At some point you may get this call: your older loved one is in the hospital and doctors are monitoring the situation to determine what’s going on. With luck, nothing dangerous or life-threatening will be found and perhaps your loved one will leave the hospital after a day or two. But that’s when the real danger may begin: If your older relative was under “observation” care at the hospital, chances are Medicare won’t pay for all the actual hospital costs, and out of pocket and co-pay expenses may skyrocket as a result.  What is “observation” care and how do you know when an older patient’s care falls in that category? Find out from Kaiser Health News Here.