Flexible Endoscopic Evaluation of Swallowing with Sensory Testing (FEESST), or laryngopharyngeal sensory testing, is a technique used to directly examine motor and sensory functions of swallowing so that proper treatment can be given to patients with swallowing difficulties to decrease their risk of aspiration (food and liquids going into the lungs ...
AST stands for aspartate transaminase. It is an enzyme found in various cells, including liver cells, and elevated levels may indicate liver damage, but must be interpreted in the context of other liver tests, as it is not only found in liver cells, but other cell types as well.
When a doctor draws blood to complete an ALT and AST test, they typically look for indicators that something is malfunctioning within the body. Most doctors complete these two tests at the same time because they offer a better ratio for comparison.