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Vertebrobasilar insufficiency (VBI) describes a temporary set of symptoms due to decreased blood flow in the posterior circulation of the brain. The posterior circulation supplies the medulla , pons , midbrain , cerebellum and (in 70-80% of people) supplies the posterior cerebellar artery to the thalamus and occipital cortex . [ 1 ]
The Vertebral Artery Test or Wallenberg Test is a physical exam for vertebral artery insufficiency. Commonly, the VA test involves cervical spine motion to an end-range position of rotation, extension or a combination of both. At this point, the physician assesses for vertebrobasilar insufficiency (VBI) symptoms.
A transthoracic echocardiogram (TTE) is the most common type of echocardiogram, which is a still or moving image of the internal parts of the heart using ultrasound.In this case, the probe (or ultrasonic transducer) is placed on the chest or abdomen of the subject to get various views of the heart.
A beating heart awaiting transplant. American medical researcher Simon Flexner was one of the first people to mention the possibility of heart transplantation. In 1907, he wrote the paper "Tendencies in Pathology," in which he said that it would be possible one day by surgery to replace diseased human organs – including arteries, stomach, kidneys and heart.
In 1984, he performed the world’s first successful paediatric heart transplant. [30] 1994–1995: John Wallwork: Wallwork performed the world's first heart-lung and liver transplant with Sir Roy Calne in 1986. [31] 1995–1996: Sharon Hunt: Pioneered work on post-operative care of heart transplant patients. [32] 1996–1997: William Baumgartner
VBI Vaccines Inc. and Variation Biotechnologies, related manufacturers of vaccines; Vertebrobasilar insufficiency, a temporary set of symptoms due to decreased blood flow (ischemia) in the posterior circulation of the brain; Vertical blank interrupt, a hardware feature found in some computer systems that generate a video display
The Journal of Heart and Lung Transplantation is a monthly peer-reviewed medical journal covering heart and lung transplantation. It was established in 1981 as Heart Transplantation, and was renamed to the Journal of Heart Transplantation in 1984. It obtained its current name in 1991.
The National Heart, Lung, and Blood Institute (NHLBI) is the third largest Institute of the National Institutes of Health, located in Bethesda, Maryland, United States.It is tasked with allocating about $3.6 billion in FY 2020 [1] in tax revenue to advancing the understanding of the following issues: development and progression of disease, diagnosis of disease, treatment of disease, disease ...