medico on Instagram: "Arterial catheterization is a medical procedure to insert a thin tube (catheter) into an artery (like the radial or femoral) for precise, continuous blood pressure monitoring, frequent blood gas analysis (oxygen/CO2 levels), and easier blood draws in critically ill patients, often in ICUs or operating rooms, providing real-time data for critical care management. This "art line" allows for highly accurate hemodynamic assessment, especially vital during surgery or respiratory