OV7, formerly known as La Onda Vaselina, is a Latin pop group from Mexico formed in 1989, but it was not until the early 1990s that OV7 would begin to make their mark.n 1998 Onda Vaselina made a huge comeback with a strong album that made history in the Mexican charts Entrega Total. The album sent the group back to the # 1 spot not only in Mexico but the rest of Latin America, The disturbedtake the hits were Mirame A Los Ojos.
Digital subtraction angiography. Digital subtraction angiography (DSA) is a type of fluoroscopy technique used in interventional radiology to clearly visualize blood vessels in a bony or dense soft tissue environment.
PCA: Commonly used abbreviation for patient-controlled analgesia. Analgesia simply means relief of pain. PCA is a method by which the patient controls the amount of pain medicine they receive. There are a number of different PCA systems. In the classic PCA system, the patient receives a preset dose of morphine by pressing a button on a computerized pump that is connected to an IV catheter. With PCA the patient may receive a small continuous flow of morphine and add more morphine as needed to provide a more constant level of comfort.