All are causes of rapidly progressive glomerulo nephritis EXCEPT
High-Yield Explanation
(Rheumatic arthritis) (977 - R) (691 - HM) (557-Basic pathology 8th)FeaturesType -I RPGN(Anti GBM disease)Type II RPGN(Immune complex)Type III RPGN(Pauci immune GN)1. Clinical syndromeNephriticNephriticNephritic2. Pathogenetic typeAnti GBMImmune complexPauci immune3. ImmunofluorescenceLinear Ig and C3Granular Ig and C3Sparse or absentIg and C34. Serological markersi) Serum C3 levelii) Anti - GBM antibodyiii) ANCANormalPositiveNegativeLow to normalNegativeNegativeNormalNegativePositive5. Underlying causeIdiopathicGood pasture's syndrome SLE, wegner's granulomatosis, H.S purpuraIdiopathicPost infections (post streptococcal) GNIdiopathic* PAN* Wegner's granulomatosis