A member asked:

Pls can you advice me , what is the barometric pressure and what causes it to change?

2 doctors weighed in across 2 answers
Dr. James Burns answered

Specializes in Emergency Medicine

It is the "weight" of our atmosphere at the elevation it is measured and is affected by temperature, which causes wind, which further changes pressure and temperature which cylces around again. It is in continuous flux.

Answered May 31, 2016

4.7k views

Thank
Dr. Donald Kress answered

Specializes in Plastic Surgery

The weight of the air is the barometric pressure it varies with elevation and weather.

Answered Sep 24, 2017

4.7k views

Thank

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