I had an accident last week. Actually I had three. I’ve been dealing with a persistent cough since September. The other night I came home and before I could get to the front door, started coughing and could not stop. Next thing I know, I’m on my back, watching the front porch light come into view. How did I get here, flat on the ground? Am I bleeding? Did I hit my head? Turns out I started a spasmodic cough that exhausted my oxygen (I already battle asthma) and I passed out, scraping my arm on the brick wall as I went down. No, I didn’t hit my head as I collapsed down onto my knees then drifted over backwards, my legs folded underneath me. I was unconscious about 30 seconds. I recovered but was not feeling well for a while. The next night it happened again. I got out of the car, approached the door and started coughing and blacked out, but only for a few seconds. I did not collapse but was unconscious for a few seconds. The next day, it happened again, on my day off. ...