http://pennstatehershey.org/stroke Houston Texans' Coach Gary Kubiak collapsed on the sidelines of his team's game on Sunday after experiencing an apparent transient ischemic attack. Socalled TIAs are sometimes referred to as ministrokes. That term can seem to minimalize the condition, but TIAs can actually be signs of more serious problems to come: 30 percent of people who experience a TIA will go on to have a stroke if left untreated. In this video, Kathy Morrison, MSN, RN, CNRN, Stroke Program Manager at Penn State Hershey Neuroscience Institute, explains the basics about TIAs and why it is important to call 911 if you think you have experienced one.