<prompt> This patient, previously healthy, came now with dyspnoea and low grade fever since 4 months. His lungs are clear. JVP is normal. ECG showed low voltage complexes. What is the possible diagnosis?Tuberculous pericardial effusionRheumatic Mitral stenosisSyphilitic Aoic aneurysmHyperophic cariomyopathy  <response>: . 