Atypical Presentation of Microscopic Polyangiitis with Pericarditis Manifesting as Right-Sided Heart Failure.
Microscopic polyangiitis (MPA) is an ANCA-associated vasculitis that affects multiple organs. However, cardiac involvement is rare in these patients. We herein report a rare case of MPA presenting with marked peripheral edema and weight gain due to acute pericarditis with borderline tamponade physiology and possible ef...