Unrecognised myocardial infarction in subjects at high vascular risk

The authors' reply:

“…As mentioned by Dr Jolobe,2 previous studies have indeed reported an association between left bundle branch block (LBBB) and myocardial infarction. In our study in subjects at high cardiovascular risk without symptomatic coronary artery disease, only 1% of subjects had LBBB on the ECG at the time of inclusion.…”