Fig. 2From: Acute coronary syndromes occurring while driving: frequency and patient characteristicsTwenty-four-hour day was divided into four time zones (6–12, 12–18, 18–0, and 0–6 h) and whether ACS while driving was more likely to occur in the specific time zone investigated. Fifty-four percent of driving-related ACS had occurred in the morningBack to article page