Why the study?
Do clinical symptoms of MI and prehospital delay times differ between Black and White patients?
Do clinical symptoms of MI and prehospital delay times differ between Black and White patients?
Black patients with acute MI are more likely to present with atypical symptoms like dyspnea and fatigue and experience longer prehospital delays compared to White patients.
May warrant clinician awareness of atypical MI symptoms in Black patients; leaves open whether differences persist after confounder adjustment.
This study was designed to increase our understanding of the clinical symptoms of myocardial infarction (MI) and the response to symptoms by patients with MI in order to improve the clinical management of MI. A comparative and correlational design was used. The sample consisted of 132 patients over the age of 30 who were diagnosed with an acute MI. All subjects were recruited by convenience sampling. Demographic data were collected by questionnaire; a semistructured interview obtained information on delay time and the context at the onset of acute clinical symptoms; and medical record review was used to collect data on clinical characteristics. The questionnaires and interview were administered at 24 to 72 hr after admission, and the medical record was reviewed during hospitalization and after discharge. Black MI patients experienced symptoms of dyspnea and fatigue significantly more often than White MI patients. The mean prehospital delay time was also significantly longer for Black MI patients (p .05). Our findings indicate that Blacks more often experience atypical symptoms of MI and prolonged delays in seeking treatment for MI. Further exploration of the factors involved in delays and the relationships between types of symptoms and delay time are needed.
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Lee et al. (1998) studied this question.
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