The call was a strange one and I will never forget it. I was seeing patients and was interrupted by my nurse. “The ER wants to talk with you, it’s an emergency.” I excused myself from the exam room, took the call. I heard the ER doc, who I knew, start mumbling about Dr. Dantzler and “coding.” I was confused, and said he was off today, so how can I help? He repeated himself and then I felt weak and had to sit down. He was telling me that my friend Dr. Dantzler was the one who was coding—having a cardiac arrest, a major heart attack. Dr. Greg Dantzler, 49 years old, died that day. He was a well-loved, respected, religious man, who always seemed to be in good health. Now, he was dead from a silent killer: hypertension. That was more than 20 years ago. I miss him every …