: A healthcare provider injects a medication or fluid rapidly directly into a vein. This is common in emergencies (like pushing medication during cardiac arrest) or when a patient is severely dehydrated and needs a quick "fluid bolus" to raise blood pressure.
: People managing diabetes take a mealtime "bolus" of fast-acting insulin. This dose is specifically calculated to counteract the spike in blood sugar caused by eating carbohydrates. It stands in contrast to basal insulin, which is a slow-acting background dose. : A healthcare provider injects a medication or
Because the term is used across several different areas of medicine and biology, its exact meaning depends entirely on the context. The three primary definitions of a bolus include digestion, medication delivery, and tube feeding. 🍽️ 1. Digestion: The Food Bolus This dose is specifically calculated to counteract the
: Your teeth and tongue break down food, while saliva softens it. The three primary definitions of a bolus include
In basic human biology, a bolus is the mixed with saliva that you swallow.