Zero wait time

So the key to going to the ER is to have chest pressure or pain. There is no waiting. Straight to the back and hooked up to a million machines. Because the nurses and doctors seemed so concern I was getting a bit freaked out. But then they operate with the idea that you are having a heart attack until proven otherwise. The nurse said my right lung capacity was diminished, my heart had a very irregular heartbeat and with a chest x-ray was enlarged. All very, very concerning they said until I mentioned that was my normal apparently according to the last time I had all of this done. Except for the lung thing that was weird. They gave me oxygen which made me feel better but never figured out why that was the case. They took lots of blood and said most likely then it was an electrolyte imbalance from the hot and sweaty race I did yesterday. When that came back they would pump me full of electrolytes and I would be all better. Except that my electrolytes were fine but my heart seemed to...