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Table 5 Renal crisis classification

From: A rare presentation of micro-angiopathic haemolytic anaemia in a critically ill patient: a case report

1. New onset hypertension (>150/85 mmHg)

2. Decrease in eGFR (>30%)

Plus any of the following corroborative features:

MAHA on blood film

New onset RBCs in urine (excluding other causes)

Flash pulmonary oedema

Retinopathy typical of acute hypertensive crisis

Oliguria or anuria

Renal biopsy showing characteristic changes (accumulation of mucin in interlobular arteries - indistinguishable from accelerated hypertension - and fibrinoid calcinosis of arterioles)

  1. Modified slightly from original and kindly reprinted with permission [11].
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Cases Journal

ISSN: 1757-1626