Robert Siegel

IntroductionPericardiocentesis is a procedure wherein fluid in the pericardium is aspirated. Fluid aspiration is necessary to relieve the pressure on the heart or to analyze the fluid surrounding the heart. When long term drainage is necessary, a cardiothoracic surgeon will create an opening in the ...

IntroductionAneurysms and dissections are potentially life-threatening conditions in which a blood vessel becomes compromised. An aneurysm is an enlargement of the vessel which can burst and cause internal bleeding, while a dissection is a tear or branch in a vessel wall through which blood can flow...

IntroductionTricuspid regurgitation (TR) is a disorder in which the tricuspid valve does not close tightly enough, causing blood to flow backward into the right atrium when the right ventricle contracts. In the U.S. alone, 1.6 million patients are estimated to have TR. If left untreated, TR can lead...