Compared with the landmark technique, ultrasound guidance was associated with an increased first-attempt success rate, a reduced number of puncture attempts, and fewer complications during central venous catheter placement in critically ill children.

Most of the patients with SVT episodes require treatment with more than 1 dose of adenosine. Doses higher than the usually described in the guidelines are necessary to revert SVT. Most patients can be discharged home from the emergency department, without the need of hospital admission.

Patients with sepsis and multiorgan failure, especially those with nosocomial infection or the presence of neutropenia or purpura, have a worse prognosis and should be monitored and treated early.

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