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A member asked:
My heart rate goes up after meals from my normal 60's-70's to the 90's. worrisome? i have mixed connective tissue disease and mild gastroparesis.
A doctor has provided 1 answer
Normal reflex not: This is a normal reflex NOT related to MCTD. After you eat, a large portion of blood flow is diverted to the stomach & intestines for digestion; it's as if you lose circulating blood volume. To maintain cardiac output to the brain, with less volume, the heart speeds up (volume x heart rate is the output. Decr of one means incr the other). This is the gastrocardiac reflex, & is entirely normal
Answered 1/30/2015
3.3k views
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