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What is the cause of sudden fatigue, tiredness on the fall of heart rare in an anemic ?

i have a very low heart rate of 44 to 42 bpm.for last six months i am being treated for iron deficiency anemia . i have been working out regularly for last 3 years for 1 hour daily morn n eve, aerobics and step aerobics.off late when my heart rate drops below 45 i have sudden fatigue ,body seema tired whole day head remains heavy.
Asked On : Sat, 14 Apr 2012
Answers:  2 Views:  75
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Emergency Medicine Specialist 's  Response
DEAR KIRUSTAR,

HI I AM DR.KAVITHA..I WOULD LIKE TO HELP YOU.

CONSIDERING THAT YOU HAVE BEEN EXERCISING REGULARLY SINCE 3 YEARS IT IS QUITE NORMAL TO HAVE SUCH A LOW HEART RATE.THE HEART MUSCLES IN SPORTSMEN BECOME SO EFFICIENT THAT IT CAN PUMP ENOUGH BLOOD IN FEWER STROKES HENCE THE BRADYCARDIA(HEART RATE LESS THAN 60).

THE MOST PROBABLE CAUSE OF YOUR TIREDNESS,FATIGUE AND HEAVY HEADEDNESS WOULD BE ANEMIA.

SIX MONTHS PERIOD IS GENERALLY SUFFICIENT FOR CORRECTION OF ANEMIA IF YOU WERE COMPLIANT. YOU CAN CONFIRM THE REASON FOR YOUR ANEMIA STILL PERSISTING BY GETTING A PERIPHERAL BLOOD SMEAR FOR TYPE OF ANAEMIA AND ALSO GET AN ANEMIA PROFILE DONE(IF NOT DONE ALREADY).YOU MAY BE REQUIRING A FOLIC ACID OR VITAMIN B12 SUPPLEMENTATION AS WEL

IN ANEMIA BLOOD IS NOT CAPABLE OF CARRYING ENOUGH OXYGEN TO BRAIN AND OTHER PART OF BODY AND THAT MAY BE THE REASON FOR YOUR EASY FATIGABILITY AND TIREDNESS.

SO YOU WILL BE BACK IN GOOD SHAPE WHEN YOU GET RID OF YOUR ANEMIA.PLEASE MAKE SURE YOU UNDERSTAND WHY YOU BECAME ANEMIC IN THE FIRST PLACE SO THAT IT DOESNT HAPPEN AGAIN.SO KEEP EXERCISING AND EATING WELL.....BYE
Answered: Sat, 14 Apr 2012
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General & Family Physician Dr. Chandra Shekhar Sharma's  Response
Hello,
Welcome to HCM,
In Iron deficiency Anemia heart is required to pump more blood, to meet the oxygen requirement of tissues, & as a result heart rate is more, which is low in your case. You have not mentioned your blood pressure. Your pulse rate is regular or irregular ? Though there are many cardiac and non-cardiac reasons of slow heart rate (Bradycardia), you might be suffering with hypothyroidism or conduction defect (Heart block). You should consult a Physician for examination and investigations like Thyroid profile & E.C.G.
Wish you good health,
Answered: Sat, 14 Apr 2012
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