: After a heart event, doctors can use these 18 segments as a checklist to see which areas are healing and which Beyond Cardiology: Other "RAR" Connections
Earlier models often used 16 or 17 segments, but the 18-segment model provides a more detailed breakdown of the heart's geometry. This precision is vital for: LV 18 rar
: In biology, Retinoic Acid Receptors (RARs) act like "switches" in your cells. They help control everything from how your lungs grow to how your body fights certain types of cancer. : After a heart event, doctors can use