A 17-year-old female asked:
when i go from sitting or laying down to standing up my hr goes from 88 to 131 and i feel really dizzy this is affecting my life why is this happening?
2 doctor answers
Dr. Dariush Saghafi answered
32 years experience Neurology
That is excessive: You may have postural orthostatic tachycardic syndrome. There's a loss of heartrate control which normally increases when we go from lying to standing. However, generally, it shouldn't be more than 10-15 beats per minute which usually adjusts a bit more as activity & blood pressure stabilize. As a neurologist I see this a lot. If you'd like more information write me at: www.healthtap.com/drsaghafi
Answered on Apr 1, 2015
Dr. Milton Alvis, jr answered
40 years experience Preventive Medicine
C/w ↓ed blood volume: due to dehydration, possibly anemia. HR routinely ↑es on standing due slowed blood return from veins below heart (gravity) which promptly lowers heart stroke volume resulting in brain promptly ↑ing heart rate to partly compensate/maintain heart output. Typical rate ↑ <10 BPM with normal blood volume, ↑ ed with reduced blood volume, more so if also anemic from blood loss (eg. hidden in intestines.)
Answered on Mar 30, 2015
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