[Evaluation of a nursing approach in the care of a patient with a depressive tendency].
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Biomedical subjects
Publications and source records attributed to M Namura.
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Complete atrioventricular block following radiation is very rare. We present a case which developed after radiation therapy for malignant thymoma. The etiology of conduction disturbances due to radiation is unknown. In our case, serial electrocardiograms showed stepwise progression of the conduction disturbance, and His bundle electrocardiograms revealed new prolongation of the H-V interval. Endomyocardial biopsy specimens demonstrated occlusion in small arteries and diffuse degenerative changes in the myocardium. We therefore attributed the complete atrioventricular block in our patient to secondary damage to the conduction system, caused by radiation-induced occlusive changes in the small arteries supplying the conduction system.
A 58-year-old man with left atrial myxoma complicated with acute myocardial infarction is presented. On coronary arteriography, 50% stenosis and a saccular aneurysm was found just below the stenosis at segment 1 of the right coronary artery. Ergonovine provocation study was negative. It was proposed that the myocardial infarction probably was caused by coronary embolization from the left atrial myxoma.
An increasing number of drugs have been implicated in the etiology of eosinophilic pneumonia characterized by the development of pulmonary infiltrates, and peripheral blood eosinophilia. Naproxen is a commonly used nonsteroidal anti-inflammatory drug which may be added to the growing list of pharmacologic agents associated with infiltrative pulmonary lesions. A case of eosinophilic pneumonia induced by Naproxen is described. The results of TBLB, a lymphocyte stimulation test, and a challenge test supported this diagnosis.