Michalis Efremidis

Consultant Cardiologist in the Electrophysiological Laboratoy

Evangelismos General Hospital in Athens


Wide QRS Complex Supraventricular Tachycardia with Negative Precordial Concordance

Loukas Pappas, Michalis Efremidis, Konstantinos P Letsas,

Citation: American Heart Hospital Journal 2009;7(1):67–8

Atrial Fibrillation in Heart Failure Patients

Michalis Efremidis, Loukas Pappas,

Citation: European Cardiology 2009;5(1):41–5