Diagnostic performance of the fragmented QRS complex on electrocardiogram for detecting myocardial scars assessed by 3.0 Tesla cardiac magnetic resonance imaging

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20240325003

Enrollment

333

Registered

2024-03-25

Start date

2020-05-01

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

diagnostic accuracy of fragmented QRS complex for predicting myocardial scars detected by 3.0-tesla cardiac magnetic resonance imaging Fragmented QRS

Interventions

as defined by Das MK., 2006, refers to the presence of specific characteristics in the QRS complex of the EKG. It is characterized by the presence of an additional R wave or notching in the nadir of t

Screening,Screening

Fragemented QRS ,No fragemented QRS

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1) Patients aged 18 years or older.2) Patients suspected or diagnosed with structural heart disease.

Exclusion criteria

Exclusion criteria: 1) Patients with a recent myocardial infarction within 30 days.2) Patients with pre-excitation syndrome.3) Patients who received cardiac MRI with poor image quality.

Design outcomes

Primary

Measure	Time frame
diagnostic accuracy at the beginning of the study presence of LGE by CMR	—

Secondary

Measure	Time frame
diagnostic accuracy in ischemic and non-ischemic scars at the beginning of the study presence of LGE by CMR	—

Countries

Thailand

Contacts

Public ContactKasin Viriyanukulvong

Faculty of Medicine, Chulalongkorn University

sin.viri@gmail.com0831740867

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026