Introduction:

The pattern of “ST-segment elevation in aVR" in acute coronary syndrome is associated with increased mortality.

Objective:

To evaluate the relationship between the pattern of "ST-segment elevation in aVR" and nonlethal cardiovascular complications.

Methods:

Observational cross-sectional study, with analytical component of all patients admitted with non-ST-segment elevation acute coronary syndrome at the "Manuel Fajardo" University Hospital of Havana between 2016 and 2020.

Results:

Female gender predominated in the first group, with an average age of 78 years. There was incidence of ischemic heart disease (75% and 56.4%) and arterial hypertension (78.8% and 85.8%). A significant statistical relationship was determined between the pattern with ST-segment elevation in aVR and cardiovascular complications with a relative risk of 5.769 times.

Conclusions:

ST-segment suprathreshold pattern in non-ST-segment elevation acute coronary syndrome predicts non-lethal in-hospital cardiovascular complications.

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