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  Friday, 22 February 2013
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Hello all ! My name is Matis and im 20 years old guy from Estonia. Firstly i'll mention that i go to gym and i work out like 4 days a week or i used to. Since December, i started to feel that something was wrong. My pulse went off, i did some warming up at the beginning of my training and my pulse instantly hit 180 within 2-3 minutes, it recovered fairly fast. It didn't matter whether i was lifting the weights or doing some cardio. Pulse just went to 180.. was very confused and decided to go see doc. He did the tests and decided first to go see heart doctor, did so, did some tests(echo,ekg,fitness test etc.). Results were pretty okay for my age, but blood pressure(especially sys.)recovered for a long time and so did the pulse. Every other test was okay, so i tryed changing my lifestyle a bit, sleeping more, eating regularly and more vegetables/fruits etc... Results went even better, but still had that pulse/blood pressure problem. Currently if i move and give my body a little pressure, my heart rate instantly goes up very fast, it doesn't reach 180 in a matter of time now, but still it goes significantly faster whenever i try to pressure my body. Forgot to add that i used to take some creatine/protein while working out. Now back to the real point, my eGFR is is 64.77 ml/min and creatinine 115 mkmmol/L. I have been told to go see urologist, but it takes time, lines are too long. Might add that my body mass index is like 28-29~, im 181 tall and 93-95kgs. I am a bit overweight i guess, but i think people view me as muscular, i have my upper and lower body pretty ripped and muscular, but having problems with my stomach, so i think im a lifter, who doesn't like cardio very much. Thank you very much in advance! All the best, Matis!
11 years ago

By any chance are you of African (black) descent? High muscle mass and/or black race causes a higher creatinine for a given level of kidney function. Further,ore, using the eGFR in patients with true GFR greater than 60 ml/min is inaccurate. Your eGFR may simply be reading low for these reasons (likely related to high muscle mass in your case). To settle this issue, you could do a nuclear medicine GFR (most accurate) or else a 24 hour urine for creatinine clearance (less accurate but more-so than eGFR in your case) to settle this issue. It would also be important to ensure that your creatinine is not changing over time, that your blood pressure is normal and that you do not have elevated urinary protein. Assuming there is no issue with these parameters, I believe you have no cause for alarm.

Dr. Jordan Weinstein
11 years ago
Hello !

No i am not African descent. I believe high muscle mass might be the case. About the creatinine level, i have done 2 tests so far, span of approx. 2 months and the creatinine level has stayed the same(115). I think i expressed my condition a bit wrong. I forgot to add that almost every movement takes my pulse up to the sky. I mean, it doesn't reach 180 anymore.. when it did then i just felt how my heart was beating out of my body, i had a feeling that heart wants to pop out of my body. The interesting fact that bothers me the most is that stairs or any kind of regular pressure to my body, takes my pulse up to 120-140, that makes me feel very concerned. For example, if i take a stairs of like 30 steps with a bit faster walk than normal, then after the action, i feel that my pulse has increased significantly, also my beats have gone much stronger, so if i place my hand on my heart or nearby, then i can actually feel very strong beats and it is no problem for me to read the pulse after some movement by placing my hand near heart.
I haven't done any nuclear medicine GFR either 24 hour urine yet, but i hope i' ll get to it when i finally manage to see my nephrologist.
If you need any more information about my current situation, then please ask.

Thanks in advance!
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