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