Resumo

DIAZ, Wilmar Alberto et al. Descriptive study about atrio-ventricular blockades in Hospital de Caldas ESE, 1999-2002. Colomb. Med. [online]. 2005, vol.36, n.3, pp.173-178. ISSN 1657-9534.

INTRODUCTION: Acute myocardial infarction (AMI) is both a global and a national public health problem deserving prevention, diagnosis and opportune treatment. The myocardial infarction inferior wall has among its complications the atrial ventricular heart block (AVhb) with several presentations. MATERIALS AND METHODS: The present is a descriptive/retrospective study carried out in the «Hospital de Caldas ESE», through the analyses of patients’ clinical records from 1999 to 2002, with inferior wall acute myocardial infarction. The variables age, sex, consumption of alcohol, tobacco, and sedentary were evaluated in the clinical records. Also the presence or absence of previous diseases like arterial hypertension, diabetes mellitus, dyslipidemias and previous acute myocardial infarction ( AMI) as well as the time of appearance of the AVhb before or after 24 hours. RESULTS: A significant association between frequency of AVhb, age (p=0.017) and previous AMI (p=0.001) was found. It was not found significant association between AMI risk factors and the appearence of the AVhb, except a possible, not too clear, relationship to arterial hypertension (p=0.176), that must be explored in further studies. A frequency of 32.7% in the appearence of AVhb, within the inferior face AMI, was found. The 77.1% of AVhb, appears in the first 24 hours. CONCLUSIONS: Patients suffering an inferior wall AMI with more than 65 years old, should at least have permanent EKG monitories during the first 24 hours after the accident. Every patient having a previous AMI must be included in a closer clinical and EKG monitoring group

Palavras-chave : Acute myocardial infarction; Atrial-ventricular block; Risk factors; Electrocardiographic monitoring.

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