my son, who is a very active rower in a University top rowing boat complains that he lately feels exhausted after their daily training sessions and noticed that sometimes dark brown spots will appear above ... View answer

exertion or is it something I should be worried about? Once it went back down it went away. I didn't know ... View answer

pulse oximeter and check it and it goes down to 92 after mild exertion (stairs). At rest it is 98%. ...What causes oxygen saturation to decrease on exertion? I had a PE about 2 years ago and I am on ... View answer

[I have indentations under both knees. Does not hurt. Just started doing lunges, squats and bike riding. I carry most of my weight in my lower body. Is this anything to worry about?] View answer

liters o2 at rest and 5liters on exertion? What causes it to drop after exertion? ...My father in law has been diagnosed with pulmonary fibrosis . He is undergoing home health physical ... View answer

my husband suffers from severe fatigue after any physical excertion to the extent that after 2 ... vary in colour from pale to dark. this has been going on for about 18 months ... View answer

My son was in a competition. 400mts running he finished pale and yellow skin, vomiting, and with ... the hospital and he was dehydrated, white cells 12,000 and they told me this was exertion. How can we ... View answer

[Hi, I m a sports lover. I like playing soccer and running. I even participated in Half Marathon for a few occasions. The question here is, sometimes i do feel my heart beats fast in all of sudden and all i can do is to... View answer

[Hi, I was playing basketball for about an hour and twenty minutes. Everything was fine until finished and got into my car. When I sat down my heart started beating really fast and I thought I was having a heart attack.... View answer

type of weakness for the past three weeks but never this bad. I recovered after 20 minutes. ... View answer