A 45 year old lady presented with features suggestive of mononeuritis multiplex. She gives a h/o regular attacks of bronchial asthma preceded by allergic rhinitis. She also has cutaneous purpura. Blood routine examination revealed eosinophilia. The diagnosis to be considered in this clinical scenario is?
Microscopic polyangiitis Endogenous bronchial asthma Churg strauss syndrome Wegeners vasculitis