Chennai. Major heart disorders which are cured in Chennai include Arrhythmia, Syncope (temporary unconsciousness), and Vascular diseases. Cardiology hospital like Apollo Hospitals - Chennai have gained huge consideration because of their contribution in medical field. Chennai has become one of the ultimate destination for best cardiology hospitals in the country. Reviews given by patients for treatment in these hospitals in Chennai are satisfying. For treatment of heart related diseases, specific hospitals are available in Chennai.