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What Causes Abnormal Heart Beat With Dizziness?

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Posted on Thu, 29 Sep 2016
Question: Hi!
Thanks for previous answers good doctor.
Have a simple question, maybe not so simple answer to it.

I experience rythm "disorder" when I get adrenalin. Examples are: If I drive a car normally, no problem. Then I put the gas down and drive VERY fast, and my heart beats irregular n series continuisly- this returns to normal rythm the SECOND I let go of the gaspedal. If I put the gaspedal down again and drive very fast again, it starts irregular beats immediately, and let go of the gas pedal, and starts to beat normal again. Same example if I drive a motorbike. Full throttle and irregular beats, let go of throttle, and normal beats. Also same with sometimes under orgasm, or if I get really scared, and/or if I stand in "weird" positions with body, as curved back so there is "less space" for internal organs. Lets say I am in a tug of war, pulling rope. When pulling, irregual beats, let go of rope, and back to normal. I cant really say I get dizzy from it, but havent lett it last long enough to really know what will happen if I let it beat irregular long enough. Thoughts?
doctor
Answered by Dr. Shehzad Topiwala (33 minutes later)
Brief Answer:
Hormone tests

Detailed Answer:
Sorry to learn about your bothersome symptoms.

It would be helpful to rule out a condition called Pheochromocytoma in addition to possible thyroid disease.
When I see someone like you in my practice, I typically order the following blood tests in addition to a detailed physical examination:

CBC (Complete Blood Count, also known as Hemogram; includes Hemoglobin, WBC and Platelet counts)
Electrolytes (Sodium and Potassium in particular)
HbA1c (Glycosylated Hemoglobin = your last 3 months' glucose average). Also known by other names such as GlycoHemoglobin or Glycated Hemoglobin or A1c
Liver function tests (SGOT , SGPT, Albumin, Bilirubin, Alkaline Phosphatase)
Kidney function tests (BUN, Creatinine)
TSH (checks your thyroid)
Plasma Free Metanephrines (after having been in lying down position for at least 30 minutes)
25 hydroxy Vitamin D levels (ideal range 40 to 60 ng/ml = 100 to 150 nmol/liter)

None of these tests require any fasting and can be done at any time of the day Correct diagnosis and treatment requires the opportunity to examine the patient so you must see an endocrinologist in-person.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Shehzad Topiwala (22 minutes later)
Hi, thanx!

I would like to say I have not got high bloodpressure as I read about the condition you mention- its is one of the symptoms. My bloodpressure is low.
Also, not just fast heartbeats, but IRREGULAR/not in rythm.
doctor
Answered by Dr. Shehzad Topiwala (14 hours later)
Brief Answer:
Follow up

Detailed Answer:
There is another condition called adrenal insufficiency that you should be evaluated for. It leads to low blood pressure.
An 8 am serum cortisol test is a good way to screen for this possibility.
This is a blood test. Fasting is not necessary
Note: For further queries related to coronary artery disease and prevention, click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
Answered by
Dr.
Dr. Shehzad Topiwala

Endocrinologist

Practicing since :2001

Answered : 1663 Questions

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What Causes Abnormal Heart Beat With Dizziness?

Brief Answer: Hormone tests Detailed Answer: Sorry to learn about your bothersome symptoms. It would be helpful to rule out a condition called Pheochromocytoma in addition to possible thyroid disease. When I see someone like you in my practice, I typically order the following blood tests in addition to a detailed physical examination: CBC (Complete Blood Count, also known as Hemogram; includes Hemoglobin, WBC and Platelet counts) Electrolytes (Sodium and Potassium in particular) HbA1c (Glycosylated Hemoglobin = your last 3 months' glucose average). Also known by other names such as GlycoHemoglobin or Glycated Hemoglobin or A1c Liver function tests (SGOT , SGPT, Albumin, Bilirubin, Alkaline Phosphatase) Kidney function tests (BUN, Creatinine) TSH (checks your thyroid) Plasma Free Metanephrines (after having been in lying down position for at least 30 minutes) 25 hydroxy Vitamin D levels (ideal range 40 to 60 ng/ml = 100 to 150 nmol/liter) None of these tests require any fasting and can be done at any time of the day Correct diagnosis and treatment requires the opportunity to examine the patient so you must see an endocrinologist in-person.