• Hellenic Heart Foundation (ELIKAR)
• European Society of Cardiology
• In Circulation (this site contains recent information on the hot topics in cardiology and major conferences)
• American Society of Nuclear Cardiology
• American Society of Echocardiography
• Free MEDLINE
• CARDIOLOGY COMPASS (A guide for navigation to cardiovascular resources).
• Heartinfo (An interesting site dedicated to empowering individuals and fostering a dialogue between individuals and their physicians)
• MEDSCAPE CARDIOLOGY (Interesting topics in Cardiology with emphasis in current literature, leading opinions, Conference Summaries and CME)
• Hellenic Cardiological Society (news from the Hellenic Cardiological Society)
• Cardiology Online (Reviews of clinical trials, CME in cardiology, cardiology in the media, calendar of conferences and events, current contents of journals, fulltexts eccetera)

Cardiology journals

• Circulation
• Clinical Cardiology
• European Heart Journal
• JACC