PR and QT intervals short on the same electrocardiogram

Francisco R Breijo-Márquez*

Published: 07 April, 2020 | Volume 4 - Issue 1 | Pages: 001-004

In 2007, Professor Breijo-Márquez described an electrocardiographic pattern, consisting of the presence of a short PR interval (or PQ) together with a short QT interval in the same individual. It was published with the headline “Decrease in cardiac electrical systole” in International Journal of Cardiology (IJC) [1].

Read Full Article HTML DOI: 10.29328/journal.avm.1001010 Cite this Article Read Full Article PDF


Hemoglobinuria; Breijo’s electrocardiographic model; PR-interval; QT-interva; Arrhythmia. Cardiac Arrest; Sudden cardiac death


  1. Breijo-Marquez FR. Decrease of electrical cardiac systole. Int J Cardiol. 2008; 126: e36–e38. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/18374433
  2. Ward DE, Bexton R, Camm AJ. Characteristics of atrio-His conduction in the short PR interval, normal QRS complex syndrome. Evidence for enhanced slow-pathway conduction. Eur Heart J. 1983; 4: 882-888. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/6662116
  3. Gollob MH, Redpath CJ, Roberts JD. The short QT syndrome: proposed diagnostic criteria. J Am Coll Cardiol. 2011; 57: 802-812. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/21310316
  4. Bjerregaard Preben, Gussak Ihor. Short QT Syndrome Electrical Diseases of the Heart 2013. Springer London. 569–578.
  5. Gussak I, Brugada P, Brugada J, Wright RS, Kopecky SL, et al. Idiopathic short QT interval: a new clinical syndrome?. Cardiology. 2000; 94: 99-102. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/11173780
  6. Antzelevich Charles, Burashnikov Alexander. Mechanisms of Cardiac Arrhythmias. Electrical Diseases of the Heart 2013. Springer London. 93–128.
  7. Breijo-Márquez FR, Ríos MP, Baños MA. Presence of critical stenosis in left anterior descending coronary artery alongside a short "P-R" and "Q-T" pattern, in the same electrocardiographic record. J Electrocardiol. 2010; 43: 422-424. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/20392452
  8. Breijo-Marquez FR. A Breijo Pattern Associated to a Wolff-Parkinson-White Pattern. J Cardiol Curr Res. 2016; 5: 00161.
  9. Breijo-Márquez FR. Sudden cardiac death in a young adult diagnosed with Tietze syndrome. Rev Soc Esp Dolor. 2009; 17: 99-103.


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