The article discusses the fear surrounding injections and the common practice of expelling air bubbles from syringes before administering an injection. It explains that many people are apprehensive about injections, particularly when doctors remove a drop of medicine, fearing it signals the potential for air to enter the bloodstream. This fear is deeply rooted in the misconception that even a small air bubble can lead to immediate death from an air embolism.

According to medical sources like Healthline, air embolism occurs when air bubbles enter the bloodstream, which can be dangerous, especially if the bubbles obstruct the circulation of blood to vital organs such as the heart, lungs, or brain. The injection technique of expelling air bubbles is essential to ensure that only the intended medicine is injected without any air, as air in the bloodstream can hinder the flow of oxygen to organs, potentially leading to serious health issues.

The article aims to clarify these myths surrounding air embolism and injections while providing reassurance about the safety measures taken by medical professionals. It highlights that the expelling of air bubbles is a precautionary measure and not an indicator of impending danger, helping to alleviate the fears many people have regarding injections and air bubbles.