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ER CT scan could keep heart patients out of hospital

NCT ID NCT07002450

Diagnosis Sponsor: Ottawa Heart Institute Research Corporation Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a special CT scan done in the emergency department can quickly check for blood clots in people with atrial fibrillation or atrial flutter. If no clot is found, doctors can proceed with a procedure to restore normal heart rhythm (cardioversion) right away. The goal is to see if this approach reduces hospital admissions and repeat ER visits compared to the usual care. About 190 adults with symptomatic atrial fibrillation who need heart imaging before cardioversion will take part.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Cardiac computed tomography angiography (CCT)
What this could lead to
If successful, this approach could allow more patients with atrial fibrillation to be treated quickly in the emergency department without being admitted to the hospital.
What could go wrong
This is a relatively small, early-stage trial (190 participants) testing a diagnostic strategy, not a treatment. The CT scan involves radiation and contrast dye, which carry their own risks.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 190 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2025

Expected to finish

Jun 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Age ≥18 years old; and 2. Primary symptomatic AF without a reversible underlying cause (e.g. sepsis, pneumonia, pulmonary embolism, hyperthyroidism) 3. LA imaging required before cardioversion according to local clinical practice guidelines Exclusion Criteria: 1. Patients with an indication for emergency cardioversion (e.g. hemodynamic instability (systolic blood pressure\<90mmHg or signs of shock), cardiac ischemia (ongoing severe chest pain or marked ST depression on ECG \>2mm), or pulmonary edema (significant dyspnea, crackles, or hypoxia)); or 2. Contraindication to CCT (renal insufficiency (eGFR\< 45ml/min/1.73m2), allergy to intravenous contrast agents, pregnancy (contraindications to radiation exposure), or inability to perform 20-second breath-hold)

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Conditions

The condition(s) this trial relates to.

atrial fibrillation atrial flutter

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Atrial fibrillation (AF) Atrial flutter

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    3 sites in 2 countries. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Penn State Health Milton S. Hershey Medical Center

    RECRUITING

    Hershey, Pennsylvania, 17033, United States

  • Sunnybrook Health Sciences Centre

    RECRUITING

    Toronto, Ontario, M4N 3M5, Canada

  • The Ottawa Hospital Civic Campus

    RECRUITING

    Ottawa, Ontario, K1Y 1J8, Canada

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