Chrisovalantis Kefalidis

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A 40-year-old man presented to our hospital with palpitations. His ECG at admission showed a narrow QRS (<120 ms) tachycardia with right bundle branch block (RBBB) and left anterior hemiblock (LAH; . Fig. 1). The patient was hemodynamically stable (BP 110/75 mmHg). His past medical history included similar episodes that were treated with intravenous(More)
In this paper a synchronous computer supported collaborative learning tool called SyCo is presented. It was designed to facilitate students in performing tasks according to the principles of various collaborative learning strategies, such as Jigsaw and eARMA. SyCo innovates because during the collaborative learning process it allows each student to have a(More)
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