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DBpedia 2016-04

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Matches in DBpedia 2016-04 for { ?s ?p "Cardiac tamponade, also known as pericardial tamponade, is a type of pericardial effusion in which fluid, pus, blood, clots, or gas accumulates in the pericardium (the sac in which the heart is enclosed), resulting in slow or rapid compression of the heart.Cardiac tamponade is pressure on the heart muscle which occurs when the pericardial space fills up with fluid faster than the pericardial sac can stretch. If the amount of fluid increases slowly (such as in hypothyroidism) the pericardial sac can expand to contain a liter or more of fluid prior to tamponade occurring. If the fluid effusion occurs rapidly (as may occur after trauma or myocardial rupture) as little as 100 mL can cause tamponade.Myocardial rupture is a somewhat uncommon cause of pericardial tamponade. It typically happens in the subacute setting after a heart attack, in which the infarcted muscle of the heart thins out and tears. Myocardial rupture is more likely to happen in elderly individuals without any previous cardiac history who suffer from their first heart attack and are not revascularized either with thrombolytic therapy or with percutaneous coronary intervention or with coronary artery bypass graft surgery.One of the most common settings for cardiac tamponade is in the first 24 to 48 hours after heart surgery. After heart surgery, chest tubes are placed to drain blood. These chest tubes, however, are prone to clot formation. When a chest tube becomes occluded or clogged, the blood that should be drained can accumulate around the heart, leading to tamponade. Nurses will frequently clear clots from the tubes, but even with these efforts chest tubes can become clogged."@en }

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