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How do emergency rooms work?

The emergency room is a place no one wants to go, but where everyone expects to be treated quickly and reliably if something serious happens. In Edmonton, emergency departments operate 24 hours a day, seven days a week, including holidays, and accept patients with a wide variety of conditions, from minor injuries to life-threatening emergencies. For Ukrainians who have just arrived in Canada, the system may seem unusual: queues, triage, long waits, online wait times. However, behind this lies a clear organization, prioritization rules, and standards that are common throughout Canada. Understanding how everything works helps reduce stress, set realistic expectations, and better protect the interests of your family.

The basic logic of how emergency departments work

Emergency departments (ED or ER) in Edmonton operate on the same principles, regardless of the specific hospital. Their task is to provide assistance to people with potentially urgent or life-threatening conditions, as well as those whose condition cannot be postponed until the next day. All major hospitals — University of Alberta Hospital, Royal Alexandra Hospital, Grey Nuns Community Hospital, Misericordia Community Hospital, and Stollery Children's Hospital for children — have emergency departments that operate 24/7.

The main feature of this system is that the departments do not operate on a “first come, first served” basis, but on the principle of medical prioritization. Patients are sorted according to the severity of their condition, not the time of arrival. Therefore, a person with stroke symptoms who arrived at the reception desk 10 minutes ago may see a doctor earlier than someone who has been waiting for an hour with a minor injury.

There are two main ways to get here: either independently (on foot, by taxi, or by car) or by ambulance after calling 911. Patients who arrive accompanied by paramedics are often brought in through a separate “ambulance bay” and, depending on their condition, are immediately taken to the intensive care or acute care areas.

The patient's journey: from the door to the doctor

A typical visit to the emergency department consists of several consecutive stages, which may vary slightly depending on the hospital, but the logic is the same everywhere.

First, when you enter the department, you are greeted by a registrar or clinical staff member at the entrance. This person briefly asks you why you are there, checks for any obvious signs of a critical condition, and directs you to the next stage—triage. If you come with a child to Stollery Children's Hospital, there are clear signs and a red stop sign right at the entrance, where you need to wait for the triage nurse to call you.

At this stage, you may be asked a few basic questions right away: do you have chest pain, difficulty breathing, heavy bleeding, or have you lost consciousness? If any of these apply, you may be “jumped” ahead of the queue and taken immediately to the appropriate area (resuscitation, resus room, trauma room).

Next, you proceed to registration: the registration clerk enters your information into the system — name, date of birth, address, phone number, Alberta Personal Health Number (if you have one), and contact information for a loved one. If you do not have a PHN (you have just arrived), this is not a reason to refuse assistance — you will still be registered, but you may be given further information about payment or benefits if you are a Ukrainian evacuee. Medical assistance for life-threatening conditions is provided in any case.

After registration, you will be invited to triage — a key stage that determines how quickly you will see a doctor.

Triage and the Canadian Triage and Acuity Scale (CTAS)

Triage in Canadian emergency departments is a structured and standardized process performed by a specially trained nurse. She assesses your condition through a brief conversation, examination, and measurement of vital signs: blood pressure, pulse, respiratory rate, oxygen saturation, temperature, and pain assessment.

Based on this assessment, the nurse applies the Canadian Triage and Acuity Scale (CTAS), a nationwide five-level system that determines the urgency of care. CTAS is used throughout Canada and is a reliable, validated tool for prioritizing patients based on the severity of their condition rather than on a first-come, first-served basis.

Level 1 (Resuscitation) — life-threatening situations: cardiac arrest, massive trauma, absence of breathing, anaphylaxis, massive bleeding. Such patients often do not wait in the hallway at all — they are immediately transported to the resuscitation room.

Level 2 (Emergent) — very urgent conditions that may threaten life or organ function: suspected heart attack, stroke, severe respiratory failure, severe chest pain, severe trauma. According to the standard, they should be examined by doctors within minutes, not hours.

Level 3 (Urgent) — serious but not critical conditions that may worsen if not treated within a relatively short time: moderate shortness of breath, severe pain, suspected pneumonia, serious infections, complex fractures.

