Intracardiac injection

The practice began declining during the 1970s as more reliable delivery methods (i.e., intravenous, endotracheal, and intraosseous) came into use.

Around that time, studies revealed that intravenous injections were equally effective and were less prone to risks and complications.

In a pericardial hemorrhage, the external sac covering the heart -- called the pericardium -- fills with blood.

[4] In the movie The Rock, a character self-administers intracardiac atropine to counter the effects of VX nerve gas after exposure.

In the TV show, Fringe, Season 3, Episode 8, Entrada, Elizabeth is administered intracardiac adrenaline from agent Boyles to counter the effects of chemically-induced whole-body paralysis.