Francisco R. Breijo-Márquez

East Boston Hospital, USA

Title: Breijo’ s Pattern: Incidence in a southeastern region of Spain

Abstract

The decrease of the cardiac electrical systole-short PR and QTc intervals in the same electrocardiogram, also known as "Electrocardiographic Breijo Pattern"-is increasingly studied by several authors. The vast majority of the time, it can be overlooked in an electrocardiogram tracing. People who had this kind of electrocardiographic pattern had also suffered from a wide variety of symptoms. Nocturnal tachycardias, dizziness, seizures, and unexplained syncopal accesses were the main symptoms common to all patients. More than 12.700 cases have been studied and cross-checked by our research team so far. Its diagnosis is indispensable in eluding of the most heartbreaking consequence: avoidable death. Despite the fact that for many authors, the cardiac electrical systole comprises only from the beginning of the Q wave to the end of the T wave-that is, depolarization and repolarization of the ventricles, the atria are also part of it. Consequently, the P wave, as well as the PR segment, must be a part of the electrical cardiac systole. When there is a shortening of the PR interval along with a shortening of the QT interval, we should talk about: Decrease of cardiac electrical systole.

Alterations in the cardiac electrical system are the cause of morbidity and a wide variety of symptoms – from mild to those requiring urgent intervention – because of the risk of sudden cardiac death. The most prevalent of these types of electrical disturbances is atrial fibrillation, the incidence of which is growing as the average age of the human being increases. Among many other electrical heart alterations is one I describe in this document: "The presence of short PR and QTc intervals together in the same ECG tracing”. Methods: A cardiac calibrator was used by four different cardiologists in blinded fashion to document a distinct ECG pattern, that of a short PR and QTc intervals together in the same ECG tracing from more than 2.500 cases assessed for this condition (more than two thousand five hundred cases evaluated since 2.007 to date). Results: Here we describe the clinical features of 330 patients with a documented short PR and QTc intervals together in the same ECG tracing along with descriptions of their symptoms and ancillary investigations. Conclusions: ECG tracing must be studied carefully in patients with suggestive symptoms before declaring normal an ECG tracing with certain defined characteristics.

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GLOBAL SUMMIT ON CARDIOLOGY AND CARDIO CARE

NOVEMBER 30- DECEMBER 01, 2023 | DUBAI, UAE

Francisco R. Breijo-Márquez

Title: Breijo’ s Pattern: Incidence in a southeastern region of Spain

Abstract

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