This study is testing a new tool called the **SENSE device**. It looks for **intracranial hemorrhage (ICH)**, which is bleeding inside the brain. A **head CT scan**, or special x-ray, is the usual way to find this bleeding. We want to see if the SENSE device works as well as the CT scan. First, we already gathered information to make a plan for finding ICH. Now, in the second stage, we will check the plan with 300 new patients. We need 120 people with ICH and 120 without it. Doctors and specialists will not know the SENSE device's results, so they can't be influenced. Eligibility includes patients aged 22 and older who had a CT scan in a mobile stroke unit, emergency room, or hospital. Those with certain medical conditions or metal in their head, or who are pregnant or breastfeeding, can't join. This study aims to make finding brain bleeds easier and faster.

• Study involves up to two stages with around 300 subjects.
• Participants need a recent head CT scan.
• Doctors will not see the SENSE device findings.