LWBS vs eloped
Formal Definition
Two distinct ED patient disposition categories for patients who leave before medical evaluation or treatment is complete: (1) "Left Without Being Seen" (LWBS) — patient signed in, was triaged, but left the waiting room before being evaluated by a physician; typically occurs during long ED waits and signals capacity strain. (2) "Eloped" / "AMA" (Against Medical Advice) — patient was evaluated, received a medical recommendation or admission, and left the department before treatment plan was complete or against the recommendation of the treating team; carries different legal/medical implications and documentation requirements.
How It's Used on the Ward
"LWBS" or "left before being seen" — the patient was waiting in the lobby, got tired, and walked out before any clinician saw them; common in long-wait EDs; tracked as a quality metric. "Eloped" — patient was seen, was told they need admission or treatment, and walked out anyway; documented with capacity assessment and AMA form when applicable.
Example
""Two separate scenarios from the same Friday night ED: Scenario 1 (LWBS): 32-year-old with abdominal pain triaged at 11 PM, ESI level 3, told to wait. At 1:30 AM still not seen, leaves the waiting room. Registration staff notes: "Patient left waiting room prior to being seen by a physician — LWBS." Patient later calls asking about his CT (which was never done) and is advised to return if symptoms worsen. Scenario 2 (Eloped): 58-year-old alcoholic with chest pain and elevated troponin, evaluation shows NSTEMI; cardiology recommends admission for cath and anticoagulation. Patient says "I need to go home first" and leaves department against medical advice. Treating physician completes AMA form, has patient sign, documents capacity assessment: "Patient alert, oriented, aware of recommendation and risks, denies suicidal ideation, decision-making capacity intact.'""
Clinical Context
LWBS implications: (1) Quality/safety concern — long waits drive LWBS, which correlates with delayed care and adverse outcomes. (2) Institutional tracking — LWBS rate is a publicly reported ED metric (target <2–5%). (3) Follow-up — patient should be contacted if possible, particularly for high-acuity ESI 2/3 triage scores; some centers will recall these patients. Eloped implications: (1) Requires capacity assessment — patient must be alert, oriented, able to understand the recommendation, appreciate consequences, reason about treatment options, and communicate a choice. (2) AMA documentation — formal signing of AMA form is recommended when patient leaves against recommendation; informs risks, leaves opportunity for the patient to change their mind. (3) Refusal of specific services (e.g., refusing blood transfusion as Jehovah's Witness) is different — these are mid-stay care decisions, not elopement. (4) Psychiatric holds — patients on involuntary psychiatric holds cannot elope legally; for safety, elopement from psychiatric hold is a sentinel event. Documentation best practice for AMA: physician note with capacity assessment, discussion of specific risks (e.g., "death, myocardial infarction, missed pulmonary embolism"), patient's stated reason for leaving, AMA form signed, follow-up plan.