ER heart scan may catch attacks earlier

NCT ID NCT06860997

First seen Apr 28, 2026 · Last updated Jun 21, 2026 · Updated 10 times

Summary

This study tested whether a simple bedside heart ultrasound measurement, called the S' wave, can help emergency doctors quickly identify acute coronary syndrome (heart attack or unstable angina) in patients with chest pain. Researchers enrolled 66 adults who came to the ER with chest pain but no clear signs of a major heart attack on their initial ECG. They compared the S' wave results with the final diagnosis made after 3 months of follow-up. The goal is to see if this quick test can improve early detection and speed up life-saving care.

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Contacts and locations

Locations

  • Cliniques Universitaires Saint-Luc

    Brussels, 1200, Belgium

What this could mean

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

Active substance

Tissue Doppler Imaging (TDI) S' Wave Echocardiography

What this could lead to

If successful, this could give ER doctors a fast, bedside tool to spot heart attacks earlier, potentially speeding up treatment.

What could go wrong

This is a small, completed observational study (66 people). The S' wave may not prove accurate enough in larger, more diverse groups, and results may not change current practice.

Conditions

The condition(s) this trial relates to.

acute coronary syndrome acute subendocardial myocardial infarction intermediate coronary syndrome myocardial infarction Non-ST Elevated Myocardial Infarction ST-elevation myocardial infarction

As listed by the trial registrant

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