 It is very common in cardiology. It's very common in sick patients. It's very common in older patients. And as an internal medicine doctor, you should be experienced to say that's athip. So recognizing it, seeing it on EKG, and then kind of knowing what your algorithm is gonna be of the first few medications you'll try. If the patient's stable, if they're not stable, then you're taught this throughout med school. You're taught this throughout residency.