Echinoderm mass mortality events shape marine ecosystems by altering the dynamics among major benthic groups. The sea urchin , virtually extirpated in the Caribbean in the early 1980s by an unknown cause, recently experienced another mass mortality beginning in January 2022. We investigated the cause of this mass mortality event through combined molecular biological and veterinary pathologic approaches comparing grossly normal and abnormal animals collected from 23 sites, representing locations that were either affected or unaffected at the time of sampling.
View Article and Find Full Text PDFInadvertent opening of the right ventricle may occur during dissection of an intracavitary artery. Two patients with stenotic intracavitary left anterior descending arteries were operated on. A right ventriculotomy was performed in the operation.
View Article and Find Full Text PDFThis is a case report of a twenty-two-year-old woman who had attacks of ventricular tachycardia that could be prevented by the use of various antiarrhythmic drugs for three months. Electrophysiologic study showed that the mechanism of the tachycardia was "reentry." In cardiac catheterization a non-contractile mass having calcification was seen on the apical portion of the left ventricle.
View Article and Find Full Text PDFJ Cardiothorac Vasc Anesth
December 1991
J Cardiovasc Surg (Torino)
August 1984
Cardiac tamponade due to chylous fluid following open heart surgery in a 41-year-old man, is presented. To our knowledge, this is the fourth reported case in the English literature. Treatment included aspiration of the chylous fluid through a subxiphoid incision and creation of a fistula between the pericardium and peritoneum to prevent the loss of chylous fluid.
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