Level 4 (Less Urgent) — less urgent conditions: minor injuries, mild infections without general severe symptoms, exacerbation of chronic diseases without significant instability.

Level 5 (Non Urgent) — minor complaints that could be resolved through a family doctor or clinic, but for some reason the patient has come to the ER: mild rashes, minor pain, repeat consultations.

The assessment usually takes a few minutes, but when the ER is busy, the nurse also does a “critical first look” — scanning the room to immediately “pull” the most serious patients out of the hallway. Once you have been assigned a CTAS level, you are either taken directly to the ward or returned to the waiting area to wait your turn, with your turn being determined not only by your time of arrival but also by your level.

This is the main reason why someone who came in after you may see the doctor earlier: their CTAS level is higher, and the risk to their health is greater.

If your condition changes while you are waiting — the pain intensifies, you experience shortness of breath, stroke symptoms, or other alarming signs — it is important to go to the triage station and tell the nurse. She has the right to reassess your level and expedite your examination by a doctor.

Waiting: why does it take so long and what happens behind the scenes

After triage, most patients with CTAS levels 3–5 return to the waiting room. At first glance, it may seem like nothing is happening there, but behind closed doors, there is a constant flow of patients between resuscitation rooms, examination rooms, laboratories, X-ray rooms, CT rooms, wards, and intensive care units.

According to Alberta Health Services and CBC reports, Edmonton's emergency departments have been operating at increased capacity for several years: the number of patients is growing, and the ability to quickly “transfer” patients from the ER to inpatient wards is limited. This means that patients remain in ER beds longer than desired, blocking space for new patients. To relieve the burden on paramedics, AHS even uses additional “mass stretchers” that are temporarily set up in reception areas until an official hospital bed becomes available for the patient.

Alberta Health Services publishes online estimated wait times for Edmonton, which are updated every two minutes. Sometimes you can see wait times ranging from three to over seven hours or more, especially in the evening and during peak periods. It is important to understand that these times are only approximate and refer to the “average” patient with a non-critical condition. Critically ill patients always see a doctor quickly, regardless of the published figures. At the same time, patients with minor complaints may have to wait longer if the ER is overwhelmed with more complex cases.

While you wait, a nurse or other staff may periodically come by to re-evaluate you, take your temperature, blood pressure, and oxygen saturation, collect tests, or send you for an X-ray before you see a doctor. This helps to “move the process along” so that the results are ready by the time you see the doctor.

Doctor's examination, diagnosis, and treatment

When a place becomes available in the treatment area, you will be taken to the appropriate part of the department, depending on the severity of your condition and your age. Large ERs usually have several areas: resuscitation (for CTAS 1), acute, rapid assessment, and fast track for milder cases. Stollery Children's Hospital has rooms, equipment, and staff specially adapted for children.

First, a nurse will ask you additional questions, check your vital signs, start an IV if necessary, and record the initial data in your medical record. Then, the emergency doctor will review your medical history, examine you, make a preliminary diagnosis, and decide what tests or examinations are needed: blood tests, ECG, X-ray, CT scan, ultrasound. All of this can take time, especially if the department is busy and the diagnostic services are also working with a queue.

After receiving the results, the doctor will come back to you, explain what has been found, and discuss a plan of action with you. The options are usually as follows: hospitalization in an inpatient department (e.g., internal medicine, surgery, cardiology); transfer to another facility (e.g., a specialized center or children's hospital); treatment in the ER itself with subsequent discharge home; referral to a specialist, family doctor, or outpatient clinic.

After that, you will be given a discharge summary with recommendations: what medications to take, when to see your family doctor, and what “red flags” should prompt you to return to the ER immediately or call 911. If you do not have a family doctor, you may be given information on how to find one.

Children's emergency departments

For children in Edmonton, the key emergency facility is Stollery Children's Hospital, located at the University of Alberta Hospital. The children's emergency department is open 24 hours a day and accepts children from all over northern Alberta and even neighboring areas. Stollery has specialized teams and equipment tailored to the needs of infants, children, and adolescents, including pediatric intensive care, pediatric cardiac surgery, and other highly specialized services.

