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Stress test negative for inducible ischemia. What does this mean? Achieving work level of 10.10 Mets

I'm not feeling very good, I can feel heartbeat increased, feeling tired and fatigued all the time, I was away from home for the past 20 days so had junk food and food cooked outside. I've been a smoker for a while now. I have been experiencing dark colored stools for the past few weeks. Whom Should i consult, and what could be the reason for this condition?

I have thyroid for over 5 years now. I used to take thyronorm 50mg. I did a thyroid test in feb 23. TSH: 9.12uLU/ml T3:1.28ng/ml T4: 11.37ug/dl. My doctor prescribed Euthyrox 75mcg. I did another thyroid test in June 23, my TSH was 0.218uLU/ml. Continued Euthyrox75mcg. I did another thyroid test in July 23, my TSH was 12.01uIU/ml. Still on Euthyrox 75mcg. How is my TSH varying from so much in a matter of 1 month?

I don't feel like eating . Sometimes , I'm hungry but most of the time I don't feel like eating. Due to this I'm becoming weak . This has been going on since 2-3 months. What should i do?

Sir, Sometimes...In childhood, and Sometimes now when I wake Up suddenly after sitting too much time , i feel Dizzy type and Black colour .Eye sometimes and .Now is Reduced...But... Sometimes Notice i don't have blurred vision but I think and.sometimes without reason I feel...Head is heavy and this happen with me But 1.5 years ago i sitting on chair and Studies suddenly head Hit cycle handle..and after all normal but when I lie down and Start moving head on pillow I feel pain type on left portion where I may be hit...Ok..sir any serious plz reply ?

Please doctors I woke up and saw this i dont know what is the problem I feel is an issue so please help me thanks in advance

Is it worth doing test after 36 days of exposure Of hiv ab ag I have booked it for tomorrow So please tell me

My heart rate is normal while at rest and its 30 beats more when standing and staying higher only what is the reason ???? Symptoms like dizziness , easily fatigue , confusion , brain fog , blur vision Please answer me why is it happening ?

Is changing of heart beat from laying to standing by 30 bpm normal Is this physiological?????????????????

I am a 28 yr old female. I was wondering if blood pressure of 106/74 normal or low? And what is the range for normal blood pressure?