Rev Esp Cardiol
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Two patients admitted to hospital because syncope and chest pain are presented. In both patients, hyperventilation test caused severe myocardial ischaemia (ST segment elevation) and sudden development of presyncopal sustained ventricular tachycardia which immediately responded to intravenous nitroglycerin. The relationship between coronary vasospasm and sudden death secondary to polymorphic ventricular tachycardia is discussed. Also, the usefulness of the hyperventilation test to detect this problem and to monitor its therapeutic response is addressed.
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Case Reports
[Aortic prosthetic endocarditis and periprosthetic abscess caused by Staphylococcus aureus].
Prosthetic endocarditis with annular abscess formation is a severe complication of cardiac valve replacement fortunately uncommon, though highly lethal. Increasing surgical experience and the high mortality with medical management have led to a widespread recommendation for early prosthetic replacement. We report a case of a 49 year old man with infective endocarditis due to Staphylococcus aureus in aortic ascendens prosthetic and aortic valve prosthetic complicated with periaortic abscess which was as successful treatment by drain of abscess without prosthetic replacement.
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Ischemic pain relief and survival are the targets of the revascularization treatment in angina pectoris. The authors describe the clinical and anatomic indications for revascularization in angina and the reasons for the election between surgery and percutaneous transluminal coronary angioplasty.
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Review Case Reports
[Cardiac tamponade with the absence of a paradoxical pulse. The practical utility of echocardiography].
A patient with cardiac tamponade but without hypotension and pulsus paradoxus is reported. In this patient, echocardiography confirmed the diagnosis of cardiac tamponade, showing diastolic collapse of the right ventricle and also the presence of an atrial septal defect (ostium secundum) that explains the absence of pulsus paradoxus. The role of echocardiography in those rare clinical situations that in the presence of cardiac tamponade showed no pulsus paradoxus are discussed.