How would ecchymoses be described in terms of size compared to petechiae?

Ecchymoses are characterized by their larger size compared to petechiae. While petechiae are small, pinpoint hemorrhages that appear as tiny red or purple spots on the skin, typically measuring less than 3 millimeters in diameter, ecchymoses are larger and can vary in size, usually greater than 5 millimeters or even much larger. They result from bleeding underneath the skin due to trauma or other underlying conditions and appear as bruises. The distinction in size is significant in clinical assessments; recognizing the dimensions of these lesions can assist in diagnosing various medical conditions and assessing the extent of bleeding disorders or trauma.