Optimal < 120/80 High Normal 130-139/85-89 Stage 1 140-159/90-99 Stage 2 160-179/100-109 Stage 3 > 180/110 ISH(isolated systolic hypertension) > 140(SBP)/<90(DBP) IDH(isolated Diatolic hypertension) < 140(SBP)/>90(DBP) Combined systolic and Diastolic hypertension >140/90 Mean PP: Difference between mean SBP and Mean DBP MAP : 1/3 DBP + 2/3 DBP