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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Occasional Dizziness,rapid Heart Rate And Migraines?

For two years now I have had occasional faint dizzy feelings and none of the doctors seen can tell me why. I just recently began having rapid racing heart upon waking - usually around 4 am. I have noticed if I sleep propped up it doesn't race as fast when I wake up, but I do feel an increase. I have hormonal migranes, some mornings I have a spark in my eye that mirrors my heart beat. I have a watch that measures pulse and it is around 150 bts per minute when this happens. What type doctor should I see this time?
Wed, 31 May 2017
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Cardiologist,  's  Response
Hi,
This is Dr Sameer, cardiologist.
Increased heart rate & palpitations can have a lot of causes.
It can be normal sinus tachycardia due to anxiety or stress or it could be abnormal supra ventricular tachycardia.
Anxiety because of headache could be a cause in your case.
But For the diagnosis, you need to do ECG at the time of palpitation & tachycardia. If the duration of palpitations are short enough to reach a nearby hospital, we put a 24hr ECG monitoring (Holter Monitor). You also need to do a 2D Echo & thyroid function test to see for any associated abnormality if any.
Thanks
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What Causes Occasional Dizziness,rapid Heart Rate And Migraines?

Hi, This is Dr Sameer, cardiologist. Increased heart rate & palpitations can have a lot of causes. It can be normal sinus tachycardia due to anxiety or stress or it could be abnormal supra ventricular tachycardia. Anxiety because of headache could be a cause in your case. But For the diagnosis, you need to do ECG at the time of palpitation & tachycardia. If the duration of palpitations are short enough to reach a nearby hospital, we put a 24hr ECG monitoring (Holter Monitor). You also need to do a 2D Echo & thyroid function test to see for any associated abnormality if any. Thanks