The provided video discusses the different types of chairi malformations and the anatomy associated with it along with other pathological conditions that can be seen with different types. Timeline: 0:00 - Overview of Chiari malformation and the anatomy associated with it 0:58 - Summary of types of Chiari malformations 1:18 - Type 1 Chiari malformation and its associations 1:37 - Type 2 (Arnold-Chiari) malformation and its associations 2:35 - Type 3 Chiari malformations