Evidence map›Paper›PMID 24827794›Full record

ReviewCurrent cardiology reviews2014

Fragmented ECG as a risk marker in cardiovascular diseases.

Rahul Jain, Robin Singh, Sundermurthy Yamini, Mithilesh K Das

Open access · bronzeAbstract readReview
In one paragraph

Review in Current cardiology reviews, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed, 3 pooled it
3.4field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

49 citing papers in PubMed, 3 syntheses or guidelines pooled it, 99 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Use of fragmented QRS in prognosticating clinical deterioration and mortality in pulmonary embolism: A meta-analysis.Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc · 2018
    Pooled it
  4. Observational
  5. Article
  6. Sudden cardiac death in stable coronary artery disease: A literature review.American heart journal plus : cardiology research and practice · 2026
    Review
  7. Article
  8. Beyond the type 1 pattern: comprehensive risk stratification in Brugada syndrome.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2025
    Review
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  13. Beating the heart failure odds: long-term survival after myocardial ischemia in juvenile rainbow trout.American journal of physiology. Regulatory, integrative and comparative physiology · 2024
    Article
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  17. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Rahul Jain
Robin Singh
Sundermurthy Yamini
Mithilesh K DasKrannert Institute of Cardiology, Indiana University Health, 1800 North Capitol Avenue, Indianapolis, IN 46202, USA. midas@iupui.edu.
HealthPartners · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Various noninvasive tests for risk stratification of sudden cardiac death (SCD) were studied, mostly in the context of structural heart disease such as coronary artery disease (CAD), cardiomyopathy and heart failure but have low positive predictive value for SCD. Fragmented QRS complexes (fQRS) on a 12-lead ECG is a marker of depolarization abnormality. fQRS include presence of various morphologies of the QRS wave with or without a Q wave and includes the presence of an additional R wave (R') or notching in the nadir of the R' (fragmentation) in two contiguous leads, corresponding to a major coronary artery territory. fQRS represents conduction delay from inhomogeneous activation of the ventricles due to myocardial scar. It has a high predictive value for myocardial scar and mortality in patients CAD. fQRS also predicts arrhythmic events and mortality in patients with implantable cardioverter defibrillator. It also signifies poor prognosis in patients with nonischemic cardiomyopathy, arrhythmogenic right ventricular cardiomyopathy and Brugada syndrome. However, fQRS is a nonspecific finding and its diagnostic prognostic should only be interpreted in the presence of pertinent clinical evidence and type of myocardial involvement (structural vs. structurally normal heart).

Indexed as

ElectrocardiographyCardiomyopathiesCoronary Artery DiseaseDeath, Sudden, CardiacDefibrillators, ImplantableHeart FailureHumansPredictive Value of TestsPrognosisRisk

Identifiers

PMID24827794
PMCPMC4040879
OpenAlexW2130263926

What OpenQuestion holds

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LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.