A 63-year-old woman had chest pain that worsened when nifedipine was given. She was found to have a right coronary-to-thorax angioma/fistula. Acute nifedipine administration elicited precordial symptoms, associated with ischemic changes in the inferior ECG leads and an obvious vasodilatation of the fistulous tract, suggesting that a nifedipine-induced "steal" phenomenon might be responsible for the paradoxic clinical response.
Elicitation of myocardial ischemia by nifedipine in a case of coronary artery fistula / P. Montorsi, A. Bartorelli, F. Garbagnati. - In: CHEST. - ISSN 0012-3692. - 95:3(1989 Mar), pp. 702-4-704.
Elicitation of myocardial ischemia by nifedipine in a case of coronary artery fistula
P. MontorsiPrimo
;A. BartorelliSecondo
;
1989
Abstract
A 63-year-old woman had chest pain that worsened when nifedipine was given. She was found to have a right coronary-to-thorax angioma/fistula. Acute nifedipine administration elicited precordial symptoms, associated with ischemic changes in the inferior ECG leads and an obvious vasodilatation of the fistulous tract, suggesting that a nifedipine-induced "steal" phenomenon might be responsible for the paradoxic clinical response.
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