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A check of LFTs is reasonable to ensure no evidence of hepatic congestion from the CCF (although no evidence of hepatomegaly on examination), and also to check Mrs Doherty’s albumin level given her peripheral oedema.

Bilirubin 6 µmol/L (normal range <20 µmol/L)

ALT 32 U/L (normal range <30 U/L for adult females)

ALP 63 U/L (normal range 35-135 U/L)

GGT 40 U/L (normal range <40 U/L for adult females)

Albumin 34 g/L (normal range <30 g/L)