PSAGN for short. Develops 7-14 days post streptococcal pharyngitis, longer if pyoderma.
Classic presentation is with acute nephritis viz
which leads to fluid overload. But can be milder eg microscopic haematuria without oliguria.
Microscopic haematuria may persist 1yr+. Acute severe hypertension can present with symptoms of visual impairment, headache, encephalopathy. Treat with labetolol or nitroprusside infusion.
Insensible losses = 400ml/m2/d.
Less than 2% have long term haematuria or hypertension.