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Experience:  Neurology Residency completed 2006, Board Certified Neurologist
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Sometimes i feel like im going to faint and my heart starts

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Sometimes i feel like i'm going to faint and my heart starts racing at an abnormal speed. There are points when i feel very hot and i become cold all of a sudden. I get dizzy very easily, even when i'm sleeping and i try to turn sides.
Submitted: 5 years ago.
Category: Health
Expert:  NeuroDoc1 replied 5 years ago.

Hello,

 

Are you on the iron capsules because you have anemia?

 

Do you have any other medical conditions?

 

Have you ever fainted?

 

Thanks.

 

Customer: replied 5 years ago.
yeah i'm on iron capsules because i was told that i had low iron. On a health screen that i took for my work i was told i had high cholestoral. Nope i haven't fainted...yet.
Expert:  NeuroDoc1 replied 5 years ago.

Hello,

 

Your low iron level probably means that you have anemia, or a drop in the red blood cell count. The red blood cells are important for carrying oxygen to all the cells in your body, including your heart. When your heart senses a drop in oxygen, it tends to beat faster and harder to help pump the blood to itself and to the other tissues in the body to keep the oxygen supply up. This may be the cause for your dizziness and sensation of the heart racing.

 

It is also possible that you are having a temporary abnormal heart rhythm known as an arrhythmia. Instead of the regular, steady heartbeat you should have, people with arrhythmia have an irregular heartbeat that can often be sensed as a racing heart, skipping beats, or pounding (palpitations) in the chest. Sometimes activity can bring on arrhythmias, but in some cases they also occur at rest as yours seem to do. During the time when the heartbeat is irregular, the heart may not pump enough blood to the brain and this can make you feel lightheaded.

 

It would be a good idea to have your blood count rechecked to see how severe your anemia is and also whether the iron is doing its job to correct your low iron level. Checking your electrolytes would also be a good idea since if they are out of balance this can cause an arrythmia.

An EKG test or perhaps a holter monitor (a heart monitor you weart at home for 24-48 hours to check for arrhythmia) would also be reasonable.

 

If you feel your symptoms are getting worse or you do faint, call your doctor right away.

 

Best wishes.

NeuroDoc1, Doctor
Category: Health
Satisfied Customers: 211
Experience: Neurology Residency completed 2006, Board Certified Neurologist
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