A 30 year old man had an acute anterolateral myocardial infarction fol
lowing which he developed unstable angina requiring percutaneous trans
luminal coronary angioplasty. He subsequently developed further angina
with recurrence of coronary artery lesions that were reversed by intr
acoronary nitrate. A diagnosis of prinzmetal (vasospastic) angina was
made and this had been the apparent cause of his myocardial infarction
. Be was treated with a calcium antagonist and an oral long acting nit
rate with resolution of symptoms. He remained well and symptom free, a
nd was reviewed in the outpatient clinic six weeks after discharge wit
hout problems.