Bolus

In pharmacology and clinical medicine, a bolus refers to a given rapidly to raise its concentration in the blood to an effective level.

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

: Once the food reaches the right consistency, your tongue pushes this bolus to the back of your throat to be swallowed. In pharmacology and clinical medicine, a bolus refers

: It travels down the esophagus and enters the stomach, where mechanical and chemical digestion continue. 💉 2. Medicine: The Bolus Dose

In basic human biology, a bolus is the mixed with saliva that you swallow. 🍽️ 1

: 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 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. 💉 2

The Type 2 Diabetes Guide to Bolus Insulin - BeyondType1.org