View New Customer Application. Produced by Vibrio cholerae, cholera toxin (CT) is a multimeric enterotoxin that transfers ADP-ribose to a G protein, locking adenylate cyclase in an 'on' position.
An echocardiogram (echo=sound + card=heart + gram=drawing) is an ultrasound test that can evaluate the structures of the heart, as well as the direction of blood flow within it. Technicians specially trained in echocardiography produce the images and videos, often using a special probe or transducer that is placed in various places on the chest wall, to view the heart from different directions.
Echocardiogram and high blood pressure. An echocardiogram is a scan which gives a detailed view of the structures of your heart, and which can show how well your heart is working. The scan uses a probe that sends out sound waves, which are reflected back by the muscles and tissues in your heart.