The mnemonic
Mees, Rain, Garlic
What each word stands for
- MeesMees' lines on nails
- RainRaindrop pigmentation of skin
- GarlicGarlic odour of breath
Why it matters clinically
Directs toward arsenic in a patient with skin and nail changes.
Where it stops being reliable
Mees' lines also appear with other heavy metals, and this omits neuropathy and keratoses.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.