What is primary HTN?

Familial, genetics and environment, spectrum of disorders underlying pathphysio, established HTN peripheral resistance is increased, and CO is normal or decreased. Younger pt mild/labile HTN, CO may be increased and peripheral resistance normal. There is association between obesity and HTN direct correlation, 60% HTN pt are more than 20% overweight, adiposity attributes 65% of HTN, or insulin resistance Metabolic syndrome (insulin resistance, abdominal fat, HTN, dyslipidemia)