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Table 1 Differential diagnoses of the case

From: Hydralazine-induced antineutrophil cytoplasmic antibody-associated vasculitis with pulmonary–renal syndrome: a case report

Differential diagnoses

Hydralazine-induced ANCA-associated vasculitis with pulmonary–renal syndrome

Acute heart failure with pulmonary edema and cardiorenal syndrome

Acute renal failure with pulmonary edema and uremic hemoptysis

Respiratory tract infection with prerenal renal failure and/or postinfectious GN

Systemic lupus erythematosus

Cryoglobulinemic vasculitis

  1. ANCA antineutrophil cytoplasmic antibody, GN glomerulonephritis