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Vol. 73. Issue 8.
Pages 663 (August 2020)
ECG Contest
DOI: 10.1016/j.rec.2019.12.018
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ECG, August 2020
ECG de agosto de 2020
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Martín Ibarrola
Centro Cardiovascular BV, Buenos Aires, Argentina
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Rev Esp Cardiol. 2020;73:76810.1016/j.rec.2019.12.019
Martín Ibarrola
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An 8-year-old boy attended the clinic for assessment of a murmur. He played football 3 times a week and was asymptomatic, with no personal or family history of interest. His blood pressure was 90/50mmHg. S1 and S2 were normal while S3 and S4 were absent. He had a 2/6 systolic murmur in the aortic area, without radiation.

What is the interpretation of the electrocardiogram recorded (figure 1)?

  • 1.

    Sinus bradycardia with short PR. Physiological adaptation to exercise

  • 2.

    Negative T waves are not normal until V4 and he presented prolonged QTc

  • 3.

    Complete atrioventricular block

  • 4.

    Isorhythmic atrioventricular dissociation of physiological origin, given the patient plays sports

Figure 1
(0.58MB).

Submit your answer to http://www.revespcardiol.org/en/electroreto/73/08. The answer will be published in the next issue (September 2020). #RetoECG.

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