Abstract

A wide QRS tachycardia was repeatedly triggered during transthoracic echocardiographic examination in a critically ill premature infant with bilateral chest tubes. The left-sided tube was anterior to the heart. The arrhythmia was not induced after removal of the chest tubes at the follow-up ultrasonographic evaluation. Compression of the thoracic wall and chest tube, and subsequently the heart, by the ultrasound transducer is postulated as the cause for this wide QRS tachycardia.

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