The process for children is similar: registration, triage, waiting, doctor's examination, diagnosis, treatment. However, visually and organizationally, everything is set up to minimize anxiety for children and parents: color coding, play areas, staff who are used to working with children. Children with the most serious conditions, like adults, always see the doctor first, regardless of how long others have been waiting.

Online wait times and how to use them

Alberta Health Services publishes estimated wait times for Edmonton emergency departments on its website. These are called “Estimated Emergency Department Wait Times,” which show the approximate time from arrival to first contact with a doctor. The system is updated approximately every two minutes.

This data can be useful for understanding the overall level of ER congestion at different hospitals. For example, you can see that today the University of Alberta Hospital has a projected wait time of 7 hours, while Grey Nuns has a wait time of 3 hours. However, it is important not to take these figures literally: AHS explicitly warns that they are not a guarantee and that the situation can change very quickly, especially if several critical patients arrive at the same time.

Critically ill people (CTAS 1–2) do not wait in line for hours — they are seen first, regardless of the published “wait time.” On the other hand, for mild cases, the wait time may be even longer than indicated if many new, more serious patients have arrived at the ER during that time. For this reason, AHS and doctors constantly emphasize that the ER is primarily intended for seriously ill and injured patients, and that everyone else should first call Health Link 811 or contact their family doctor or urgent care.

Why you should know your options: Health Link, family doctor, urgent care

Because Edmonton's emergency rooms are overloaded, the province is actively promoting the concept of “Know Your Options.” The idea is that not every health problem requires a visit to the ER.

If you are unsure whether the situation is truly urgent, you should first call Health Link 811. A registered nurse will assess your symptoms over the phone and may advise you to self-treat at home, refer you to your family doctor, a pharmacy, a walk-in clinic, urgent care, or, if necessary, strongly advise you to go to the ER or call 911.

For non-urgent issues on weekdays, the best option is your family doctor or Primary Care Network (PCN), which provides continuity of care, knows your history, and can arrange referrals to specialists. Urgent care and ambulatory care centers are designed for cases that require prompt but not emergency care, such as a fracture without displacement, an infection that requires antibiotics, or an injury that requires stitches but is not life-threatening.

The ER remains the place for serious, potentially life-threatening conditions. That is why doctors and AHS are asking people with minor problems to choose alternative options so as not to overload the emergency department and increase waiting times for those who are truly critically ill.

What to expect in terms of conditions, staff, and safety

Edmonton's emergency departments are multidisciplinary spaces with teams of doctors, nurses, paramedics, respiratory therapists, radiologists, lab technicians, social workers, clinical pharmacists, and others. Everyone works together to provide maximum care in the shortest amount of time.

Patient safety is a key priority. This means infection control (masks, isolation for suspected infectious diseases such as measles, COVID, or tuberculosis), strict adherence to medication rules, patient labeling, and identification bracelets. If you suspect you have measles or another contagious infection, AHS asks that you first call a special hotline or Health Link, rather than simply coming to the ER, so as not to infect others.

Communication is another important part of the ER's work. In busy conditions and with limited resources, staff are not always able to explain every step in detail, but patients are encouraged to ask questions: what is happening, what tests are planned, how long they will have to wait, who is responsible for their case. This helps to reduce anxiety and avoid misunderstandings.

Conclusion

The emergency department in Edmonton is a complex, multi-level system designed to ensure that the most seriously ill patients receive help first and that everyone who needs urgent care is taken care of. They operate 24/7, serve patients from newborns to the elderly, and adhere to national triage standards such as the Canadian Triage and Acuity Scale.

Understanding how these hospitals work, why the wait can be long, what CTAS levels mean, and why someone else might get to see a doctor before you, allows you to view the system not as a chaotic queue, but as a structured mechanism for prioritizing lives. Knowing the alternatives — Health Link 811, family doctor, urgent care — helps reduce unnecessary trips to the ER and leaves resources for truly serious cases.

It is especially important for Ukrainians in Edmonton to remember that not having local documents or a family doctor is not an obstacle to receiving emergency care. In case of a serious health problem, you should either call 911 or go to the nearest emergency room. The system is designed to accept anyone who truly needs urgent medical care and to protect lives at the most critical moment.