Ok so everyone is entitled to basic rights, but if you're a Trump voter my sympathy gets turned way the fuck down.
If I'm reading the article correctly, the guy suffers from high blood pressure and as such he should avoid excessive stress. He asked for medical treatment but when told that he would be under guard at the hospital and then returned to detention for questioning after he recovered he declined treatment.
I'm not a doctor but my understanding of high blood pressure as a chronic illness is that it's a long term game. High pressure on your arteries and heart over many years increases the risk of cardiovascular disease. It's less relevant as a short term problem.
To point out the obvious, this guy was very happy for Trump to be mean to everyone else, just didn't think he was included.