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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Severe Palpitations And Dizziness?

Hello, What might cause my heart to beat more through my chest ? for about 15 mins both today and yesterday? I arose from sitting for 35 mins and became extremely lightheaded and felt a bit short of breath. I do a daily fast walk on treadmill (no shortness of breath recently from that). I am 6 tall, 200 lbs, 63 yrs old, active skier. ****However...I take Neurontin as an anti-siesure med from my Lyme Encephalitis 15 yrs ago, I have severe hypoperfusion in my brain - basal ganglia- from Nuclear SPECT scans. Feel very healthy otherwise but today was a surprise w/my heart neating so hard and feeling extremely lightheaded. Many thanks for your guidance, Gary (Denver, CO)
Mon, 18 Dec 2017
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Anesthesiologist,  's  Response
hi sir,really you are great to be able to perform such strenous activities at that age.the symptoms you had experienced suggest a drastic fall in blood pressure.as they appeared after rising from prolonged sitting,it may be postural hypotension.the causes are:
1)autonomic neuropathy due to old age,diabetes mellitus
2)severe dehydration due to severe diarrhoea,prolonged and strenous exercise with profuse sweating.
3)heart disease like valvular defects,congestive heart failure.
4)parkinson's disease and also some drugs like anti hypertensives like calcium channel blockers,diuretics can cause this.
you need to undergo the following investigations to get a specific diagnosis:
blood pressure monitoring
ECG
blood sugar(fasting and post prandial)
also you are to be examined for any varicose veins in lower extremities which increase the risk of deep vein thrombosis and embolism.
as you have some risk factors like age,seizure history,a thorough examination by a general physician or a cardiologist in order to rule out major causes like heart is necessary.hope you understand my suggestion.any further queries are welcome with pleasure.i pray god to retain your present physical fitness and make you stronger.thank you.take care.bye.
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What Causes Severe Palpitations And Dizziness?

hi sir,really you are great to be able to perform such strenous activities at that age.the symptoms you had experienced suggest a drastic fall in blood pressure.as they appeared after rising from prolonged sitting,it may be postural hypotension.the causes are: 1)autonomic neuropathy due to old age,diabetes mellitus 2)severe dehydration due to severe diarrhoea,prolonged and strenous exercise with profuse sweating. 3)heart disease like valvular defects,congestive heart failure. 4)parkinson s disease and also some drugs like anti hypertensives like calcium channel blockers,diuretics can cause this. you need to undergo the following investigations to get a specific diagnosis: blood pressure monitoring ECG blood sugar(fasting and post prandial) also you are to be examined for any varicose veins in lower extremities which increase the risk of deep vein thrombosis and embolism. as you have some risk factors like age,seizure history,a thorough examination by a general physician or a cardiologist in order to rule out major causes like heart is necessary.hope you understand my suggestion.any further queries are welcome with pleasure.i pray god to retain your present physical fitness and make you stronger.thank you.take care.bye.