Uni Medical care on Instagram: "Intraosseous access (IO) is used in emergency situations when peripheral or central venous access is difficult or impossible to obtain, especially in critically ill patients who require rapid administration of medications, fluids, or blood collection. Some common cases include: Indications: 1. Cardiopulmonary arrest (CPA): When venous access cannot be established within 90 seconds, IO is a quick and effective route. 2. Hypovolemic or septic shock: In cases of seve