Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a) In systemic circulation when pressure increases (old age hypertension) systolic, diastolic and mean pressure are not linearly related. b) In contrast, pressure increases linearly in pulmonary hypertension. Note also that the range in pressures and resistance are extremely large in pulmonary circulation (b) in comparison to systemic circulation (a). PP: pulse pressure.
