Cardiac crisis avoided courtesy of a clued-in GP

Xie is a 41-year-old regular practice patient who attends for results of recent routine blood tests.
She has a history of diet-controlled gestational diabetes mellitus in her second pregnancy five years ago and has been attending for routine metabolic surveillance checkups, as recommended, every two years since.
She is otherwise well, a lifelong non-smoker, with a BMI of 26 and no other medical history of note. She takes no regular medications and for contraception her partner had a vasectomy. Her father had an AMI at the age of 67.
The pathology results show her HbA1c is 5.2%, total cholesterol is 6.6mmol/L (normal 3.9-5.5), LDL 4.9mmol/L (normal 1.7-3.5), HDL 2.0mmol/L (normal 1.7-3.5).