Blood

Blood:
Should be no blood or trace amounts.
Presence of RBC’s (haematouria)  urinary tract infection; SLE; polyarteritis nodosa; trauma
Presence of free haemoglobin (haemoglobinuria)  burns; glomerulonephritis; crush injury
Presence of myoglobin (myoglobinuria)  muscle trauma; muscular dystrophy

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