Review Is Organized.

Sources and scope

  • ONC SAFER Guides (2016 edition for events before 2025; 2025 edition thereafter), including Test Results Reporting and Follow-Up and Clinician Communication: self-assessment guides on EHR safety practices. They do not set the standard of care in an individual case.
  • Federal Rule of Evidence 702 (amended December 1, 2023): the committee note states that each opinion must stay within what the expert's method can reliably support, which is why a chronology reports uncertainty rather than filling it.
  • California Evidence Code §802: an expert may state the reasons for an opinion and the matter on which it is based, and the court may examine that basis.

Questions counsel often ask

Does the date a note was signed show when the clinician knew about a result?

Not by itself. Signing a visit note and reviewing a result are usually separate tasks, and a signature date records when the author finalized that entry. Whether the clinician saw a particular result, and when, depends on routing, access and acknowledgement evidence. A review states what the signature supports and identifies the additional records needed to answer the timing question.

Can Dr. Gill interpret audit-trail timestamps?

He can explain the clinical significance of timing evidence once it has been properly extracted and explained. Extraction and validation of audit data, and the meaning of individual system fields, belong to a records custodian or a qualified EHR forensic specialist. A clinical reviewer should not assign meaning to an unfamiliar field merely because it looks precise.

Does separating the clocks tend to favor one side?

No. The same method can show that a clinician had no realistic opportunity to see a result, or that a result sat unrouted for days with no one assigned to it. It guards against hindsight and against overlooked gaps alike. The evidence, not the method, determines which conclusion is warranted.

Have a matter that may fit?

Send a short, non-clinical inquiry naming the parties, forum, dates and question. Conflicts are screened before any records are sent, and every party is offered the same method and terms.

This page describes professional consulting services for attorneys and healthcare organizations. It is not legal advice or medical advice. An inquiry does not create an engagement, an attorney–client relationship or a physician–patient relationship. Opinions are formed only after review of the evidence and may support, limit or contradict the position of the party that requests them. Fees are never contingent on the content of an opinion or the outcome of a matter.

Reviewed and approved for publication by Kanwar Partap Singh Gill, MD · 5 November 2026.

Search KPSGill.com

Search the full publication — patient guides, policy, investigations, enforcement records and research.