Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2
Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2
CHAPTER Left Ventricular Systolic FunctionEric w. Nelson13For some reason there is a lot of focus on the left ventricle and its evaluation on TEE. bot Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2th in the operating room and on the boards. This most likely has to do with the fact that it’s pumping blood to the entire body, thus keeping you alive. The easiest way to start your evaluation of the left ventricle is to know what a normal left ventricle looks like.The shape of the LV should look s Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2omewhat like a football. If you drop a TEE probe in someone and the heart is closer to a basketball than a football. something is wrong.So. now you knEbook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2
ow how to eyeball the heart and tell grossly if it’s normal or not, but what about an actual measurement? LV function is typically measured numericallCHAPTER Left Ventricular Systolic FunctionEric w. Nelson13For some reason there is a lot of focus on the left ventricle and its evaluation on TEE. bot Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2 fractional area of change (FAC) of the left ventricle. A true long- or short-axis cross section is required being careful not to foreshorten. Foreshortening is a term commonly used by echocardiographers to describe the heart when it is compressed because of the viewpoint taken. With modern TEE mach Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2ines all you have’23124Board StifFTEEto do is outline the end-diastolic area and the end-systolic area and the machine will crunch the numbers.FAC = (Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2
end-diastolic area - end-systolic area)/end-diastolic areaYou can also estimate EF via the eyeball method, which is what most people do. On the test yCHAPTER Left Ventricular Systolic FunctionEric w. Nelson13For some reason there is a lot of focus on the left ventricle and its evaluation on TEE. bot Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2r using the eyeball method or doing an actual measurement is don't jump to conclusions based on one view. A single slice may look great, but remember it’s only part of the heart and another part may not look so good. Also, if you are foreshortening or not getting a "true" cut of the LV your read is Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2going to be off. Make sure you eyeball the LV with multiple omniplane angles and also in both the trans-gastric and midesophageal views.ABNORMAL LV SYEbook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2
STOLIC FUNCTION______________Naturally, the first thing that comes to mind is ischemia...if this wasn’t your first thought you may want to retake yourCHAPTER Left Ventricular Systolic FunctionEric w. Nelson13For some reason there is a lot of focus on the left ventricle and its evaluation on TEE. bot Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2 that cause restrictive physiology such as amyloidosis cause global impairment.■Pericardial space—tamponade either from an effusion or blood. TEE is great at not only making this diagnosis, but also locating where the effusion is around the heart and whether it is loculated.■Pleural space—tension pn Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2eumothorax causes decreased venous return thus decreasing preload and ventricular function.■Metabolic—hypoxemia, hypoglycemia, anemia, hyperkalemia, aEbook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2
nd a vast array of other metabolic abnormalities.CARDIOMYOPATHIESHypertrophicThere are four different types of hypertrophic cardiomyopathies, althoughCHAPTER Left Ventricular Systolic FunctionEric w. Nelson13For some reason there is a lot of focus on the left ventricle and its evaluation on TEE. bot Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2OCM (pronounced hokum).HOCM is an inherited cardiomyopathy. It is autosomal dominant with limited penetrance, unless of course you are the patient then it is a very penetrating diagnosis!CHAPĨÍÍ13 Left Ventricular Systolic Function125With hypertrophic cardiomyopathies systolic function typically is Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2not the problem, rather the heart has a hard time relaxing, like that one attending we've all had with the vein in his forehead that seems to keep groEbook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2
wing and may pop at any minute!An important point about HOCM is the picture you see on TEE. Some people call this the "dagger sign”. When a continuousCHAPTER Left Ventricular Systolic FunctionEric w. Nelson13For some reason there is a lot of focus on the left ventricle and its evaluation on TEE. bot Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2 rounded appearance of someone without this problem. This is secondary to the ventricle being so empty at the end of systole and the septum being so huge an obstruction actually occurs.ASHOCMKeep in mind that patients with HOCM are also more prone to SAM or systolic anterior motion of the mitral val Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2ve. Since the outflow tract is already narrow, it’s easy for the anterior leaflet to get sucked in and impede flow.The definitive answer to relievingEbook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2
HOCM is surgical resection of the septum. TEE plays an important role here in order to determine preop if the surgery is necessary and postop if thereCHAPTER Left Ventricular Systolic FunctionEric w. Nelson13For some reason there is a lot of focus on the left ventricle and its evaluation on TEE. bot Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2patient may end up with a VSD. Also remember that there are conduction fibers running through the septum. It’s not uncommon to have a heart block after this type of surgery.Too LittleToo MuchJust Right Ebook Board stiff tee - Transesophageal echocardiography (2nd edition): Part 2CHAPTER Left Ventricular Systolic FunctionEric w. Nelson13For some reason there is a lot of focus on the left ventricle and its evaluation on TEE. botGọi ngay
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