Wellens’ Sign and Syndrome Detected With the Home Use of a Novel 12-Lead Electrocardiogram

Q: What is the clinical evidence from this study?

Study design: Case Report. Population: Wellens' Syndrome and proximal left anterior descending artery stenosis (n=1). Intervention: Kardia 12L AI-enabled reduced-lead ECG device vs. Standard 12-lead ECG. Primary outcome: Detection of Wellens' sign and antero-lateral ischemia.

Q: What does this research mean for the field?

A portable, artificial intelligence-enabled 12-lead ECG device can detect high-risk ischemic patterns like Wellens' sign in home settings, facilitating timely clinical intervention. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

D.J. Albert; Stavros Stavrakis

doi:10.1016/j.jaccas.2026.109186

July 1, 2026JACC Case ReportsOpen Access

Wellens’ Sign and Syndrome Detected With the Home Use of a Novel 12-Lead Electrocardiogram

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Key result

A novel AI-enabled, reduced-lead 12-lead ECG device successfully detected Wellens' Type A Sign in a nonclinical setting, facilitating timely intervention for critical coronary artery disease.

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Key Points

Document the identification of critical coronary artery stenosis in an asymptomatic individual outside a clinical environment using a novel, artificial intelligence–enabled electrocardiogram device.
A 57-year-old man who experienced transient exertional chest discomfort 48 hours prior underwent home electrocardiography using the Kardia12L, a portable platform using 5 electrodes to synthesize a 12-lead electrocardiogram via deep learning algorithms.
The home recording was reviewed remotely, and findings were corroborated via standard emergency department 12-lead electrocardiography, high-sensitivity troponin assays, and invasive coronary angiography.
The home device identified Wellens' Sign Type A with biphasic T waves in anterior precordial leads, identical in visual morphology and algorithmic interpretation of antero-lateral ischemia to the standard hospital electrocardiogram.
Hospital evaluation confirmed acute myocardial injury with a high-sensitivity troponin level of 2,665 ng/L and catheterization demonstrated 80% proximal and 80% mid left anterior descending artery stenoses, which were successfully treated with 2 drug-eluting stents.

Study Design

Type

Case Report (n=1)

Structured PICO

P

Population

A 57-year-old asymptomatic man with no previous cardiac history who had experienced recent transient chest pain.

I

Intervention

Home recording of a 12-lead electrocardiogram using the Kardia 12L, an artificial intelligence-enabled, 5-electrode pocket-sized device that reconstructs a standard 12-lead ECG.

O

Outcome

Detection of antero-lateral ischemia (Wellens' Sign Type A) leading to timely diagnosis and percutaneous coronary intervention.

Limitations

Cost-effectiveness of the device has not been systematically evaluated

Implication

A novel AI-enabled, reduced-lead home ECG device successfully detected Wellens' syndrome in an asymptomatic high-risk patient, facilitating timely intervention for critical LAD stenoses.

Abstract

BACKGROUND: Wellens' sign is a high-risk electrocardiogram (ECG) pattern associated with proximal left anterior descending artery stenoses and high risk of major adverse cardiovascular events. EARLY REPORTS SUMMARY: A man with transient chest pain remained asymptomatic including with exertion for 48 hours. His friend performs a home 12-lead ECG using a novel, artificial intelligence-enabled device that showed a classic Wellens' Sign Type A, and the man went to a hospital and subsequently received 2 stents in his proximal left anterior descending artery. DISCUSSION: The Kardia12L is a Food and Drug Administration-cleared, pocket-sized ECG device that generates an interpreted 12-lead ECG. Devices like Kardia 12L can lead to diagnosis of cardiovascular disease from home and improve outcomes. NOVELTY: This case highlights the utilization of novel technology to facilitate accurate diagnosis. TAKE-HOME MESSAGES: This case illustrates Wellens' Type A Sign and Syndrome in an asymptomatic patient with a history of chest pain. New technology enables the recording of a diagnostic ECG in high-risk patients anywhere.

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Cite This Study

Albert et al. (2026) conducted a case report in Wellens' Syndrome and proximal left anterior descending artery stenosis (n=1). Kardia 12L AI-enabled reduced-lead ECG device vs. Standard 12-lead ECG was evaluated on Detection of Wellens' sign and antero-lateral ischemia. A novel AI-enabled, reduced-lead 12-lead ECG device successfully detected Wellens' Type A Sign in a nonclinical setting, facilitating timely intervention for critical coronary artery disease.

synapsesocial.com/papers/6a7470b46a5eb4b8f5090c7c https://doi.org/10.1016/j.jaccas.2026.109186

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Wellens’ Sign and Syndrome Detected With the Home Use of a Novel 12-Lead Electrocardiogram

Figures

Key Points

Study Design

Structured PICO

Limitations

Implication

Abstract

Discussion

Cite This Study

Wellens’ Sign and Syndrome Detected With the Home Use of a Novel 12-Lead Electrocardiogram

Figures

Key Points

Study Design

Structured PICO

Limitations

Implication

Abstract

Discussion

Cite This Study

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